nag_zheevd (f08fqc) Example Program Results Eigenvalues 1 -4.2443 2 -0.6886 3 1.1412 4 13.7916 Eigenvectors 1 2 3 4 1 1.0000 1.0000 1.0000 1.0000 0.0000 0.0000 -0.0000 -0.0000 2 0.6022 -0.7703 0.0516 1.1508 -0.7483 -0.1746 1.2795 -0.0404 3 -0.6540 0.4559 -1.1962 1.3404 -0.7642 0.4892 -0.2954 0.2188 4 -0.9197 -0.3464 0.7876 1.3674 0.7044 -0.4448 -0.5075 0.8207