title: How to remove Rho labels from Matlab polar plot?
body: <p>In my polar plot in Matlab, I have default labels for Theta (0, 30, 60, .., 330) and Rho (20, 40, .., 100).
  I can remove Theta label using command </p>
  
  <pre><code>set(findall(gca, 'String', '0'),'String', ' ');
  </code></pre>
  
  <p>Please advice how to remove Rho labels (20, 40, .., 100) from the figure.</p>