Determinant of matricesWatch
As I know determinant of square matrix (n x n),A is
|A| = Sum[j:1->n] of Aij.Mij (i is any value from 1-n)
where Aij = (-1)^(i+j).aij (aij is the term in matrix A)
and Mij is the square matrix of size of (n-1), cross out ith row and jth column.
(In the book, there are only (2x2) and(3x3) matrices.)
But I wonder if the matrix is not square (m x n) where m <> n, will it have determinant or not?