nag_real_symm_general_eigensystem (f02aec) Example Program Data
  4
   0.5   1.5   6.6   4.8     1.0   3.0   4.0   1.0
   1.5   6.5  16.2   8.6     3.0  13.0  16.0  11.0
   6.6  16.2  37.6   9.8     4.0  16.0  24.0  18.0
   4.8   8.6   9.8 -17.1     1.0  11.0  18.0  27.0