Example program for dsgesv

This example solves the equations
Ax = b ,  
where A is the general matrix
A = 1.80 2.88 2.05 -0.89 5.25 -2.95 -0.95 -3.80 1.58 -2.69 -2.90 -1.04 -1.11 -0.66 -0.59 0.80   and   b = 9.52 24.35 0.77 -6.22 .