nag_eigen_real_gen_sparse_arnoldi (f02ekc) Example Program Results The 5 Ritz values of closest to 5.50000e+00 are 1 ( 6.01781e+00, -8.00277e-01) 2 ( 6.01781e+00, 8.00277e-01) 3 ( 4.34309e+00, -1.94557e+00) 4 ( 4.34309e+00, 1.94557e+00) 5 ( 7.14535e+00, 0.00000e+00)