title: Does matrix contain a vector?
body: <p>I'm looking for a fast / concise way to check whether some matrix contains given vector, e.g.:</p>
  
  <pre><code> bigMatrix = [1 1 1; 2 2 2; 4 4 4; 5 5 5];
  
   someFunction(bigMatrix, [1 1 1]) % = true
   someFunction(bigMatrix, [3 3 3]) % = false
  </code></pre>
  
  <p>Is there such function/operator, or I need a loop?</p>