;
<span class="keyword">for</span> i = 1:numel(x)
  <span class="keyword">if</span> x(i) &gt; 0
    x(i) = rand(1,1);
  <span class="keyword">end</span>
<span class="keyword">end</span>
</pre><p>Create custom node labels</p><pre class="codeinput">myLabel = cell(length(x));
<span class="keyword">for</span> i = 1:length(x)
  myLabel{i} = num2str(round(1000000*rand(1,1)));
<span class="keyword">end</span>
</pre><p>Create custom colormap</p><pre class="codeinput">figure;
myColorMap = lines(length(x));

circular