- Loadable Function: z = gsl_sf_psi_1_int (arg1)
- Loadable Function: [z, err] = gsl_sf_psi_1_int (…)
-
Computes the Trigamma function \psi(n) for positive integer n.
err contains an estimate of the absolute error in the value z.
This function is from the GNU Scientific Library, see http://www.gnu.org/software/gsl/ for documentation.
Package: gsl