Home > eeg > egis > data_utils > csdm.m

csdm

PURPOSE ^

SYNOPSIS ^

function [cross_trial,fft_trial] = csdm(trialdata)

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function [cross_trial,fft_trial] = csdm(trialdata)
0002 
0003 trialdata = zeromean(trialdata);
0004 fft_trial = fft(trialdata)./(size(trialdata,1)+1);
0005 cross_trial = zeros(fix(size(trialdata,1)/2),(size(trialdata,2).^2+size(trialdata,2))/2); 
0006 icount = 1;
0007 
0008 if strcmp(computer, 'MAC2')
0009   for i = 1:size(trialdata,2)
0010     for j = i:size(trialdata,2)
0011         cross_trial(:,icount) = ppc_cmplx_mult(fft_trial(1:fix(size(trialdata,1)/2),i),conj(fft_trial(1:size(trialdata,1)/2,j)));
0012         icount = icount+1;
0013     end;
0014   end;
0015 else
0016   for i = 1:size(trialdata,2)
0017     for j = i:size(trialdata,2)
0018         cross_trial(:,icount) = fft_trial(1:fix(size(trialdata,1)/2),i).*conj(fft_trial(1:fix(size(trialdata,1)/2),j));
0019         icount = icount+1;
0020     end;
0021   end;
0022 end

Generated on Thu 23-May-2019 04:00:50 by m2html © 2003