**LA_GESV** computes the solution to a real or complex linear system of
equations , where is a square matrix and and are
rectangular matrices or vectors. Gaussian elimination with row interchanges
is used to factor as ,
where is a permutation matrix, is unit lower
triangular, and is upper triangular. The factored form of
is then used to solve the above system.

Susan Blackford 2001-08-19