title: How to use reshape in Matlab?
body: <p>I want to reshape pixel intensity by imagesize*1(column vector).</p>
  
  <pre><code>Imvect = reshape(I,imsize,1);
  </code></pre>
  
  <p>But why these error comes?</p>
  
  <pre><code>Error using reshape
  To RESHAPE the number of elements must not change.
  </code></pre>