Old revisionsBacklinksAdd to bookFold/unfold allBack to top Book Creator Add this page to your book Book Creator Remove this page from your book Manage book(0 page(s)) Help Determinant of a matrix \begin{equation} \DeclareMathOperator{\sgn}{sgn} \det(A) = \sum_{\sigma\in S_n}\left(\sgn\left(\sigma\right)\prod_{i=1}^n a_{i,\sigma_i}\right) \end{equation}