nag_sparse_real_symm_precon_ichol_solve (f11jbc) Example Program Data
  9                  : n
 23                  : nnz
  4.   1    1
 -1.   2    1
  6.   2    2
  1.   3    2
  2.   3    3
  3.   4    4
  2.   5    1
  4.   5    5
  1.   6    3
  2.   6    4
  6.   6    6
 -4.   7    2
  1.   7    5
 -1.   7    6
  6.   7    7
 -1.   8    4
 -1.   8    6
  3.   8    8
  1.   9    1
  1.   9    5
 -1.   9    6
  1.   9    8
  4.   9    9          : a[i], irow[i], icol[i], i=0,...,nnz-1
  4.10 -2.94  1.41
  2.53  4.35  1.29
  5.01  0.52  4.57     : y[i], i=0,...,n-1