My algorithm for calculating matrix determinants isn't working as it should, so I'm turning to Ars for some maths help.<BR><BR><BR>So...<BR>I'm trying to find the determinant of a 4x4 matrix:<BR ...

The Theory of Determinants in the Historical Order of Development. Part i. Second edition. General Determinants up to 1841. Part ii. Special Determinants up to 1841. By Dr. T. Muir Pp. xii + 492.