NAG Library Manual, Mark 30.3
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description
nag_sparseig_real_iter (f12abc) Example Program Results

 The    4 Ritz values of closest to unity are:

       1     (       1.0192 ,      0.0000 )
       2     (       0.9656 ,      0.0000 )
       3     (       1.0738 ,      0.0000 )
       4     (       0.9129 ,      0.0000 )