Matrix Inverse using LU

Matrix Inverse using LU - Nave Gauss elimination for 3 by 3...

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Naïve Gauss elimination for 3 by 3 matrices Starting Matrix 1 2 3 A= 4 5 6 7 8 -9 Step 2 (Eliminate) 1 2 3 0 -3 -6 0 -6 -30 Step 4 (Eliminate) 1 2 3 U= 0 -3 -6 0 0 -18 Verification 1 0 0 1 2 3 L= 4 1 0 L*U= 4 5 6 7 2 1 7 8 -9 1 1 -1.72 L d1=e1 d1= -4 e1= 0 U*a1(-1)=d1 a1(-1)= 1.44 1 0 -0.06 0 0 0.78 L d2=e2 d2= 1 e2= 1 U*a2(-1)=d2 a2(-1)= -0.56 -2 0 0.11
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Matrix Inverse using LU - Nave Gauss elimination for 3 by 3...

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