Mercurial > forge
view main/quaternion/inst/qi.m @ 9921:8bb074384554 octave-forge
quaternion: add missing ## -*- texinfo -*-
author | paramaniac |
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date | Fri, 30 Mar 2012 08:26:56 +0000 |
parents | 8ad402be2313 |
children |
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## Copyright (C) 2010 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 -*- ## @deftypefn {Function File} {} qi ## Create x-component of a quaternion's vector part. ## ## @example ## q = w + x*qi + y*qj + z*qk ## @end example ## ## @strong{Example} ## @example ## @group ## octave:1> q1 = quaternion (1, 2, 3, 4) ## q1 = 1 + 2i + 3j + 4k ## octave:2> q2 = 1 + 2*qi + 3*qj + 4*qk ## q2 = 1 + 2i + 3j + 4k ## octave:3> ## @end group ## @end example ## ## @end deftypefn ## Author: Lukas Reichlin <lukas.reichlin@gmail.com> ## Created: May 2010 ## Version: 0.1 function q = qi if (nargin != 0) print_usage (); endif q = quaternion (0, 1, 0, 0); endfunction