nag_real_eigensystem_sel (f02ecc) Example Program Data
  4  0.2  0.5                 :Values of n, wl, wu
  0.35   0.45  -0.14  -0.17
  0.09   0.07  -0.54   0.35
 -0.44  -0.33  -0.03   0.17
  0.25  -0.32  -0.13   0.11   :End of matrix a