Originally Posted by
romsek think about the steps you need to find the inverse matrix
first you find the determinant of each element's minor matrix
then you apply the sign correction to convert the minor determinants to cofactors
then you divide by the determinant of the original matrix
then you transpose the elements
so for element (1,4) of the inverse we need to calculate element (4,1) of the cofactor matrix and divide by the determinant of the original matrix.
that's exactly what this does.
I didn't get any formula anywhere. I just understand how the inverse is computed using the cofactor method.