The determinant of a matrix M is written as either $|{\bf~M}|$ or det( M ).

The determinant of a 2x2 matrix $\left[\begin{matrix}a&b\\c&d\end{matrix}\right]$ is $\left|\begin{matrix}a&b\\c&d\end{matrix}\right|=ad-bc$

Determinants can be used to find the vector cross product.



Last change to this page
Full Page history
Links to this page
Edit this page
  (with sufficient authority)
Change password
Recent changes
All pages
Search