det
det(X) returns the determinant of square matrix X.
Examples
> X = [1 2 3; 0 1 0; 2 1 0]#
1 2 3
0 1 0
2 1 0
> det(X)#
-6
> X = [1 1 0; 1 1 0; 1 1 1]#
1 1 0
1 1 0
1 1 1
> det(X)#
0
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