NAG Library Manual, Mark 30.3
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NAG CL Interface Introduction
Example description

nag_lapackeig_dgeesx (f08pbc) Example Program Results

 Matrix A
         1       2       3       4
 1   0.3500  0.4500 -0.1400 -0.1700
 2   0.0900  0.0700 -0.5400  0.3500
 3  -0.4400 -0.3300 -0.0300  0.1700
 4   0.2500 -0.3200 -0.1300  0.1100

Number of eigenvalues for which select is true =    1

The selected eigenvalues are:
  1 (   7.9948e-01,    0.0000e+00)

Reciprocal of projection norm onto the invariant subspace
                          for the selected eigenvalues rconde =  9.9e-01

Reciprocal condition number for the invariant subspace rcondv =  8.2e-01

Approximate asymptotic error bound for selected eigenvalues   =  1.3e-16

Approximate asymptotic error bound for the invariant subspace =  1.6e-16