How To Find The Cofactors Of A Matrix

Cofactor Matrix

The cofactor matrix of a square matrix A is the matrix of cofactors of A. The cofactors cof(Aᵢⱼ) are (− 1)ⁱ⁺ʲ times the minors, i.e determinants of the submatrices Aᵢⱼ obtained from A by deleting the ith rows and jth columns of A. The cofactor matrix is also referred to as the minor matrix. It can be used to find the inverse of A.

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