Example description

 F07CBF Example Program Results

 Solution(s)
             1          2
 1     -4.0000     5.0000
 2      7.0000    -4.0000
 3      3.0000    -3.0000
 4     -4.0000    -2.0000
 5     -3.0000     1.0000

 Backward errors (machine-dependent)
       7.2E-17    5.9E-17

 Estimated forward error bounds (machine-dependent)
       9.4E-15    1.4E-14

 Estimate of reciprocal condition number
       1.1E-02