Example description

nag_sparse_sym_chol_fac (f11jac) Example Program Results

 Original Matrix 
 n     =      7
 nnz   =     16

        1      4.0000e+00       1       1
        2      1.0000e+00       2       1
        3      5.0000e+00       2       2
        4      2.0000e+00       3       3
        5      2.0000e+00       4       2
        6      3.0000e+00       4       4
        7     -1.0000e+00       5       1
        8      1.0000e+00       5       4
        9      4.0000e+00       5       5
       10      1.0000e+00       6       2
       11     -2.0000e+00       6       5
       12      3.0000e+00       6       6
       13      2.0000e+00       7       1
       14     -1.0000e+00       7       2
       15     -2.0000e+00       7       3
       16      5.0000e+00       7       7

 Factorization
 n =      7 
 nnz =     16
 npivm =      0

       17      5.0000e-01       1       1
       18      3.3333e-01       2       2
       19      3.3333e-01       3       2
       20      2.7273e-01       3       3
       21     -5.4545e-01       4       3
       22      5.2381e-01       4       4
       23     -2.7273e-01       5       3
       24      2.6829e-01       5       5
       25      6.6667e-01       6       2
       26      5.2381e-01       6       4
       27      2.6829e-01       6       5
       28      3.4788e-01       6       6
       29     -1.0000e+00       7       1
       30      5.3659e-01       7       5
       31     -5.3455e-01       7       6
       32      9.0461e-01       7       7

        i     ipiv(i) 
        1       3
        2       4
        3       5
        4       6
        5       1
        6       2
        7       7