PDL::GSLSF::ZETA (3)

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NAME

PDL::GSLSF::ZETA - PDL interface to GSL Special Functions

DESCRIPTION

This is an interface to the Special Function package present in the Scientific Library.

SYNOPSIS

FUNCTIONS

gsl_sf_zeta

  Signature: (double x(); double [o]y(); double [o]e())

Riemann Zeta Function zeta(x) = Sum[ k^(-s), {k,1,Infinity} ], s != 1.0

gsl_sf_zeta does not process bad values. It will set the bad-value flag of all output piddles if the flag is set for any of the input piddles.

gsl_sf_hzeta

  Signature: (double s(); double [o]y(); double [o]e(); double q)

Hurwicz Zeta Function zeta(s,q) = Sum[ (k+q)^(-s), {k,0,Infinity} ]

gsl_sf_hzeta does not process bad values. It will set the bad-value flag of all output piddles if the flag is set for any of the input piddles.

gsl_sf_eta

  Signature: (double x(); double [o]y(); double [o]e())

Eta Function eta(s) = (1-2^(1-s)) zeta(s)

gsl_sf_eta does not process bad values. It will set the bad-value flag of all output piddles if the flag is set for any of the input piddles.

AUTHOR

This file copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> All rights reserved. There is no warranty. You are allowed to redistribute this software / documentation under certain conditions. For details, see the file in the distribution. If this file is separated from the distribution, the copyright notice should be included in the file.

The

modules were written by G. Jungman.