,10));
0035 b=nt_normcol(randn(N,5)*randn(5,10));
0036 
0037 <span class="comment">% change in covariance</span>
0038 x=[a;b];  
0039 figure(2); clf
0040 subplot 311
0041 plot(x); title(<span class="string">'10 channel noise, change in covariance'</span>);
0042 subplot 323
0043 [idx,score_vector,score]=nt_split(x.^2); 
0044 disp([num2str(idx), <span class="string">'score: '</span>,num2str(score,<span class="string">'%.03f'</span>)]);   
0045 plot(score_vector); title(<span class="string">'split on power'</s