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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