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