1 ## Copyright (C) 2002 Ben Sapp <bsapp@nua.lampf.lanl.gov>
3 ## This program is free software; you can redistribute it and/or modify
4 ## it under the terms of the GNU General Public License as published by
5 ## the Free Software Foundation; either version 2 of the License, or
6 ## (at your option) any later version.
8 ## This program is distributed in the hope that it will be useful,
9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 ## GNU General Public License for more details.
13 ## You should have received a copy of the GNU General Public License
14 ## along with this program; If not, see <http://www.gnu.org/licenses/>.
17 ## @deftypefn {Function File} splot(@var{f},@var{x},@var{range})
18 ## Plot a symbolic function f(x) over range.
21 function splot(expression,symbol,range)
22 ## we should be a little smarter about this
23 t = linspace(min(range),max(range),400);
27 x(j) = to_double(subs(expression,symbol,vpa(t(j))));