4x4 matrix determinant

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Occasional Visitor
I tried to calculate the inverse of a 4x4 matrix using MINVERSE function but I'm getting a different answer when I compared the Excel answer with Matlab answer. I tried to multiple the Excel answer by the original matrix using MMULT but I wasn't getting the identity matrix I'm supposed to get if a matrix is being multiplied by it's inverse
2 Replies
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@Samadesola 

Could you attach a small sample workbook that demonstrates the problem?

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@Samadesola 

Probably that's due to rounding errors.