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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14 gsl_sf_dilog
15 Signature: (double x(); double [o]y(); double [o]e())
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17 /* Real part of DiLogarithm(x), for real argument. In Lewins notation,
18 this is Li_2(x). Li_2(x) = - Re[ Integrate[ Log[1-s] / s, {s, 0, x}] ]
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20 gsl_sf_dilog does not process bad values. It will set the bad-value
21 flag of all output ndarrays if the flag is set for any of the input
22 ndarrays.
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24 gsl_sf_complex_dilog
25 Signature: (double r(); double t(); double [o]re(); double [o]im(); double [o]ere(); double [o]eim())
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27 DiLogarithm(z), for complex argument z = r Exp[i theta].
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29 gsl_sf_complex_dilog does not process bad values. It will set the bad-
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34 This file copyright (C) 1999 Christian Pellegrin
35 <chri@infis.univ.trieste.it> All rights reserved. There is no warranty.
36 You are allowed to redistribute this software / documentation under
37 certain conditions. For details, see the file COPYING in the PDL
38 distribution. If this file is separated from the PDL distribution, the
39 copyright notice should be included in the file.
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41 The GSL SF modules were written by G. Jungman.
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45perl v5.34.0 2021-08-16 DILOG(3)