Mercurial > octave-nkf
view scripts/ode/private/AbsRel_Norm.m @ 20598:ea6a1c00763a
fix interpolation bug introduced with 87b557ee8e5d
* ode_rk_interpolate.m(hermite_quartic_interpolation):
fix typo that lead to incorrect size for interpolated values.
author | Carlo de Falco <carlo.defalco@polimi.it> |
---|---|
date | Tue, 06 Oct 2015 22:14:41 +0200 |
parents | b7ac1e94266e |
children |
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## Copyright (C) 2014, Jacopo Corno <jacopo.corno@gmail.com> ## Copyright (C) 2013, Roberto Porcu' <roberto.porcu@polimi.it> ## ## This file is part of Octave. ## ## Octave 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. ## ## Octave 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 Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. function res = AbsRel_Norm (x, x_old, AbsTol, RelTol, normcontrol, y) n = length (x); if (nargin == 5) y = zeros (size (x)); elseif (nargin != 6) error ("OdePkg:InvalidArgument", "invalid number of input arguments"); endif if (length (x_old) != n || length (y) != n) error ("OdePkg:InvalidArgument", "invalid dimensions of input arguments"); endif if ((length (AbsTol) != 1 && length (AbsTol) != n) || (length (RelTol) != 1 && length (RelTol) != n)) error ("OdePkg:InvalidArgument", "invalid dimensions of input arguments"); endif sc = AbsTol + max (abs (x), abs (x_old)) .* RelTol; if (normcontrol) res = max (abs (x - y) ./ sc); else res = sqrt ((1 / n) * sum (((x - y) ./ sc).^2)); endif endfunction