/usr/share/octave/packages/quaternion-2.2.2/@quaternion/ldivide.m is in octave-quaternion 2.2.2-1.
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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 | ## Copyright (C) 2010-2014 Lukas F. Reichlin
##
## 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/>.
## -*- texinfo -*-
## Element-wise left division for quaternions. Used by Octave for "q1 .\\ q2".
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: May 2010
## Version: 0.2
function q = ldivide (a, b)
if (nargin != 2)
error ("quaternion: ldivide: this is a binary operator");
endif
q = a.^-1 .* b;
endfunction
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