Put a reference on eta function into tutorial.

[ginac.git] / doc / tutorial / ginac.texi

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index b83ba1c7e1094d434e453a64e6844f91108f055b..21e31b2c98501fc7581ceed6c3013e978dbbc3f1 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -24,7 +24,7 @@
 This is a tutorial that documents GiNaC @value{VERSION}, an open
 framework for symbolic computation within the C++ programming language.
 
 This is a tutorial that documents GiNaC @value{VERSION}, an open
 framework for symbolic computation within the C++ programming language.
 

-Copyright (C) 1999-2014 Johannes Gutenberg University Mainz, Germany
+Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany

 
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice
 
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice


@@ -52,7 +52,7 @@ notice identical to this one.
 
 @page
 @vskip 0pt plus 1filll
 
 @page
 @vskip 0pt plus 1filll

-Copyright @copyright{} 1999-2014 Johannes Gutenberg University Mainz, Germany
+Copyright @copyright{} 1999-2015 Johannes Gutenberg University Mainz, Germany

 @sp 2
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice
 @sp 2
 Permission is granted to make and distribute verbatim copies of
 this manual provided the copyright notice and this permission notice


@@ -135,7 +135,7 @@ the near future.
 
 @section License
 The GiNaC framework for symbolic computation within the C++ programming
 
 @section License
 The GiNaC framework for symbolic computation within the C++ programming

-language is Copyright @copyright{} 1999-2014 Johannes Gutenberg
+language is Copyright @copyright{} 1999-2015 Johannes Gutenberg

 University Mainz, Germany.
 
 This program is free software; you can redistribute it and/or
 University Mainz, Germany.
 
 This program is free software; you can redistribute it and/or


@@ -5858,6 +5858,9 @@ GiNaC contains the following predefined mathematical functions:
 @item @code{log(x)}
 @tab natural logarithm
 @cindex @code{log()}
 @item @code{log(x)}
 @tab natural logarithm
 @cindex @code{log()}

+@item @code{eta(x,y)}
+@tab Eta function: @code{eta(x,y) = log(x*y) - log(x) - log(y)}
+@cindex @code{eta()}

 @item @code{Li2(x)}
 @tab dilogarithm
 @cindex @code{Li2()}
 @item @code{Li2(x)}
 @tab dilogarithm
 @cindex @code{Li2()}