nag_real_sparse_eigensystem_option (f12adc) Example Program Results The 4 generalized Ritz values closest to unity are: 1 ( 1.0287 , 0.0000 ) 2 ( 1.0155 , 0.0000 ) 3 ( 1.0088 , 0.0000 ) 4 ( 1.0055 , 0.0000 )