X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Foptim-1.2.0%2Fdcdp.m;fp=octave_packages%2Foptim-1.2.0%2Fdcdp.m;h=417d171847e4f929c38c6204624717a39dbf10ac;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05 diff --git a/octave_packages/optim-1.2.0/dcdp.m b/octave_packages/optim-1.2.0/dcdp.m new file mode 100644 index 0000000..417d171 --- /dev/null +++ b/octave_packages/optim-1.2.0/dcdp.m @@ -0,0 +1,42 @@ +%% Copyright (C) 2010, 2011 Olaf Till +%% +%% 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 . + +%% function prt = dcdp (f, p, dp, func[, bounds]) +%% +%% This is an interface to __dfdp__.m, similar to dfdp.m, but for +%% functions only of parameters 'p', not of independents 'x'. See +%% dfdp.m. +%% +%% dfpdp is more general and is meant to be used instead of dcdp in +%% optimization. + +function prt = dcdp (f, p, dp, func, bounds) + + if (ischar (func)) + func = str2func (func); + end + + hook.f = f; + + if (nargin > 4) + hook.lbounds = bounds(:, 1); + hook.ubounds = bounds(:, 2); + end + + hook.diffp = abs (dp); + hook.fixed = dp == 0; + hook.diff_onesided = dp < 0; + + prt = __dfdp__ (p, func, hook);