BESSEL

Section: User Contributed Perl Documentation (3)
Updated: 2004-06-15
 

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.


 

Index

NAME
DESCRIPTION
SYNOPSIS
Functions
FUNCTIONS
gsl_sf_bessel_Jn
gsl_sf_bessel_J_array
gsl_sf_bessel_Yn
gsl_sf_bessel_Y_array
gsl_sf_bessel_In
gsl_sf_bessel_I_array
gsl_sf_bessel_In_scaled
gsl_sf_bessel_I_scaled_array
gsl_sf_bessel_Kn
gsl_sf_bessel_K_array
gsl_sf_bessel_Kn_scaled
gsl_sf_bessel_K_scaled_array
gsl_sf_bessel_jl
gsl_sf_bessel_j_array
gsl_sf_bessel_yl
gsl_sf_bessel_y_array
gsl_sf_bessel_il_scaled
gsl_sf_bessel_i_scaled_array
gsl_sf_bessel_kl_scaled
gsl_sf_bessel_k_scaled_array
gsl_sf_bessel_Jnu
gsl_sf_bessel_Ynu
gsl_sf_bessel_Inu_scaled
gsl_sf_bessel_Inu
gsl_sf_bessel_Knu_scaled
gsl_sf_bessel_Knu
gsl_sf_bessel_lnKnu
AUTHOR
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