Info

cof b11 cof b21 cof b12 cof b22

cof bn 1

cof b n2

cof b1n cof b2n ... cof bn adjugate matrix of B

In the case of second order matrices, cofactors are scalar values, e.g. cof bn = b22, cof b12 = -b21, etc.

The inverse of matrix B is the adjugate matrix of B divided by the determinant IB |. The product of the matrix with its inverse gives the unit matrix:

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