Command Reference : Matrix Language Reference
  
 
@det
Syntax: @det(m)
Argument: matrix or sym, m
Return: scalar
Calculate the determinant of the square matrix or sym, m. The determinant is nonzero for a nonsingular matrix and 0 for a singular matrix. Example:
scalar sc1 = @det(m1)
vec4(2) = @det(s2)
See also @rank.