/usr/share/octave/packages/3.2/optim-1.0.17/wrap_f_dfdp.m is in octave-optim 1.0.17-1.
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 | %% Copyright (C) 2010 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 [ret1, ret2] = wrap_f_dfdp (f, dfdp, varargin)
%% [ret1, ret2] = wrap_f_dfdp (f, dfdp, varargin)
%%
%% f and dftp should be the objective function (or "model function" in
%% curve fitting) and its jacobian, respectively, of an optimization
%% problem. ret1: f (varagin{:}), ret2: dfdp (varargin{:}). ret2 is
%% only computed if more than one output argument is given. This
%% manner of calling f and dfdp is needed by some optimization
%% functions.
if (nargin < 3)
print_usage ();
end
if (ischar (f))
f = str2func (f);
end
if (ischar (dfdp))
dfdp = str2func (dfdp);
end
ret1 = f (varargin{:});
if (nargout > 1)
ret2 = dfdp (varargin{:});
end
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