[Octave-cvsupdate] SF.net SVN: octave:[9138] trunk/octave-forge/extra/quaternion_oo

[<par...@us...>]

Revision: 9138
          http://octave.svn.sourceforge.net/octave/?rev=9138&view=rev
Author:   paramaniac
Date:     2011-11-19 15:43:51 +0000 (Sat, 19 Nov 2011)
Log Message:
-----------
quaternion_oo: add cat

Modified Paths:
--------------
    trunk/octave-forge/extra/quaternion_oo/INDEX

Added Paths:
-----------
    trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/cat.m

Modified: trunk/octave-forge/extra/quaternion_oo/INDEX
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/INDEX	2011-11-19 09:28:05 UTC (rev 9137)
+++ trunk/octave-forge/extra/quaternion_oo/INDEX	2011-11-19 15:43:51 UTC (rev 9138)
@@ -4,6 +4,7 @@
   @quaternion/abs
   @quaternion/conj
   @quaternion/diag
+  @quaternion/inv
   @quaternion/ispure
   @quaternion/rows
   @quaternion/columns
@@ -12,6 +13,7 @@
   @quaternion/norm
   @quaternion/exp
   @quaternion/log
+  @quaternion/cat
 Overloaded and Arithmetic Operators
   @quaternion/plus
   @quaternion/minus
@@ -19,7 +21,6 @@
   @quaternion/uminus
   @quaternion/times
   @quaternion/mtimes
-  @quaternion/inv
   @quaternion/rdivide
   @quaternion/ldivide
   @quaternion/mrdivide

Added: trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/cat.m
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/cat.m	                        (rev 0)
+++ trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/cat.m	2011-11-19 15:43:51 UTC (rev 9138)
@@ -0,0 +1,36 @@
+## Copyright (C) 2011   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} {@var{q} =} cat (@var{dim}, @var{q1}, @var{q2}, @dots{})
+## Concatenation of quaternions along dimension @var{dim}.
+## @end deftypefn
+
+## Author: Lukas Reichlin <luk...@gm...>
+## Created: November 2011
+## Version: 0.1
+
+function q = cat (dim, varargin)
+
+  qstr = cellfun (@quaternion, varargin);  # uniformoutput = true !
+
+  w = cat (dim, qstr.w);
+  x = cat (dim, qstr.x);
+  y = cat (dim, qstr.y);
+  z = cat (dim, qstr.z);
+
+  q = quaternion (w, x, y, z);
+
+endfunction

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