title: NaN means in image resize in matlab?
body: <p>What this code mean??
  this code is written in matlab.</p>
  
  <pre><code> citra=imresize(citra,[400 NaN]);
  </code></pre>
  
  <p>i just know that the image (citra) is resize into 400. But, what about Nan?
  What that's mean?</p>