nag_sparseig_feast_complex_symm_solve (f12jsc) Example Program Results Eigenvalues ( 4.0000e-01, 4.0000e-01) ( -6.0000e-01, -6.0000e-01) Eigenvectors 1 2 1 0.2500 -0.2041 0.2500 -0.0000 2 0.2500 0.2041 0.2500 0.0000 3 -0.2500 -0.2041 -0.2500 0.0000 4 -0.2500 0.2041 -0.2500 -0.0000