NAG Library Manual, Mark 30.2
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NAG CL Interface Introduction
Example description

nag_lapackeig_dstevx (f08jbc) Example Program Results

Number of eigenvalues found =    2

Eigenvalues
  0.6476   3.5470 

 Selected eigenvectors
         1       2
 1   0.9396  0.3388
 2  -0.3311  0.8628
 3   0.0853 -0.3648
 4  -0.0167  0.0879