/usr/share/octave/packages/optim-1.4.0/private/__plot_cmds__.m is in octave-optim 1.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 49 50 51 52 | ## Copyright (C) 2010-2013 Olaf Till <i7tiol@t-online.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;
endif
if (length (size (f)) > 2)
return;
endif
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));
endif
use_x = size (x, 1) == size (y, 1);
endif
x = x(:, 1);
if (use_x)
plot (x, y, "marker", "+", "linestyle", "none", x, f);
else
plot (y, "marker", "+", "linestyle", "none", f);
endif
legend (lgnd);
drawnow;
endfunction
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