NAG Library Manual, Mark 28.4
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NAG CL Interface Introduction
Example description

nag_sparseig_feast_real_gen_solve (f12jkc) Example Program Results

 Eigenvalues
 (   3.5000e+00,    2.1000e+00)  (   1.5500e+00,    3.7081e-01) 

 Right Eigenvectors
               1             2
 1   -4.7714e-01    4.1633e-16
     -3.8792e-01   -1.8117e-16

 2   -8.2071e-17   -1.1895e-01
      9.6494e-17    8.1251e-01

 3    3.8792e-01   -4.5753e-17
     -4.7714e-01    5.6845e-16

 4    5.9631e-19   -4.9155e-17
      2.5208e-17   -9.8662e-18

 5   -7.4967e-17   -1.9946e-01
     -3.1005e-17    4.8606e-02

 Left Eigenvectors
               1             2
 1   -6.3089e-01   -2.7696e-16
     -5.1292e-01   -1.3112e-16

 2    2.1531e-16    1.5551e-01
      1.2552e-16    6.3814e-01

 3    5.1292e-01    1.2297e-16
     -6.3089e-01   -3.1057e-16

 4   -3.2355e-16   -3.7428e-16
     -2.0524e-16    1.6866e-17

 5   -1.0733e-15   -2.5996e+00
     -8.6330e-18   -3.8057e-01