# Inverse matrix

Revision as of 12:17, 11 February 2008 by Dduque (talk | contribs) (New page: In linear algebra, an square matrix <math>A</math> is called '''invertible''' or '''non-singular''' if there exists a matrix <math>B</math> such that :<math>AB = BA = I, \ </math> wh...)

In linear algebra, an square matrix is called **invertible** or **non-singular** if there exists a matrix such that

where is the identity matrix.