Example description

 F07BAF Example Program Results

 Solution
       -2.0000     3.0000     1.0000    -4.0000

 Details of factorization
             1          2          3          4
 1     -6.9800     2.4600    -2.7300    -2.1300
 2      0.0330     2.5600     2.4600     4.0700
 3                 0.9605    -5.9329    -3.8391
 4                            0.8057    -0.7269

 Pivot indices
             2          3          3          4