[R,s] = mby6check(A);

MBY6CHECK - Check to see if matrix is m by 6 or 6 by m. function [R,s] = mby6check(A); First three (cols or rows) of A map to R, next three to s. Return both matrice as 3 x M, with message to user if M is six also. Reject input if neither dimension is six. A is typically location and orientation information combined in one matrix. See loc_basis, sarvas, sarvas_der for examples of input type.

function [R,s] = mby6check(A); %MBY6CHECK - Check to see if matrix is m by 6 or 6 by m. % function [R,s] = mby6check(A); % First three (cols or rows) of A map to R, next three to s. % Return both matrice as 3 x M, with message to user if M is six also. % Reject input if neither dimension is six. % A is typically location and orientation information combined in one matrix. % See loc_basis, sarvas, sarvas_der for examples of input type. %<autobegin> ---------------------- 26-May-2004 11:30:55 ----------------------- % --------- Automatically Generated Comments Block Using AUTO_COMMENTS --------- % % CATEGORY: Utility - General % % At Check-in: $Author: Mosher $ $Revision: 13 $ $Date: 5/26/04 9:59a $ % % 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 11:30:55 ----------------------- % ----------------------------- Script History --------------------------------- % JCM 19-May-2004 Comments cleaning % ----------------------------- Script History --------------------------------- [mA,nA] = size(A); if((mA==6) & (nA==6)), disp('Input matrix is six by six.') disp(... 'Program will assume that each COLUMN corresponds to 3-D information.') disp('If assumption is incorrect, rerun routine with matrix transposed.') B = A; elseif((mA~=6) & (nA~=6)) % neither is a three error('Input matrix is not three dimensional in either row or column.') elseif(nA==6), % we want to transpose B = A'; else B = A; % it's fine as is. end R = B(1:3,:); % typically sensor locations s = B(4:6,:); % typically sensor orientations

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