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J lU ltgt1gtI 1-- r = b gth -=-1(-l) J D 1-- r = a gt ~bullbullJ- -poaltTb ~ ~~I foSJ) ~)~ ul~ ~I ~)J JtuJ )IJAJ~

JYJ u~ )~ (f 45~J ~4Jy1 4 ~1 ~J r- r~ ~~ c~csshy~ uS~ rIJ~ J~l JliJ ~~f Jl4amp1 foSlJJ D t$Js- 4J1e u~ ~I)

u~u-~ jl ~ ~JJ~

~tili (4SfdUi) ~1~_ifA~ JC r_ ~

~A I ltgt14i ~5J IgtIltgt-gt ~5J 11-10 rltlJMult ltgt lAJ 10gtbull x~ bull1TJM gt f ~l I u jU J gt L ltgt1gt ji I uI u Ifu

~ ~j IfJ IfP iJli ~JAJf ~I)($J if i~ LtJ )J ~ )JA

igtIY 4f ~s ~ ~ ~amp ~ ~gt)~ ~ 4 ($J rt~csA ~bull)) ~

~D-pv shy(Y- v)

~~~ ~~ IJ dW ~gt~ ~J~r gtL J 6t~ ~IJ 4lJL ~I ~J~~wJ ~ltsfJM ltsrJ~ ($Ift (1JJ ~IJ ~r ~I ~gt~ tJ~ p ~~ 4b J)

t JJ~~ ~~ ~I~u- IJlAJ~ t~middot c)-J ci~ ~~ ~ ~ ~1

1MJ Q J J ~ )u )C ~ lts~I1 lts~ lts~ ( r) lIp C ~

~ ~ ~j ~J~~ laquoJji~-IJ (Xo Yo Zo)t

(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=

- x = x 8x-xJ= -Ishy 0 bull X -r- X (Y-l )

~fiJIJ~ JI~ ~JJJ~ftJjcr-~ ~~I~f~)ljT($UiJ) _ J~ lts1middotfJJ )~r~SJfJ~~J~~t ~JI~IJ tJl~ 0 Ji1U4

~ -L IJ all t ~~

~

Of tlta =+- P=VmiddotD=e - -a (y p _ r ) = Vrp0

bull r T (Jr eoa a0 0

Eo rgta p=- -a ( r C p a) -0

rC ar 0 E rlf( shyo

olr Yrp Y1T p (a)Q= f pdv f (f1Tr()dr= 0_0

0 a a

~ ~)Ij ~JJ~ )J I) r =a e1~ ~~ )~ cJ)JSI~ lSl~ s))~~

))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P

I) u=ili l~Ii J (~lJ UT 1 ($)b~~ ~s ~JSJI cJl~ ~ cJsli

u~)~ ~)t~ ul~ ~~I cJl~ cent ~IJ) J~JSJ1 ~Il-- ~bo($l~

41- J~ 1 1_s j)1) )tgtJr ($)I)r cSlA~~ OJIrJII 4f~~) ~)c)lA J

~~)) JI ~ Igt is S~ I )Ycs- Js u J- 4 ~1JJ ~ b cJJ tA

~T iSJ~ jlJJ1 J ~~ ~gt4 jl ti J~~ )tc1 ~)4 I$ri5~~ I) ($~~

~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)

rsu ~~ ~SJI ($jl tr~ ~ U ~~I ~)JT

~J5J 1 ~Ila ~)) ($Iuui )~4 cJ~b d ~ ~~ joy ($iJ1

ltS~JI cJl~)) q ~LjT l- rS1 ~5JJ cJl~~u ~jU J~

~-) ~T ~Ir- ) cs- ))IJcJT r- F=qmiddotE r-l~ ~JA )$Jl~ E jl ~tgt lS~ ~Jb- J r1~ ufJ~ ~~~)r-gt o~ cJJ~ U q 4 riJy~

lS ~dk_~ ou r~1 )tgt )tgt ~N ~ J F =-qE u=~ ~I (i cJl~

4 e-Ifllfi dIJ)~ l---~J))~ cJ)l) dr- lts1~ ~)b

I~ C -A 4 ~J E ~Il~)) q ~tjT J~ d J-~ j~ tgtulS)~ J

~ 1

w=- fqEodl (r-)

4sJf ~~ J~ r- v q == ~ ~ 1 bullu~~Ii q ~LjTJ~~~ 4$~~~~ IJ~ c)~1 IJ -tW 4~ i-lA ~t jl ~IJ)~ ~I JI dJ ($IJ rj~ ($-1 1 )Iu w~

~u ~lJ V ~ iscs- ~~ wzA j~ ~ u~31 J-il w~l

VIB==V-VB== -JEdl (Y-Yr)

d gt ~ rj~ ($-1

)Ii jU) ~~ 1~~ ~~( $r-- ~~ T)~ ~~ 1J-~ lgtI ~ bullu~csA J~) 44j~ 4imiddot~dl 1gt1 tS4LAi ~4 ~)b

~I (JJjeYfi) ~~I ~l ~ f I) tS 41U 4 f 1 jJ4AA ~~4 j~r Jtl- )

lgtmiddot1 tS41aimiddot 4) ~~J~I-t ~~uwmiddot~T~~ IJjli~) ~~

(~ y L)IJ I JtJr J~IaA ~ S-uILJ u ~ TJo-II s-rshy~Lwl ~J~ ~ )15 ~lgtwmiddot1 (J~ ~tilts) )J) JI~ ~(j J~ 44 ~ J-u-~-oJ I l1A Jo-I1 J r1J ~ I lyJJ 1-1 t J

bull a _C middotIL I ~ l I f Iii LlJ wL t l lt=(( bull Jil)rY~cr- bull v- ~~rv-y ~ _ bullJ1t

tSlth4i~ 4 jl Jb ~~ ~11- Y_o JIia ~-IJIJ (ljTtS l4i J) lts1ltlbA J~ 4jl Jo6 s~1 lo 11

bull4J

dR=tJlcos

bullbullmiddot=4 cosl

Jrr - _ _ f 4 ~R -flre- II

1(middotmiddotmiddotmiddot )y- - - - _~ It

f4A ~y lt4 ~~~ JJIWgtiWJllMll_bull rt_

u-VJM~middotUIbull 4it

I

~~J J Jy J qJ RB J R ~ ~ sbAiJJ ~ J-il w~1 _y

~IJJmiddot U~ ~~~ u~1 ~~ I Ir JTj I r d IiJ A UaAJ q ltS 14U ~~ clb ~~ LrIr~

qV c =----==----shy

Y11E rlt IR - RII (t-T~)

~ 4 bu) ~i~ qN J bullbullbull q J q ltslA~ ~ 4bA4 N ~ljitSLa) I jl R ~J ~ tS1bAi J ~~ c4 ~b IJi R J bullbullbull J R J R J RB r t

~ ~I 1 ~~ il-e

(r-re)

u~~ c~ ~~ ~~jl ~I ~J~~ Jly~ lA~ jl4rl Jl

~Tu-- ~J~ flj u J1s~4Imiddot ~ I ~~ )a) P

p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)

V=f PL(R)dL Ll Y11E~ IIi- R I (T-TA)

ott ~ JtJI Jr-ilc ampttl)-t1 it tA1)1~ ~ A~)LI 1tIJJ ~I ~ ~ -

J4t ~ lJJ~~lU

J~~ tSl~ ~rJ1J~ u1jT(j LJJ) (IJf ~lf1JJ y Jt J~ ~~ I~J) J-i~ Jf) )Iri Q tt l - ~tJ- jl P= P(ra)

)Ushy

Y=jmiddotW1 Jj1~lli (Ull _ Jr-i1~ ~Ijl~-l ~ (~

~_~-

rgta fnmiddotds=f pdv

(~

D =por l

t fa

v -fEdl= -fmiddot Edr-fO Edr =poalx~ a

00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull

~~~jiSJfuf~u~~l~f ~lgt f-A jl ~~~5JI ~1~ JJ 4bA sraquo ~~~ ~~I sfb ~Li J~ ~JJ

~ s~J ~bi~ tft fE middotdl JI~1 ~ lJIIr--~sIuA J~ 4

(l o)L1 ~ W JJzilA) IJ tS I~ d- SlA)~ ~-~ J~-s- ampi u J1u ~

J-i~ ~gtI 4$~~~ ~~ 1iJ ciJ JiziJ~ tSl~tS lAJ~jl ($I~ ~~Iu

tSlJ ~~~ ~I jl JIX ~~ ~~ ~J~ tlU~ ~ ~SJl

r--r1 s~J ~ltEd1 JI~I lt5u ci bullu~ s1gt ~l

4 lt5 j Sl ~~ I 1Jj lj ~rSlJA 4)I s-e-I W I j~ uI lti ~~ ~middotbJ ~ t-r- 4bAmiddot~ Jels J- ~ l ~- jl V s ~~ cSr-~ r-shy1 1Jr- ~ w- JCo J r lt$31 1$ ci ~ J lJj I oS31

1

bullJ~f (~I-rS) LSi~f tgtlA~IA IJ

JJlsectl- ~rgtJf ~I~ JJYJ)bAt ~pb U 41$~b ~Y ~~ ~~ ) C~I l~ ~ J ~~ ~ fJ U1u~ ~ tj ~~ ~I~JS I - ~ I

J ~J I il bullu~ w TJ li rL J- I s-e-I J JJl ~ ~ )~ u--i ~II--o jl ~jr-il~ rA) d ~ eh ampHI fS-J JJ ~J I

-r-- ehr ~fiJ ~I~ ~JJ- EJdlsS~I VJIgtU 4-jY J Edl= 0

bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~

JEmiddotdl =1 (VXmiddotE)ds= 0

VXEmiddotAs=o

1iJJ VXE=o

-ul~~ u)L ~J 1ltslA~l~ ltsJ~ J-)L etY)l-jl ~) ~ 4bl- laquojl

~JbJ JJ-Ji ~ tSlb sectL ~~I iJ1~ et-u 4-5c)~ ~(j u)~ u

iJ1~ y~ amp 4$))pu ~~ T)l~a v D =p Aj)1-p7 )iJ) ~ ~ ~

u~u-- ul- ~~IJ~ ~ - ~ JL u~pJ1 AJ) tSJbfi Jf71 ~t~) JJI Jai ltSJbfi~lT ~J) f) ~jl ~A)ua ~~ ~ ~J) -l~(S) 1(1 ~ iJ~)fJ)gt )I T )) jP JlAi

J J

~fOf J-i~ ~fO ~f~ ~~ ~fJ y_ bullCo ~ ) t1 ~4 J- Ip tS)lJ ~4 srSJ I 11 sr-C~ ii

r-~~ -S)r s ck ~~ ~~I-1 Lgtlfl eIJJ~ ~Sli )bull srSJ I I - ~ s bulls11 110- ~ J- l do I) JI

J I~il -l~ ~ 1Juzs~ ~ J-i t ~~ I ~ Iju- cI ~~ ~ -JEodl

~rSJ IA ( j ybullJ ~s srsJ I) ~ (jy ~ J l 4 I) (

)~~~ I~ ~J ~l ~I~v (0Tlti~)

V-J p(R)dv - YweolR-RI

)bull ) srSJ I) ~ (jyO -1 ~rSJ 10-0 Y ~ oF I-o bull J

~ 4)fJ~T~~ LgtI~ IJ ~1gtU-- 1iJ J ur4u-- ~ ~J~ I ~t ~Je )J~T-~ 1)~5j ~I~ J-i~ ~I~ U=-I) ~ tJl~~ ~Tjl e)(i1

r1J1E ~SJ ~I~ J) tlJ ~s- )~ J1 4 r J) J-~ u~

~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91

dv Ii dv 8-d= ImA=-Ecos AI - 0 -11

WUJJ ~Jb ~J tJlJ- LJ~ ~Jlj~ ~ ~~ ~ J-i~ ~IJ~ ~ bullCo ~ ltbiTJ ~J 110- J r-ltflo rH Lr-t bulle~ 8 = u

E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I

=~I==~~r _A)_~~bullbullt_~~

~r~~~

~~Sshy

middotmiddotmiddotmiddotmiddotmiddotmiddot~~~~~t

E=-vv (ry-y)

~

alt y=v -cosO o rlt

av dV dVE= -vY= --8r - - -8- -aaT r a8 rsinO 3p

f

E=V r (ycos8a+sinlJa)

y - (J pR)dv) (y-rf)V -V f1tE IR- R1 o

~J~ L71 ~~ J u~u-- R ~ ~ JIPIJ RI ~~ ~~ 4laIJ J~

~ J ~J ~r IJ ~~T cS~ ~1iU-- ~ -OJbullbull ~jl Ji-

vv=J v( PeR) )dv fmolR-R 1

p(R) ) _ p(R) ( )(v YTEoIR-R1 - YTE V IR-RI o

R-R VIR-Ri == -IR-il

v == -f peR) (R-R) dv (Y-fY)V Y1TEo IR-R ITti

E=-vv

ufL~~IIw~J~ o~ 0JP~ ~jjf r-ro 6 qN J bullbullbullbull J q J q ltS14bA ~~ ~ jl ~ ~ 4)~ oe ogt~ ltgtJI I~ I ltSj iJo 45~I ~ ~S~ ~~r- ~ooVJI) ~IJJ lai jl ~~JlAi~)

WltS~lS ~IJA ~ ~I r1r ~~I~) ou~~ ltSJ-il ~IJA)-~~ 1ft jl

~ ~jJ JIgt~6- ltSIM bullJJ~ ~IJi iJ~~r lA~~ ~I I)~ ~~i1 ~I ~jJ

J )~I~ )JJJ La J) ltS~~ ~ I~ I ~) AS~~~ iJ~ ~r ~~ ~ iJ)) ~IJ

~)~~I~ ~~J J )~JT(~J) ~lamp-lts) ~J) ~ sJpL jl ~~~ I~ 1AJ~

~A (~JT~ I~ q ~~ tJ ~JJ~ qN J bullbullbull J qT J q ~~ l)lA~~ ~d)

bull)~~ ~~i1 ~ ltS~lSJil bullcs)~IJ Jd ~~ ~Ir 4$ ~l4~) (S~~I iJ1l-shy

~jJ JlS qTVT ojllil~ ILJ ))1) )JJ-J l3~) q ~~ ~~JT~ I~ qTJ

~~ ~ V n) )~ O)JJT~ ~ r~ JJ) ~ 4J~ jl q ~~ lj )y ~l=il ~I

bullbullmiddotiJb~JalO- q J q r~Jr IJ qrJ~ uJJ ( bull)~b ~yiJgt q ~~ ~J (y) 4Ai

)~JIJ (r) 4kAi~) qr J~ t )J ~~I ~I ~jJ ~lS qrV+qrVn jil~ lil

q J~ ~J (r) 64 J-I~ V )~b ~~ q )~ ~J (t) 4hA J-i~ Vr)

()~b JJagt

JIgt ~JJ) J ~))Ij iJ~~r I lA)~ ~W Ii r-~ )1 ~J ~ 1

~ltsIJ jSlts jl ~J JJ~4t It bullurl=U1 ltslAJtgtt~ rfIJ bullu rbu1

~ T~JJ )j JJ~4t lAJ~middot ~~

(y-ttv)

(Y-fA)

~Jb (Y-ttA) (y-tty) ~IJ~ cJ~f~ ~

WE = (Vf+V+V+ )q+ (Y-tt~ )

~ ~ ltslA1~ rW jl ~b-~~ )11 FI~ A JgtI ltsLA~~ 4P~ 4)

bullu~U--1lA jl ~~ JJ 4A cJTJ) J~

~Tjl

(Y-t 0 )

lts~~ J JT~J~ ~~ Y~ Iics- IJ c~ J~ ~~ bullu ~~ lSjll

~~~Jlt lSl~ ~J~ IJ PLdl ~ Psds ~ pdV4S~lJAJ) )l qi

l TIgt JI)-I J_~ ~ J~ lt$Ir (Y-f o ) ~ ltLIJ 11

WE == f p V bulldv ~

s ~~ ~ V ~-fr ~ ~J -r I y~ ltLIJ

~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD

w == ~JV(VD) dv- ~ jneVVdvcrmiddot r

IJ JI JI)(I JJJ I=- L 0-1 E= -VV ~J oJo ~JI~It Jt-

w== 95s(VD)ds+ fDEmiddotdv ~

I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII

lA I-U u II-U J- J 1)-I I l--I ~ Ifu-f 11I ~ I J~ lt$1 11gt ltLW bull-1 oA S c do-- lt$1 --s- -=-1 lt$11

oA ~ 11B ~ _lIoTu b-1iJloA ~ U SocBY I Doc IIBYoc I R

o)(S ~ JI~I )P-~ J~ - JI~middotJJj JI~ JJ) ~1fJ~ ~)J

ct trl ~

~ a c5lAtW~ r- c514i11JJ lts~A ~~- oil cJj~ ~ - Jc J~ Vo ~ ~~ cJj~ v~1 ~I bullu J~ ~ljT~lai~ (Qltb)L JJ s b

~~~ ~ l~cf~ sraquo jl I cJjb- bullu r-~ fSjJ1 ~I ~J

J Q b J 8 0Yo =-poundmiddot=Ps- In- Ps= b E = b

81 a aln- r Inshya tl

Jl1 JJ

WIlt= ~f pYd= ~f pYdV= ~ Yo -r YffaL Qln-

Il

rJ~ J-JJ

WE V L WE =-fDmiddotEdv= -E f V 0 0 0ywrLdr=

(b) bY ~-

Y In~ Ina

~J~ ~~~ J-JJJ~ jO jlJiS-s- ~~ ~~ bullu ~ ~j~1 4-0~ ~ hJli4e J-JJ J~ 451A~ ~L ~ ~ ~-

~I J~ (jj~ tSJJ JI~I J-JJ uJJt Ju-- ~ ~ ~ J~A 4S~Jb ~~J ~ ~liJ ~I J JI p-J ~Il-e 4 ~I ~ tSJJ JI~I J-JJ ceraquo JJ

~~~Ift ja 4S~I u Uti f~1 j r-=-~ ~ltsjV~ x-~JtA

~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -

u~ 4Jr1 ~J ET J E ~I~ ~J 1 iJ- ~Iuli1 ~J ~lijl Jj~ ~~~$a ltsjj t~flIJ J4Jtl-J~ bullu o~~ LSjt

- shy

)k (cm)PL ukgt ~JI)~ R t~~~ tS1r b jl 9 4Jlj~ U tSJ) f ampoJ 1 j I JoP ~ E u~JSJ I ~ I1A ~J ~~J )114- ~I 01 tj ~1~

~J~) )Y- lSJ) lS1AbA)~ 11 E ~ JS- Lgt IJ b j) JA ~ IJ ~) ~

~~ ~~ J-t- J jl d dij~ J (oJb r jl OJ I ~~

~~6- 1lA ~I1~ I) V

z= -a z=a z= 0

LJI~ ~J ~~ 4u - - P -P YP ~~ ~ Lk )~ sI1b ~J~

P ~-L LQj klAi ~5 1i IJ ~b lSl11~ Lr-~Ijl JP~ E uSSJ1 ~I ~t

~)~ ~ lgt x= 0 ~)~ z= ydb P ~)~ JA lgt z= 0 4gt~ 5 Jj 1tAi)~ I) E ~11A J~~ (0 0 d) sldA )~ (+q) lSl41Ai J~ J PL

(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~

( - q f) J ( +q) lSlAl)~ lSl)b ~~~ 4-S1J rA~ t s~lA 11)ofJ~ V uJJ~ ri5~ 1J~ d dPlj ~ ~jl J o~b cJW ~~ ~ xt~ d dPlj ~

1)U-- J Irc-~~ ~) lJ ~t 4

~Ai)~ Qf 14 J P(Y 00) 4-laA)J Q ~JSJ1 )~ JljT lSLai)J A qw)J L w~ ~ ~ ~ Qf J Q 1ft 4l= 11 Ji1I) )11- Pf( - T 0 0)

bullu~ E y =0 )114- P( Y Y)

P= P cos 8

bull-=5-l_ 11 01) j) r- )~ J ~ cJ 1j I J1_gt u~~ I ~ 1 ~u -U 4is

(~I ~L p)

tSfJr sI)I bullc o~b ~~)~ )t~)t~ Xy 4gtu)~ ~ljT($La)~ 0

J4Lgto I) ~~tf ~)IJ ~~ 1 (1-lSJtA I ~

P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC

Pf( ol - 0 r) 4hti ~ Qf= - pC

)~ x )~~ ($J) Q =- l pC )~ J 11 )~ Q == ~ pC U~J~lI )L~

csJ Ii riamps-~~I )~ ~jljU 4~)~ I) QC )t~ Ji bl x = 0 m )~ ))IJ ~T ~

J~~ Po cs~4gtI~ r ~($l)b atW~~ cSIfl b ~J ~ middotr j~ ~ jl vP J ~yW )gt=V jl ill ~ iSJ ) )~Lrljl Jpb- ~JI ~Ilz-

JIr iJ1l ~I JS a ~ 00 t~ J~I ~ ~~ ~~ J ~~ -t- I ~T

~gtcs Pol TEo

a~~ t~YllSJ- ~~ ~ i4)~ Q J -Q J Q ~SJI ~~ ~ 4 Lgt- I) ~l r )~ ~SJ I SIJ~ ~~ bulll Iti~bull)I

c-j~ l tb ~~I )~ ($I)b L J1J a t~s~ lSl4iI-1 ~~ ~

I iilyl ojamp-ti j~ rJ~ u~SJI ~I~ ~~ J~cs Po J~s ~I~

JlJl-gt

~ bl) P ( - 0) 0 l 0) 0 0) If 0 0 ) ltlkA)~ Q =00 DC iSl~b~ 4 0 JS~l-gt I ~j ($LA)~ )I)~)~ it~ ~)IJ ($Jr

P(o)ol o)0l -ooY) JQ== yoILC (~I

P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~

~JltJI~ ~ljT($La)~ a tlA- J~ 4 oampt ~J ($JJ~~ ($J ~

~)~ t)o~ o~t j~J~ ~r~H J-1~ ~I)I p J ~~ u=h

t II

J~~ ~JIJI~ 1lyJ=d Jb I$J) x=o u~J~JagtJ--J~ v u~ ~ )~ u~J1 ~~ d x J~ ~ ~ J~ liJIJJI~ PL =+X

(~I ~ u X) ~J1J IJ ~I)N r4t

E=xa+yaT+zabull

bull~JJT ~~~ IJ J-i~ rA cb- -1 JI)r

~~~ ~ rJ ~r~JLA ~JJ ~ Js ~~ q= Ync ~SJIJ~

~~Jc= CJ BJ A jij)~ ~PSI I~~u jllil ~I 4JJJI

f~l

J~ ~ ~J~)J u~ 4lJlI J~I cJl-- ~ lIU-- rt) I~ ~ T fo bullIt )T~~ I)TJJ ~ t ~

ul~ ~)~($IJb L J)4t r=D cSl4iIYICz ltsI4iI-I~J)J

bullJ)l IJ 4l1~1 fir J) ~5J1 I1--~u u~U-- P cosgJ

raquo _

~ J~ ~SJI cJIL--~cJiS Lgt ~I OJ)I~ z)~ ~J

bullmiddot1 P( 0 t bto)

E=raz+fa

J R t~4~ ~I-Iri (S14i11 ~jl 15~SJ I (S-J JI1it )Jb JYJJ

oltcplt1f --LltzltL

rlta ~I p=pora ~Iot o~b Jj ~Jyt~ ~gt~ J1jT~LaJ~

~ t- rgtYa ~ Ir P=0 J a ltr ltsa ~Ir P =PoP J

I~~I ~~ ~J I la JlA0 4SJ~ ~gtJI cJI~~c (AJI

ftc

1 sectr~ J ra]raquo tLt~ ~Ibull)~ tSJ)5~jl 6 ~~I~)i (

( -C-A ~ u J) lie fJ J PJ csshy ~J lgt ~~

~c ~ ~5J1 cJl~ )IjT~l4i J) f~

E= xaz +y8)+za

Jt J R t ~ J Z )~~ ~14i1~1 J~ U craJ~ ~~I )~ JS (~1

bull)b )J J L

~Jgt ~~ 1l-- f r~ J R t lA~ ~I bull s-~I~ IJ (~I)--i (

z J-~ J R t 1~ J L J~~ ~l4jl1 ~L~ ~ jl 6 cf5JI~t (~

bull)JffS ~ 11-- j~~

bull

fT o~8lt-R

y

~)jfIS

~)Jt ~ xy ~)~ R t1aJ cSlbullJI~ ~ )1 C ~~J cS)i (

(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~

JljJ ~I)T Lii)~J)cS~J1--lutt~R~ )~ J~ t-)Ji fV

lt)_y costl + sin (($ a- a+ a a (~I r liD

(cS l4if-) E= sinfll+ Sbl+Vd (

Jf1Jf Z J ~ cS J)~)lt 4It I )) P( f ) da J) cJ5J t ~J~ bullrA ~ ~I

E=a+a bullJ4tJ t1J N e )WiJt wl~ ~u-- M-- shy

10) Iri Llt1J))~JtQt Jlt middottCt(~middot1

lat I ~ ita edt )II ~ J) II (~

o ltzltoo deglt1ltfllfJ ~r r-- cS~ Lf-I e~ dt cSJ) ~j$Jl J~ )~ ~))1

Jl~~ 0ltLu~JIJ~~ YO a($ltL~ fJ~lt5)lAfJJ~ ~i middotfo t-q vaJlgt ~gtJIJ~ lt51)b Ao1 ~~~Jfl ~Iow J~ P= -polr

(~L ~I lt5JIJ~ pJ ~~Lgt c~

IJ ofJ u~ E (~I

J) ~ ofJJ ~ J~~ ~~I liu~ JJ~ q JIJA- (-

J r-S~J ~~ J jti ~ ~J~ IJ oJ$J) J J~ q= YP o 1Ta s1 (~

1S-Lgt 1- o~J) ~ ~~ LJI~ ~ J) of~ ~ JLv J~

I z =+ 0- ~6aaJJ JIItSliUJJ I~J~~ J-tgt~JLA f~ J~ ~J~ f vJ~ ~ ~JsJl ~Il-- )~I ~J ~ ~ J~ 4 JiJI~

E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~

~ ~~ J ~~J rA~ Jjl h ~ 41--J~ IJ ~JJJ I (~

~- I ~JJ ~ ~~ uSSJ1 ~Il-- JS rN ~JJ

~-5 l-IJLgtJLAJ~ lt5Ju~J I~l~ ~ S lt5)lA vbiP ~) 1 (J

j)JJ~ xb ~J~J ~11lt5La J~ (altb) b a ~lAtl- Ffr middotfJJ fr JbJ4 - q jllil~ I LAo_) 1 ~~rA J o~I~IJi +q ~SIIJ~ LAof

~Lgt~cs-

I La raquo lA 4JS~ E (~I

IJ Lai j tAj ~JJ ~5J 1J-i~ (

IJ lAofjl ~J cb tSJ) cs~~IJ~ (~

4SiJ~ 0J~ 1 ~JSJ 1 J~ JI~ ~ riSJ ~~ IJ ~ of~ 1 (~ ~~ef ~IJ gtT~ It ~6-

Ji5- ~ L Ai ~lSlr I) ~SJ I ~ t J

V(Z=plusmnOO)= 0)

Jzlgtd

JI ra sa a lSlAt LJ~ )IjTl5U i J~ fr rA JAlSlS)lA lSJf-~ ~ ff lS1J 1) Yaltrltra ~li p=poTa ~ J ~ lSI)) rlta lSliJ lJ)1)

~I p= 0 btAi ~ JJ - u~~ p= -(YPoVf-) ~ u~rSJ1)~

~-L IJ j Ai ~)J D (aJ I

IJ lSJf 4-oX A C)ar lSJJ )~ ) 1lA- (

r = Yo r =Yo ~b -J laquoJ ~~ w~1 (~

tdegf fir ~JI ~~ (J

J ~ ~ ~rsJ I )~ JAu rlta ~lJ l5Jr- ~J )J JljT lSL4i J~ r~

JpoundS-L u~U-- J~ iJJ~ rgta ~li - p= por

rgta ra ~li JJ ~JI ~1Je~u (~I

v(oo) = 0) rlta ~l JJ ~rsJ1 J-i~ (

~b~JJJ~~ rA)IlSJlAcS-f~n~r= Ya ~JJI (~

JfS ~ iJT

uI~~ ~I~ ~~5J I J~ ~ -aya ~1 JljTcSlM)J f~

bullJi5~ Lgt ~ I bullu t Po

IJ ~tAi 11S)J ~rSJl iJ~~u (aJi

J~J O91T at~~ ~I-Irf umiddot~Cb-jl4S~JI~JJ (

1J J)jgs- z J~ s - LltzltL

J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m

~I)Ir )ljTlts~)) ~Jf~~ L~) ))

t$J) ) ~ J~ ~laquoa~)Ii r = em ~J LS LA ltSJJs~~ 4 r~ I (~I

Yr-u-- cr sr~b d=shy~ )) ($) lA ($14i11 uk 4 J1 (~

-Y emltzltY em deg ltrpltYft r zx rem

yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC

bullJS~Lgt I))J ~4i~~ ~--i r x tJ m d=-~~ ~~gtI bullu~~

b tSJJ PL = f nero ubgt )~J ~La il--)) q= Y DC SI~)~ n ~J ~~ ~~ 1iJblj Z uyen)) y= m

p( 00) pCo 0 )

J~L ~~I)~ lts1)b J )Ijl ltsLz rlta ~t tSJ-5 ~))) 0 Ji5~l-gtu~u-~~ gt)~ ~~SJIlts)lAaltrltYa otgtjJpQra

)J~ ~4i~ ~ ~ (r= o)middotf~- ~JI J-ili (~I

lS~lA ~ ~ ISJ- Y~~JI-~ (

~aJTJgtb ~ sJj j~ -~ ufJILS~1Af-4 r=a j ~I (~

y~

flildt-I xy ~-~ ~ ~Uu t$l~ -~-~ f bull ~ J~ xy ~-~ chJ 1)1l-tJ ~jSJl ~Ic (~I

~JJT)4f I)~d J~

~JJT~~4 1- Traquod Jr ~ P(r I )diiJ ~~ (

yL- J- gtJu-- cJt r =a t~ If~ jJ 45~SJI Ji (~

~

t-------

d

~-------4

------ p bull r bullI I I I I

I I I I I

------~

d

~caJ j1sJ f r A

E= - Yxy a - (+xC) (+xf) aS

yen l-gt 7 lS 1A r-It lS r 1J

z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~

J~ ~ Jl- ~~ ~JI JI- altrltb ~u J~ ~IT ($LQ J~ ff ~JI J-ili ul~-Sit p= 0 jfA Jl- J~ J ~Jl~ ~~J p=(poaCrC)

~ -l-gt IJ j fA 4J)J~- shyJJP~ 4J1r1 4l~~ J~ ~JI J-il ~~ ~IT($WU J~ f

V= a(cosp+~ r( r

IJ E (~I

b ~Jlgt t ~ J a Jgtb tL ~ (SJ~gt Y 1-1 J~ ~ Lgt J~ JIlAe (

8~ J J L Jk~ Z Jgtrolt JJgt

~Jb IJ e1di ~sect t ~ ~J~ V (~

~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~

uJ~~~lS~J-1gt 0 lt9~ 11 z= 0 J ~rlta Jt~~ u-P) middotf~0

~JJT~~- ~ljT lS~ J~liV( 0 0 z) ~ P - pJrfa()

)agt J~ Jet-gt x= 0 ~ J~ z= yd Jagt P ~ J~ J-b- z= 0 ~

I~J1 ~~ ~gtI u~u (0 0 d) ~J~ +q lS14bAi J~ J PL

( bulll-A ~ l ft~ u PL Ps) ~JJT~~~ 7 j lA lS1)

( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~

)1 (S~ I ~~I rj) )l$)~ j ~)~~ ~J~(j I )~ fJ )))I ($IJ fV l)JJ )J ~t-Smiddot~ tA)4 J) wI ($J-Jd I) J)~ )IT -q lS~)~

~J-5J I lSJJIJL J~ l-gt~ ~1 )I ~ I) o-L 0 Jgt~ lSjj1 ~

1)(S ~lgt- lA)~ -)~ t ~r j~ J J YO tl~ lSlo~ jl ~

Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l

~ ~ lSJ) -vYq~ J X= UW)) X ~ ($J) q ~~I)~ fA bulllib) Ij X = - 4Ai )

~ J t) )T41) tM J o)f~ I fSJ ~ lS La )) v= 0 ~ (~I

(S~SJ I )~ )~ ~) Iri v= 0 amp~ ~b ~ lgti fS)tA~l (~

~)Yff ~)TCb JA fSJ)

lSLAi)) ~jl m J- 4 ~ti ~ fJ = fILe J q =YILe ~SJI LJ) f~

4i~ ~ltiu rIJ q(=YILe~ JtAi1 fSlJ rjtsiloflj )Ijl

J$~lgt I q J q ) ~J) ~ bJ

P=PoYaf ul ~~ ~ (SSt~ I)~ ltyltZ4J-Pti) y)~ fSJ) ~o0

I) tA x )JA fSJ) ~~ ~ ) ~ 0-1 jl JPLgt ~SJI ~~ )I))lj

~JT~)~

x= 0 ) J Z )~ ~ljl~ P J~~ ~pI~~ (j-j ~ ~ )~J) 0 1) x= +0 raquogt o))-Yp uI~~A) ~L~~1) J y= +a1

dgt ~ loS Ir -- I )ij -- ~ lta t t- ~s Jsl I J I~ ~I T -gt lai )gt bull~r LL a~ I) ~J gtJIL tVj

- -II ~J bull shy

(~

lL at r=a~ lt 5~1 ~Ila ~I ~IJ 4SlgtJ~ oJl ~ lgt _ ~ ~-

~ J ~=-Ja ~ ll l l ~b lf~ =-ltJ I )~ J-lgt eb ~ ~ ~ )L-li ~ ~

~5 ~t- ~tl I r = a

vbI)~ljTloSLa )-bJaSLAt~~ ~-k ~14i1J=-1 tS~LA4~ J~ -or ~IJ 1 li1 ~ ul~ ~ ebJ ~ J-i~ wgtI 1

y f ~ q l J ~4U p= Pc r] af ~( u~~ i4 J u r lta 4gtl -Of ~ rgtmiddotQ ~t ~ ~jSJl ~l-t ~u l~ l~ q I~ i) f ~ j~ I bullluJT~~ I rlta ~l)gt J1~~l -Jl-- ir-IJ~ ~~J

~ --gt 1 L-b _J~~ )~ JL J1D- AJI j d)lJb 0 ltL r = a -gt-_ c--- - T~ rmiddot

Lgt u~UV= x+v~+z JJ p~ ~J~ ~~ ~ljT ~Lai J~ -~

w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra

)I) ~ sraquo Jlt~ t~ ~ J r = r t ~~ J J~j ptA bull I (~

()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~

~)jgcSZ)~J r=Y tl~ ($1II~middot~ebj1 45~J~I tSI (~

)l~ ~ (bgta) bs a ($ Lat k ~ ~ iJJ~ j)f r- cS)1A J~ ~ ~w ~~

Ji5Lgt ~I bulllo J~ p=poa t1 r lt u~~ ~L ~ ~rJI

l b J a iS J~J) cJ~ ~JI ~~ gt-I (LAJI

eb fJ lSr) I) J) t~ tSJJ ~ WI ~ iSt-Jlt J ~ (- (J~ )2iJ~ ~Jlgt - ~b

u~ ~ )l~ J r~J l~ u)jL Jl- ~ ~J~ 1)~J~j1 (c oJi)Lgt I) ~J~ ~ ~~ ~I~ 6 Jdai ~J)

LgtI~)~ p(r Y Y) 4ii- p(Y r )4kCi jl q=Ync~rSJl4 ~V

~l1 JfiJi

lSlAt~~ )~~rA cSJlA)Iraquo~~ rf )r~cgtI4iII~J~ ~lji($~J~ ~

J4 I~ ($I~middotII~J)~I~ u~raquo~4 1iJblj (agtb) b J a

E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~

p J~ u 4JJj1 ~~I)~ iJJ~ R t t~ ~~lA bulls~ )~ J5 ~tb ~

ut)~ Q )~ J I 0J )1) qf J q J~J) lAgt laquoi 1)f)~ J J )~ 1

bullJi5~ u~ ~I) )I ~~LA Jr-f J jl r ~ R

~~ ))1 Q q q ~LA)~ J s-~J~ (~I

lAbulligt cb- (5J) s lts~lA r-~~)lgt cb- ltgt) u~SJ I)~ JIu (

~r~~

r-ffTH--+----~Q

r

ub)~ Jo~ lA))~J PI=Yncm J~~ Jagt)~ Jetgt lA x)~ 90 ~~w u~~ PI= -y ncm cJ~~

I) xy ~)~ ~ J~l ~ lob- (JlI

I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (

~ y= +a j)zgt rSJJ x = 0 ~~)~ PI= - Y ncm ~~~ ~)~J~ ~

($J) W 4J~)~ PI= -Yncm J~~ ~~ ~ )t~J~J y= -bJ

bullJiI4jJJI) y= +b y= -a j~

bullJ)~~ I) P(x 0 z) 4laA)) ~SJI eJl~~w (~I

~W ~ I) cJTJ~ J o~)JT~~~ I) ~ ~~ ck IblA (

)JA- rA~)I) ~ J-i~ cb- ~)~ Ijt )~ lts~1A cn ~JI (~

f~~J ue bull tAl cJT~ jA lSJ) Jk lgt )) J~

~I )It ltSJ-5 O~))~ rj ~u~ ~JI eJ1l- ~ljT ltS~)) ~r

E=Aor(rf+af) art rlta ~li J)

E= A o afr(a

T rgta ~ li ))

~~I d~1 cJl~ ~ cJl~ cr 4SJ5~t (~I

~~ JiI)JS )~I I u~~ ~~gt ~ u~ tStA~ u J ~ (

~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~

J)~ 4SJ Q)~ 1 ~~)ai)) J~ Ulk a t ~- tS)tA ~H ~ ~

4kA ) ~~I J-i~ l~Lgt ~L bullt c-jj-i ~I~J~ ~T

1 A( 0 0 k) I

A

x ~ )~ I s a tS ut -~ tSJJk~) R t ~~ J ~ ~JJ tS)tA bull~)) ~

=f J) q J q uSpOr tSlA)~ LA~ r) (l- j ~ ~UaA) ~l

bull1S~ l-gt -1 I LA~ Cb tSJ J tS)u f~ tSJ ~ J~ ~~ (~I

I) tS)A bullc)lgt )) ~~I ~~~w (~

I ~ jt Jgtb ~J I ~Il--~c (~

I q J q tS LA~ fl ))IJ 4SJ~ ()

~ ~~ r-)lA 1 ~S f)J~ tS)LA bullf41 ~)i qe ~~JI (A

fosshy

1 Hayt W H Jr laquoEngineering Electromagneticraquo McGraw-Hill N Y 1981shy

2 Della Torre E and C L Longo laquoThe Electromagnetic Fieldraquo Allyn and Bacon Inc Boston 1969

3 Schelkunoff S A Electromagnetic Fields Blaisdell Publishing

Company NewYork 1963

4 Plonsey R and R E Collin laquoPrinciples and Applications of Elecshy

tromagnetic Fieldsraquo McGraw-Hill Book Company NewYork 1961

5 Plonus M A laquoApplied Elecromagneticss McGraw-Hill Book COmshy

pany NewYork 1978

6 Skilling H H laquoFundamentals of Electric Wavesraquo 2d ed John Wiley amp Sons Inc NewYork 1978

7 Attwood S S laquoElectric and Magnetic Fieldsraquo 3d ed bull John Wiley

amp Sons Inc NewYork 1949 There are a large number of well shydrawn field maps of various charge distributions jncludtng the

dipole field Vector analysis is not used

o~tAI JJ ~~ ou 4gtl 6~ ~ ~ t) I ~JA 4S)b )~~J ~-J 1

~)1$ Js- ($4~ LajT )~ o~ 4gtl ~J-~ ~T JL=- J J~ IJT jl d I~

J ~ Cb J ~ c~lgt ~I ($Ib ($)~j )1 4S )1) ~~ u-l~1 ~~jb

($Jjl) jl 0) lA I ~ J ))1) IJj ~~ljT ~J- )) I J~ lt)I )lw Jsect bullu u~JI)t~J) ~ ($JJJ ($~ojlJJI~ ~~A ~ya~ ~

(~1~4) ~sectJgt- )4J) 0~ 4SJr ~~)) I t-J~t ~~~LjT

~b~)

L~ I) -J4A ~~ I~bv )~ J) s t) I r~~ ~~ 4 J) -

bullJ)U

bull1bull5 is J~J rJll~ I) ~Jl 4$ ~I JD- )1cI) )~Jl ~ ($Jd -y

~I ~t lAT ~ ~t ))~ ~ 4 4)) ~ ($Jd)IJA_

))b ~=-~ LA)~jl ~JbIlA ~ 4J) ~ ($Ji)IJA-f

I) ~T )) 4)~ 4S~~ ~fiJ I ~Igt~ J~)) ~ ($Jd )1lA- -~

)b ~ J)b

)r4$ ~Yr-J J) ~J4I~ ~ ~ ~

_ QQl Rl _ K Q Q Rl -R (Y-Y)FH -K -e- Rt -- l IRt-R I

~ I~ (~) )JjT($49)) J ~I ~tjT ~ t- li e

u ~fS

s l)b )~ ~)Ij o)Lil )y W ($l IJ ~-~ 4S~ K --l7 -J-rP bulll ~ u I f1T r 1~ mKS o~) ))

)Ilie~ ($)~~ ($Jr J~~Jyt l$))f J~Jt-1 ($If ~- Jlio

I I I

I

~---~------y

z


bullJi5 R =~+Ty+a6

It =Tac+a


1f ~~~-r






(Y-f)




0




= t ~ Qi(R-Ri) 1- f1180 fa -B I (Y -f)

------y













( -0)


jL ~~)~I)~ ~J ~J x~ ~-~ lAJ~ ~IJ)~ 4)~I~ ~j ~~



o~) ~l-gt I) J4 J5 ~I


AlT ( ) - -fr 100









---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





I I I

I

~---~------y

z


bullJi5 R =~+Ty+a6

It =Tac+a


1f ~~~-r






(Y-f)




0




= t ~ Qi(R-Ri) 1- f1180 fa -B I (Y -f)

------y













( -0)


jL ~~)~I)~ ~J ~J x~ ~-~ lAJ~ ~IJ)~ 4)~I~ ~j ~~



o~) ~l-gt I) J4 J5 ~I


AlT ( ) - -fr 100









---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





(Y-f)




0




= t ~ Qi(R-Ri) 1- f1180 fa -B I (Y -f)

------y













( -0)


jL ~~)~I)~ ~J ~J x~ ~-~ lAJ~ ~IJ)~ 4)~I~ ~j ~~



o~) ~l-gt I) J4 J5 ~I


AlT ( ) - -fr 100









---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978

















( -0)


jL ~~)~I)~ ~J ~J x~ ~-~ lAJ~ ~IJ)~ 4)~I~ ~j ~~



o~) ~l-gt I) J4 J5 ~I


AlT ( ) - -fr 100









---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978












( -0)


jL ~~)~I)~ ~J ~J x~ ~-~ lAJ~ ~IJ)~ 4)~I~ ~j ~~



o~) ~l-gt I) J4 J5 ~I


AlT ( ) - -fr 100









---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







---7









4SJSIf



IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






IR-RI =Vrl+(z-zr


+00E R P z -z


(6-6)

cAJ1

E(R) P a ywe

o r

bull (OOz)

i(z -6) i (1- H

bullI

---------~_c-------------- _

(y-v)




~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






~~l- J a











=f) -- (IT_+_17) Y7JE f Yo

--

y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





y

---_


o


middot~4~)~


bullJ$- ~ lJ-



bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





bull bull


bull f~toRY





fzrbull






bull WEmiddot zto

- cJ I4S -f

E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





E=ro

Po a re r

-

z

P

-L-l__~_~-+ y

-

i

dEz Q ---- (0 O z)

CI

R

r -1 Jh f-V JI









dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







dyEy dx =Ex

y

I

~ --------~-s

))~T-)~ lJ y=(x) ~ ~J iJl1-~J~ ~J


ltJ~T~)~





dr rdf-dz E= E =E


o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





o~fJtS ~lojT r_ 0







~~ ~~ eT ~N J ~J~ ~ dJ 0-~b ~J~gt~ ~l_y

J ~ is JgtI~ of J ~















D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978












D-- Q af ifr



(y- r)

D=eEo







(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





(T- A)


ds eb ojlt1




JS~Lgt



D= PL YlTr


J 1


z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





z ~ ~IG ~~

~t J~

bull

bull I

-shy - reIshy

~- -- 1 D D

1 C C I




Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







Of L J~ deg




1iJ




1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978








1











P=POT (cm()a





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





~ - ~



- - ~fiJiti~ ~ D~ D(r)a ~ ~-J



i

~)) J


bQ ba






~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978









~T~ ~~J


o 0 0 a 0

~



~I bullu JI~)J



~

-4i1~1 ~ ($J) ~I~ ~I ($)~ ~)Ui ~I)I)~ rlta ~l (~I


~ ~I





r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978








r

Imiddot ~

b

r-A Jt - Js

D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





D(Y1TrL) = 0

D= 0 rgtb

pound=0



u~u-~ jl ~ ~JJ~





~D-pv shy(Y- v)





(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978









(Y-A)

p = PL 3x)8(y)

(Y-yo)

f +OO _8(xdx=



~ -L IJ all t ~~

~




rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






rC ar 0 E rlf( shyo


0 a a


))Ix )~ ~($)~ )41iJ ~I ~~~ UI)) ~I~ 4~Lr-IJ) P






~)~ I ~l~~u 01~~ )~I ~)~I)I 0)lQ1 ~A) ~~jl J J~ o)








~ 1

w=- fqEodl (r-)




d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978








d gt ~ rj~ ($-1







bull4J

dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





dR=tJlcos






I



qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







qV c =----==----shy



~ ~I 1 ~~ il-e

(r-re)



p(R)dVJ=f bull

fWE fR -Rfv p=gt c

PsR)dsv=fs (r-rv)



J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






J4t ~ lJJ~~lU


)Ushy


~_~-


(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






(~

D =por l

t fa


00 bull fE r ccgt o

p _ deg +_O-X-rl

fa Eo r bull








1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






1





bull J~ ~~ ~~

~Ji iJJj~ cr)~J~ ~


VXEmiddotAs=o

1iJJ VXE=o





J J





)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978









)~~~ I~ ~J ~l ~I~v (0Tlti~)





~ ~ I

av= -Edl= -EA cosS

i1v -=-Ecos91



E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





E=dYjtil lUX

~ ~+AV I I

bull f-~lllrliila-_

I I

I I

I I


~r~~~

~~Sshy


E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





E=-vv (ry-y)

~

alt y=v -cosO o rlt


f









E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978








E=-vv













()~b JJagt




(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







(y-ttv)

(Y-fA)


WE = (Vf+V+V+ )q+ (Y-tt~ )



~Tjl

(Y-t 0 )






~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978








~~ u ~ p ul ~~~ ~~ t$1IJ

p=VmiddotD




I 1iJ 111 II T orb I 10 ~ (W 0 -1 0$1 ~ )1 JII




ct trl ~





Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978









Jl1 JJ


Il

rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





rJ~ J-JJ


(b) bY ~-

Y In~ Ina




~ I bullsss IJ

~I~~ 4 ~ ~y ~ ~ ~5J1 ~1~J~u JtI~ j 4-6J -


- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





- shy




~~6- 1lA ~I1~ I) V

z= -a z=a z= 0




(~t PL Ps) ~JT~~~

(ood)4A(~1

(0 d d) (~

(d 0 d) (~


1)U-- J Irc-~~ ~) lJ ~t 4


bullu~ E y =0 )114- P( Y Y)

P= P cos 8


(~I ~L p)



P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







P ( 0) 0) IlkAi )) Q == 0) y pC

P(o) Y 0) 44)~ Q== o)f pC

p r( 0) r o)V) 4Ai )~ Qr = ) ( pC






~gtcs Pol TEo




JlJl-gt



P C( - 0) 0 - 0 J 0 r 0 J ) ) Q =yo pC (~

e Q )~J) (~



t II



E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







E=xa+yaT+zabull




f~l




raquo _



E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







E=raz+fa


oltcplt1f --LltzltL




ftc




E= xaz +y8)+za


bull)b )J J L




bull

fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





fT o~8lt-R

y

~)jfIS


(~ ~)~J v cSl~ ~ J ~I cSlaI$)I (~











IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978







IJ ofJ u~ E (~I





E =( oozY+zI 0 0 )a

J$~ b J5csshy

IJ ~J~~~ J~ ul~ (~t

I ~~ ~ J~~ ~~I (~





~Lgt~cs-






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978






V(Z=plusmnOO)= 0)

Jzlgtd






tdegf fir ~JI ~~ (J






JfS ~ iJT






J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



V= a(cosp+~ r( r

IJ E (~I




~I ~ ( ~ 1-1 J~ 010 ~) c~JJ ~j1 (~






( 0 d d) J (0 0 r d) (~ I

(d 0 d) J (0 0 rd) (

(d 0 d) J (0 d d) (~




Y~I )Jbbull

q C B-------q

1

1

A gt~lt -q

o q A x

J-a-l




~)Yff ~)TCb JA fSJ)






~JT~)~



- -II ~J bull shy

(~



~5 ~t- ~tl I r = a





w1=S

I ~(JI ~I~ ~u (~I

I l4i ~ ~Y Y u~SjI~ ) ~ (~

)IJr ~~ )~ ~~I ~~ ~Ijl ~I~ (c

)raz+Ya+ra


()~~) f~yu ~lgt ~I~)~ cS-~~ ~ rfb~








~l1 JfiJi



E=E (~_a)a o r Y r

~~bA ~ I ~f)~II)

I) 4i 11 JJ u~ ~~J~ J ~ (~I

I 4i1~1 JJ ~ ~~ j~1 (

1) jlAi J L )) ~J 1JI~ (~




~~ ))1 Q q q ~LA)~ J s-~J~ (~I


~r~~

r-ffTH--+----~Q

r



I) xy ~J~ y= xb ltS) ~j5J ~I~ ~ (










E= A o afr(a

T rgta ~ li ))



~

bulll=Sl~ I )~) ~~4i~ ~ ~ Sr ~JI ~l (~



1 A( 0 0 k) I

A








fosshy








pany NewYork 1978





J-~ y= -a ~ J poa ~~ ~ ~)~ Jo~ y=a 4~J1 (~

blAi ~)) ~~ ~1~ ~J ~~ y~~ )~fl oJ) -poa ~)~

bull1)JT~)4J I) ai-

E=~a (~) r T m





yr ~jT~b ~)))~ )~ )~)1)

J~- ~)~ ($)1) rltm 4gt1 (1

(~ ) = fPo in P IT

Po (e ) - fIT mC



p( 00) pCo 0 )





y~


~JJT)4f I)~d J~



~

t-------

d

~-------4


I I I I I

------~

d

~caJ j1sJ f r A



z= 0 y=xl (~I

z= o y=x (~

(~~) f~~Sis lS1~ ~ -y~ utA~J~1 (~



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