x,todss2);
0055 
0056 PLOT_FIG2=0;
0057 <span class="keyword">if</span> PLOT_FIG2
0058     figure(2);  clf; set(gcf, <span class="string">'name'</span>,<span class="string">'in nt_cluster_jd'</span>);
0059     A=zeros(size(x,1),1); A(IDX{1})=1;
0060     subplot 511; plot(x); title(<span class="string">'data'</span>);
0061     subplot 512; plot(A,<span class="string">'.-'</span>); title(<span class="string">'initial cluster map'</span>);
0062     subplot 513; plot(z(:,1)); title(<span class="string">'initial