--- /dev/null
+%% Copyright (C) 2010, 2011 Olaf Till <olaf.till@uni-jena.de>
+%%
+%% 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 3 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/>.
+
+function __plot_cmds__ (x, y, f)
+
+ persistent lgnd;
+ persistent use_x;
+ if (nargin == 0)
+ %% reset function
+ lgnd = [];
+ return;
+ end
+
+ if (length (size (f)) > 2)
+ return;
+ end
+
+ if (isempty (lgnd));
+ n = size (y, 2);
+ if (n == 1)
+ lgnd = {'data', 'fit'};
+ else
+ id = num2str ((1:n).');
+ lgnd1 = cat (2, repmat ('data ', n, 1), id);
+ lgnd2 = cat (2, repmat ('fit ', n, 1), id);
+ lgnd = cat (1, cellstr (lgnd1), cellstr (lgnd2));
+ end
+ use_x = size (x, 1) == size (y, 1);
+ end
+
+ x = x(:, 1);
+ if (use_x)
+ plot (x, y, 'marker', '+', 'linestyle', 'none', x, f);
+ else
+ plot (y, 'marker', '+', 'linestyle', 'none', f);
+ end
+ legend (lgnd);
+ drawnow;