Module rgsl::psi::trigamma

Functions

psi_1

This routine computes the Trigamma function \psi’(x) for general x.

psi_1_e

This routine computes the Trigamma function \psi’(x) for general x.

psi_1_int

This routine computes the Trigamma function \psi’(n) for positive integer n.

psi_1_int_e

This routine computes the Trigamma function \psi’(n) for positive integer n.