Example description

 F11DNF Example Program Results

  Original Matrix
 N     =   4
 NNZ   =  11
        1     (      0.1000E+01,      0.3000E+01)       1       2
        2     (      0.1000E+01,      0.0000E+00)       1       3
        3     (     -0.1000E+01,     -0.2000E+01)       2       1
        4     (      0.2000E+01,     -0.2000E+01)       2       3
        5     (      0.2000E+01,      0.1000E+01)       2       4
        6     (      0.0000E+00,      0.5000E+01)       3       1
        7     (     -0.2000E+01,      0.0000E+00)       3       4
        8     (      0.1000E+01,      0.1000E+01)       4       1
        9     (     -0.2000E+01,      0.4000E+01)       4       2
       10     (      0.1000E+01,     -0.3000E+01)       4       3
       11     (      0.0000E+00,      0.7000E+01)       4       4

  Factorization
 N     =   4
 NNZ   =  11
 NPIVM =   0
       12     (      0.1000E+00,     -0.3000E+00)       1       1
       13     (      0.1000E+00,     -0.3000E+00)       1       3
       14     (      0.0000E+00,     -0.2000E+00)       2       2
       15     (      0.0000E+00,      0.4000E+00)       2       4
       16     (     -0.4000E+00,      0.2000E+00)       3       2
       17     (      0.2500E+00,      0.2500E+00)       3       3
       18     (     -0.5000E-01,      0.6500E+00)       3       4
       19     (      0.1000E+01,      0.1000E+01)       4       1
       20     (      0.2000E+00,     -0.2000E+00)       4       2
       21     (      0.1000E+01,     -0.1000E+01)       4       3
       22     (     -0.4803E-01,     -0.1397E+00)       4       4

         I       IPIVP(I)  IPIVQ(I)
         1         1         2
         2         3         1
         3         2         3
         4         4         4