nag_sparse_nherm_precon_ilu_solve (f11dpc) Example Program Results Solution of linear system ( 1.0000e+00, 4.0000e+00) ( 2.0000e+00, 3.0000e+00) ( 3.0000e+00, -2.0000e+00) ( 4.0000e+00, -1.0000e+00)