sjkaliski/numbers.js — pull request #41 by philipithomas (2012-12-14 00:01:56+00:00)
Title: Update determinant function

I updated the determinant function. It now handles matrices of any size.

In addition, I added a unit test for a 5x4 matrix.

I built it using a diagonal method:
http://demonstrations.wolfram.com/33DeterminantsUsingDiagonals/

In the future, replacing this function with a decomposition method would be more efficient.