svd0

(Toolbox/svd0.m in BrainStorm 2.0 (Alpha))

Function Synopsis

[U,S,V] = svd0(A);

Help Text

SVD0 - Economy SVD in both U and V, S returned sparse diagonal
 function [U,S,V] = svd0(A);
 See also SVD

Cross-Reference Information

data_selector_cb                   C:\BrainStorm_2001\Toolbox\data_selector_cb.m
parametric_estimation              C:\BrainStorm_2001\Toolbox\parametric_estimation.m

Listing of function C:\BrainStorm_2001\Toolbox\svd0.m

function [U,S,V] = svd0(A);
%SVD0 - Economy SVD in both U and V, S returned sparse diagonal
% function [U,S,V] = svd0(A);
% See also SVD

%<autobegin> ---------------------- 26-May-2004 11:34:35 -----------------------
% --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
%
% CATEGORY: Utility - Numeric
%
% At Check-in: $Author: Mosher $  $Revision: 15 $  $Date: 5/26/04 10:02a $
%
% This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 24-May-2004
% 
% Principal Investigators and Developers:
% ** Richard M. Leahy, PhD, Signal & Image Processing Institute,
%    University of Southern California, Los Angeles, CA
% ** John C. Mosher, PhD, Biophysics Group,
%    Los Alamos National Laboratory, Los Alamos, NM
% ** Sylvain Baillet, PhD, Cognitive Neuroscience & Brain Imaging Laboratory,
%    CNRS, Hopital de la Salpetriere, Paris, France
% 
% See BrainStorm website at http://neuroimage.usc.edu for further information.
% 
% Copyright (c) 2004 BrainStorm by the University of Southern California
% This software distributed  under the terms of the GNU General Public License
% as published by the Free Software Foundation. Further details on the GPL
% license can be found at http://www.gnu.org/copyleft/gpl.html .
% 
% FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
% UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
% WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
% MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
% LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
%<autoend> ------------------------ 26-May-2004 11:34:35 -----------------------

% ----------------------------- Script History ---------------------------------
% March 11, 1994 Author
% August 22, 1996 jcm added sparse feature
% JCM 08-Sep-2003 Commenting
% JCM 19-May-2004  Comments cleaning
% ----------------------------- Script History ---------------------------------

[m,n] = size(A);

if(m >= n),
  [U,S,V] = svd(A,0);
else
  [V,S,U] = svd(A',0);
end

S = sparse(S);