det

det -- the determinant of a matrix

Syntax

det(M: MAT): RINGELEM

Description

This function returns the determinant of the matrix M.

Example

/**/  use R ::= QQ[x];
/**/  M := mat(R,[[x,x^2], [x,x^3]]);
/**/  det(M);
x^4 -x^3

/**/ det(mat(QQ,[[1,2], [0,5]]));
5

See Also