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qrpermute

PURPOSE ^

QRPERMUTE transpose or permute a quaternion array y=[x,p]

SYNOPSIS ^

function y=qrpermute(x,p)

DESCRIPTION ^

QRPERMUTE transpose or permute a quaternion array y=[x,p]

 Inputs:   x(4m,...)  Real quaternions array
           p          new order of dimensions [default [2 1 ...]

 Outputs:  y(4n,...)  output real quaternion array

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function y=qrpermute(x,p)
0002 %QRPERMUTE transpose or permute a quaternion array y=[x,p]
0003 %
0004 % Inputs:   x(4m,...)  Real quaternions array
0005 %           p          new order of dimensions [default [2 1 ...]
0006 %
0007 % Outputs:  y(4n,...)  output real quaternion array
0008 
0009 %      Copyright (C) Mike Brookes 2012
0010 %      Version: $Id: qrpermute.m 1619 2012-03-15 09:31:31Z dmb $
0011 %
0012 %   VOICEBOX is a MATLAB toolbox for speech processing.
0013 %   Home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html
0014 %
0015 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0016 %   This program is free software; you can redistribute it and/or modify
0017 %   it under the terms of the GNU General Public License as published by
0018 %   the Free Software Foundation; either version 2 of the License, or
0019 %   (at your option) any later version.
0020 %
0021 %   This program is distributed in the hope that it will be useful,
0022 %   but WITHOUT ANY WARRANTY; without even the implied warranty of
0023 %   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0024 %   GNU General Public License for more details.
0025 %
0026 %   You can obtain a copy of the GNU General Public License from
0027 %   http://www.gnu.org/copyleft/gpl.html or by writing to
0028 %   Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA.
0029 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0030 s=size(x);
0031 if nargin<2
0032     p=[2 1 3:length(s)];
0033 end
0034 s(1)=s(1)/4;
0035 t=s(p);
0036 t(1)=4*t(1);
0037 y=reshape(permute(reshape(x,[4 s]),[1 p+1]),t);

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