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