class="comment">%figure(1); clf; nt_imagescc(B);title (num2str([max(B(:)), a, k1, k2, size(B,1)])); pause</span>
0077         IDX{k1}=[IDX{k1};IDX{k2}]; 
0078         IDX(k2)=[];
0079         <a href="#_sub3" class="code" title="subfunction checkindex(IDX,n)">checkindex</a>(IDX,size(x,1))
0080     <span class="keyword">end</span>
0081     <span class="keyword">if</span> nargout&gt;1;
0082         c0=<a href="nt_cov.html" class="code" title="function [c,tw]=nt_cov(x,shifts,w);">nt_cov</a>(x)/size(x,1);
0083 