7/23/2019 FEM Matrix

1/2

Row A B C D Explanation

1 1 2 -1 2

INPUT2 3 3 2 3

3 3 6 1 1

1 1 2 -1 2 Division by a11

2 0 -3 5 -3

3 0 0 4 -5

2 1 -1.666667 1 Division by b22'

3 0 4 -5

3 1 -1.25 Divison by c33''

7/23/2019 FEM Matrix

2/2

Solution

x1 2.916667

x2 -1.083333

x3 -1.25