1DILOG(3) User Contributed Perl Documentation DILOG(3)
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6 PDL::GSLSF::DILOG - PDL interface to GSL Special Functions
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9 This is an interface to the Special Function package present in the GNU
10 Scientific Library.
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13 gsl_sf_dilog
14 Signature: (double x(); double [o]y(); double [o]e())
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16 /* Real part of DiLogarithm(x), for real argument. In Lewins notation,
17 this is Li_2(x). Li_2(x) = - Re[ Integrate[ Log[1-s] / s, {s, 0, x}] ]
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19 gsl_sf_dilog does not process bad values. It will set the bad-value
20 flag of all output ndarrays if the flag is set for any of the input
21 ndarrays.
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23 gsl_sf_complex_dilog
24 Signature: (double r(); double t(); double [o]re(); double [o]im(); double [o]ere(); double [o]eim())
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26 DiLogarithm(z), for complex argument z = r Exp[i theta].
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28 gsl_sf_complex_dilog does not process bad values. It will set the bad-
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30 input ndarrays.
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33 This file copyright (C) 1999 Christian Pellegrin
34 <chri@infis.univ.trieste.it> All rights reserved. There is no warranty.
35 You are allowed to redistribute this software / documentation under
36 certain conditions. For details, see the file COPYING in the PDL
37 distribution. If this file is separated from the PDL distribution, the
38 copyright notice should be included in the file.
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40 The GSL SF modules were written by G. Jungman.
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44perl v5.34.0 2022-02-28 DILOG(3)