1 ## Copyright (C) 2008-2012 David Bateman
3 ## This file is part of Octave.
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
20 ## @deftypefn {Function File} {} symvar (@var{s})
21 ## Identify the argument names in the function defined by a string.
22 ## Common constant names such as @code{pi}, @code{NaN}, @code{Inf},
23 ## @code{eps}, @code{i} or @code{j} are ignored. The arguments that are
24 ## found are returned in a cell array of strings. If no variables are
25 ## found then the returned cell array is empty.
28 function args = symvar (s)
29 args = argnames (inline (s));
32 ## This function is tested by the tests for argnames().