nag_real_polygamma (s14aec) Example Program Results

   x      k    (d^k/dx^k)psi(x)
  1.0     0      -5.7722e-01
  0.5     1       4.9348e+00
 -3.6     2      -2.2335e+01
  8.0     3       4.6992e-03
  2.9     4      -1.5897e-01
 -4.7     5       1.6566e+05
 -5.4     6       4.1378e+05