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

NAG CL Interface Introduction
Example description

nag_eigen_real_gen_sparse_arnoldi (f02ekc) Example Program Results

 The    5  Ritz values of closest to   5.50000e+00 are 
       1  (   6.01781e+00,  -8.00277e-01) 
       2  (   6.01781e+00,   8.00277e-01) 
       3  (   4.34309e+00,  -1.94557e+00) 
       4  (   4.34309e+00,   1.94557e+00) 
       5  (   7.14535e+00,   0.00000e+00)