X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fsymbolic-1.1.0%2Fsplot.m;fp=octave_packages%2Fsymbolic-1.1.0%2Fsplot.m;h=2a63f2c9f31cf59f5afe86e70898c820e806bbbc;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/symbolic-1.1.0/splot.m b/octave_packages/symbolic-1.1.0/splot.m
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+## Copyright (C) 2002 Ben Sapp <bsapp@nua.lampf.lanl.gov>
+##
+## This program 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 2 of the License, or
+## (at your option) any later version.
+## 
+## This program 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 program; If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} splot(@var{f},@var{x},@var{range})
+## Plot a symbolic function f(x) over range.
+## @end deftypefn
+
+function splot(expression,symbol,range)
+  ## we should be a little smarter about this
+  t = linspace(min(range),max(range),400);
+  x = zeros(size(t));
+  j = 1;
+  for i = t
+    x(j) = to_double(subs(expression,symbol,vpa(t(j))));
+    j++;
+  endfor
+
+  plot(t,x);
+endfunction