Query: pdl::gslsf::expint
OS: redhat
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
EXPINT(3) User Contributed Perl Documentation EXPINT(3)NAMEPDL::GSLSF::EXPINT - PDL interface to GSL Special FunctionsDESCRIPTIONThis is an interface to the Special Function package present in the GNU Scientific Library.SYNOPSISFunctionsFUNCTIONSgsl_sf_expint_E1 Signature: (double x(); double [o]y(); double [o]e()) E_1(x) := Re[ Integrate[ Exp[-xt]/t, {t,1,Infinity}] ] gsl_sf_expint_E2 Signature: (double x(); double [o]y(); double [o]e()) E_2(x) := Re[ Integrate[ Exp[-xt]/t^2, {t,1,Infity}] ] gsl_sf_expint_Ei Signature: (double x(); double [o]y(); double [o]e()) Ei(x) := PV Integrate[ Exp[-t]/t, {t,-x,Infinity}] gsl_sf_Shi Signature: (double x(); double [o]y(); double [o]e()) Shi(x) := Integrate[ Sinh[t]/t, {t,0,x}] gsl_sf_Chi Signature: (double x(); double [o]y(); double [o]e()) Chi(x) := Re[ M_EULER + log(x) + Integrate[(Cosh[t]-1)/t, {t,0,x}] ] gsl_sf_expint_3 Signature: (double x(); double [o]y(); double [o]e()) Ei_3(x) := Integral[ Exp[-t^3], {t,0,x}] gsl_sf_Si Signature: (double x(); double [o]y(); double [o]e()) Si(x) := Integrate[ Sin[t]/t, {t,0,x}] gsl_sf_Ci Signature: (double x(); double [o]y(); double [o]e()) Ci(x) := -Integrate[ Cos[t]/t, {t,x,Infinity}] gsl_sf_atanint Signature: (double x(); double [o]y(); double [o]e()) AtanInt(x) := Integral[ Arctan[t]/t, {t,0,x}]AUTHORThis 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 EXPINT(3)