span class="keyword">if</span> find(strcmp(flags,<span class="string">'norm2'</span>))
0030     xx=<a href="#_sub1" class="code" title="subfunction y=norm2(x,n,ind)">norm2</a>(xx,size(x,2),ind);
0031 <span class="keyword">end</span>
0032 
0033 <span class="comment">% initial clustering of the time series of cross products</span>
0034 <span class="keyword">if</span> isempty(init)
0035     [C,A,score]=<a href="nt_cluster1D.html" class="code" title="function [C,A,score]=nt_cluster1D_b(x);">nt_cluster1D</a>(xx)