Applied Math 40S February 6, 2008

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Multiplication by a scalar and BEDMAS.

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What does this picture have to do with matrices?

Matrix

http://flickr.com/photos/threedots/131038119/

A little warm up ...

Matrices and multiplication... this is called "scalar multiplication" or "multiplication by a scalar".

Now you try ...

Now put it all together ...

Now put it all together ...

Now put it all together ...

HOMEWORKSolve for x:

Solve:

Solve for x:

Solve for x:

Solve:

Solve:

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