BESSEL(3)						User Contributed Perl Documentation						 BESSEL(3)

NAME

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

DESCRIPTION

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

SYNOPSIS

Functions
FUNCTIONS

       gsl_sf_bessel_Jn

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

       Regular Bessel Function J_n(x).

       gsl_sf_bessel_J_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of Regular Bessel Functions J_{s}(x) to J_{s+n-1}(x).

       gsl_sf_bessel_Yn

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

       IrRegular Bessel Function Y_n(x).

       gsl_sf_bessel_Y_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of Regular Bessel Functions Y_{s}(x) to Y_{s+n-1}(x).

       gsl_sf_bessel_In

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

       Regular Modified Bessel Function I_n(x).

       gsl_sf_bessel_I_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of Regular Modified Bessel Functions I_{s}(x) to I_{s+n-1}(x).

       gsl_sf_bessel_In_scaled

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

       Scaled Regular Modified Bessel Function exp(-|x|) I_n(x).

       gsl_sf_bessel_I_scaled_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of Scaled Regular Modified Bessel Functions exp(-|x|) I_{s}(x) to exp(-|x|) I_{s+n-1}(x).

       gsl_sf_bessel_Kn

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

       IrRegular Modified Bessel Function K_n(x).

       gsl_sf_bessel_K_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of IrRegular Modified Bessel Functions K_{s}(x) to K_{s+n-1}(x).

       gsl_sf_bessel_Kn_scaled

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

       Scaled IrRegular Modified Bessel Function exp(-|x|) K_n(x).

       gsl_sf_bessel_K_scaled_array

	 Signature: (double x(); double [o]y(num); int s; int n=>num)

       Array of Scaled IrRegular Modified Bessel Functions exp(-|x|) K_{s}(x) to exp(-|x|) K_{s+n-1}(x).

       gsl_sf_bessel_jl

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

       Regular Sphericl Bessel Function J_n(x).

       gsl_sf_bessel_j_array

	 Signature: (double x(); double [o]y(num); int n=>num)

       Array of Spherical Regular Bessel Functions J_{0}(x) to J_{n-1}(x).

       gsl_sf_bessel_yl

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

       IrRegular Spherical Bessel Function y_n(x).

       gsl_sf_bessel_y_array

	 Signature: (double x(); double [o]y(num); int n=>num)

       Array of Regular Spherical Bessel Functions y_{0}(x) to y_{n-1}(x).

       gsl_sf_bessel_il_scaled

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

       Scaled Regular Modified Spherical Bessel Function exp(-|x|) i_n(x).

       gsl_sf_bessel_i_scaled_array

	 Signature: (double x(); double [o]y(num); int n=>num)

       Array of Scaled Regular Modified Spherical Bessel Functions exp(-|x|) i_{0}(x) to exp(-|x|) i_{n-1}(x).

       gsl_sf_bessel_kl_scaled

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

       Scaled IrRegular Modified Spherical Bessel Function exp(-|x|) k_n(x).

       gsl_sf_bessel_k_scaled_array

	 Signature: (double x(); double [o]y(num); int n=>num)

       Array of Scaled IrRegular Modified Spherical Bessel Functions exp(-|x|) k_{s}(x) to exp(-|x|) k_{s+n-1}(x).

       gsl_sf_bessel_Jnu

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

       Regular Cylindrical Bessel Function J_nu(x).

       gsl_sf_bessel_Ynu

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

       IrRegular Cylindrical Bessel Function J_nu(x).

       gsl_sf_bessel_Inu_scaled

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

       Scaled Modified Cylindrical Bessel Function exp(-|x|) I_nu(x).

       gsl_sf_bessel_Inu

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

       Modified Cylindrical Bessel Function I_nu(x).

       gsl_sf_bessel_Knu_scaled

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

       Scaled Modified Cylindrical Bessel Function exp(-|x|) K_nu(x).

       gsl_sf_bessel_Knu

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

       Modified Cylindrical Bessel Function K_nu(x).

       gsl_sf_bessel_lnKnu

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

       Logarithm of Modified Cylindrical Bessel Function K_nu(x).

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 COPYING in the PDL distribution. If this
       file is separated from the PDL distribution, the copyright notice should be included in the file.

       The GSL SF modules were written by G. Jungman.

perl v5.8.0							    2003-01-29								 BESSEL(3)