title: What does y==x mean in MATLAB?
body: <p>I came across some MATLAB code online and it was running just fine, but I couldn't understand the meaning of <code>(y == x)</code> where <code>y</code> is a column matrix and <code>x</code> is an integer.</p>
  
  <pre><code>someFunction(y == x);
  </code></pre>
  
  <p>Is it some kind of comparing or setting some value of <code>y</code>?</p>