nag_lapackeig_dtrexc (f08qfc) Example Program Data
  4                           :Value of N
  0.80  -0.11   0.01   0.03
  0.00  -0.10   0.25   0.35
  0.00  -0.65  -0.10   0.20
  0.00   0.00   0.00  -0.10   :End of matrix T
  2  1                        :Values of IFST and ILST