nag_sparse_nherm_sort (f11znc) Example Program Results
Original elements
n = 5
nnz = 15
i a irow icol
0 ( 4.0000e+00, 1.0000e+00) 3 1
1 ( -2.0000e+00, 6.0000e+00) 5 2
2 ( 1.0000e+00, -3.0000e+00) 4 4
3 ( -2.0000e+00, -1.0000e+00) 4 2
4 ( -3.0000e+00, 0.0000e+00) 5 5
5 ( 1.0000e+00, 2.0000e+00) 1 2
6 ( 0.0000e+00, 0.0000e+00) 1 5
7 ( 1.0000e+00, 3.0000e+00) 3 5
8 ( -1.0000e+00, -1.0000e+00) 2 4
9 ( 6.0000e+00, -3.0000e+00) 5 5
10 ( 2.0000e+00, 6.0000e+00) 1 1
11 ( 2.0000e+00, 1.0000e+00) 4 2
12 ( 1.0000e+00, 0.0000e+00) 2 3
13 ( 0.0000e+00, -3.0000e+00) 3 3
14 ( 2.0000e+00, 2.0000e+00) 4 5
Reordered elements
nnz = 11
i a irow icol
0 ( 2.0000e+00, 6.0000e+00) 1 1
1 ( 1.0000e+00, 2.0000e+00) 1 2
2 ( 1.0000e+00, 0.0000e+00) 2 3
3 ( -1.0000e+00, -1.0000e+00) 2 4
4 ( 4.0000e+00, 1.0000e+00) 3 1
5 ( 0.0000e+00, -3.0000e+00) 3 3
6 ( 1.0000e+00, 3.0000e+00) 3 5
7 ( 1.0000e+00, -3.0000e+00) 4 4
8 ( 2.0000e+00, 2.0000e+00) 4 5
9 ( -2.0000e+00, 6.0000e+00) 5 2
10 ( 3.0000e+00, -3.0000e+00) 5 5