nag_dsyev (f08fac) Example Program Results Eigenvalues -2.0531 -0.5146 -0.2943 12.8621 Eigenvectors 1 2 3 4 1 1.0000 1.0000 1.0000 1.0000 2 0.5129 -0.9431 -2.3976 1.0777 3 -0.2240 -1.0537 2.3508 1.2393 4 -0.8518 0.8831 -0.8879 1.4972 Error estimate for the eigenvalues 1.4e-15 Error estimates for the eigenvectors 9.3e-16 6.5e-15 6.5e-15 1.1e-16