title: Delete intersection columns in 2xN matrices in matlab
body: <p>I have two matrices A and B (of size 2xN) in matlab of the form:</p>
  
  <pre><code>A=[1 2 3 4 5 6
     7 8 9 4 1 9]
  
  B=[7 4 3 5 1 8
     7 8 9 4 7 9]
  </code></pre>
  
  <p>I want to look for the intersection of A and B column by colmun, i.e., I want to delete column 1 and column 3 of matrix A and column 3 and column 5 of matrix B of my above example. Is there a way to do this without loops? Is there a function that do this in matlab?</p>
  
  <p>P.S. The matrices could be of different sizes, i.e., for example, one can has size 2x10 the other can has size 2x20.</p>