Example description

 F07AAF Example Program Results

 Solution
        1.0000    -1.0000     3.0000    -5.0000

 Details of factorization
             1          2          3          4
 1      5.2500    -2.9500    -0.9500    -3.8000
 2      0.3429     3.8914     2.3757     0.4129
 3      0.3010    -0.4631    -1.5139     0.2948
 4     -0.2114    -0.3299     0.0047     0.1314

 Pivot indices
             2          2          3          4