/usr/share/octave/packages/symbolic-2.6.0/eulergamma.m is in octave-symbolic 2.6.0-3build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | %% Copyright (C) 2015 Carnë Draug
%% Copyright (C) 2016 Colin B. Macdonald
%%
%% This file is part of OctSymPy.
%%
%% OctSymPy is free software; you can redistribute it and/or modify
%% it under the terms of the GNU General Public License as published
%% by the Free Software Foundation; either version 3 of the License,
%% or (at your option) any later version.
%%
%% This software is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty
%% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
%% the GNU General Public License for more details.
%%
%% You should have received a copy of the GNU General Public
%% License along with this software; see the file COPYING.
%% If not, see <http://www.gnu.org/licenses/>.
%% -*- texinfo -*-
%% @documentencoding UTF-8
%% @deffn Constant eulergamma ()
%% Return Euler--Mascheroni constant.
%%
%% @example
%% @group
%% @c doctest: +XFAIL_IF(python_cmd('return Version(spver) <= Version("1.0")'))
%% eulergamma
%% @result{} (sym) γ
%%
%% vpa (eulergamma ())
%% @result{} (sym) 0.57721566490153286060651209008240
%% @end group
%% @end example
%%
%% @seealso{catalan}
%% @end deffn
%% Author: Carnë Draug
%% Keywords: symbolic, constants
function g = eulergamma ()
g = python_cmd ('return sympy.S.EulerGamma,');
end
%!assert (double (eulergamma ()) > 0.577215664901)
%!assert (double (eulergamma ()) < 0.577215664902)
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