The Matlab[det] command computes the determinant of a matrix using MATLAB®.

Since constants are considered one-by-one matrices, the determinant of a constant returns the constant.

Executing the Matlab[det] command returns a float.

$\mathrm{with}\left(\mathrm{Matlab}\right)\:$

$\mathrm{maplematrix\_a}≔\mathrm{Matrix}\left(\left[\left[1\,3\,5\right]\,\left[6\,4\,2\right]\,\left[7\,8\,1\right]\right]\right)\:$

$\mathrm{Matlab}\left[\det \right]\left(\mathrm{maplematrix\_a}\right)$

$\mathrm{Matlab}\left[\mathrm{setvar}\right]\left(''matlabmatrix\_a''\,\mathrm{maplematrix\_a}\right)$

$\mathrm{Matlab}\left[\mathrm{evalM}\right]\left(''matlabmatrix\_b\; =\; matlabmatrix\_a\; ^\; 2''\right)$

$\mathrm{Matlab}\left[\det \right]\left(''matlabmatrix\_b''\right)$