n>  <span class="comment">% cluster in log domain</span>
0180         [C,A]=<a href="nt_cluster1D.html" class="code" title="function [C,A,score]=nt_cluster1D_b(x);">nt_cluster1D</a>(log2(zz+eps));
0181         [~,idx]= max(abs(diff(C))); <span class="comment">% choose first or last</span>
0182     <span class="keyword">end</span>
0183     A=A(:,idx);
0184     <span class="comment">%disp(C);</span>
0185     C=C(:,idx);
0186     <span class="comment">%disp(C); pause</span>
0187     <span class="keyword">if</s