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vertcat.m    35 lines (27 with data), 1.1 kB

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## 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 -*-
## Vertical concatenation of quaternions. Used by Octave for "[q1; q2]".
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: May 2010
## Version: 0.1
function q = vertcat (varargin)
tmp = cellfun (@quaternion, varargin); # uniformoutput = true !
w = vertcat (tmp.w);
x = vertcat (tmp.x);
y = vertcat (tmp.y);
z = vertcat (tmp.z);
q = quaternion (w, x, y, z);
endfunction