nag_sparse_real_symm_basic_setup (f11gdc) Example Program Results Solve a system of linear equations using the conjugate gradient method (CG) Monitoring at iteration no. 2 residual norm: 1.9938e+00 Solution vector Residual vector 9.6320e-01 -2.2960e-01 1.9934e+00 2.2254e-01 3.0583e+00 9.5827e-02 4.1453e+00 -2.5155e-01 4.8289e+00 -1.7160e-01 5.6630e+00 6.7533e-01 7.1062e+00 -3.4737e-01 Monitoring at iteration no. 4 residual norm: 6.6574e-03 Solution vector Residual vector 9.9940e-01 -1.0551e-03 2.0011e+00 -2.4675e-03 3.0008e+00 -1.7116e-05 3.9996e+00 4.4929e-05 4.9991e+00 2.1359e-03 5.9993e+00 -8.7482e-04 7.0007e+00 6.2045e-05 Final Results Number of iterations for convergence: 5 Residual norm: 2.0428e-14 Right-hand side of termination criterion: 3.9200e-04 1-norm of matrix A: 1.0000e+01 Largest singular value of A_bar: 1.3596e+00 Solution Residual 1.0000e+00 0.0000e+00 2.0000e+00 0.0000e+00 3.0000e+00 -2.6645e-15 4.0000e+00 -3.5527e-15 5.0000e+00 -5.3291e-15 6.0000e+00 1.7764e-15 7.0000e+00 7.1054e-15