title: How to select a submatrix (not in any particular pattern) in Matlab
body: <p>How to select a submatrix (not in any pattern) in Matlab? For example, for a matrix of size 10 by 10, how to select the submatrix consisting of intersection of the 1st 2nd and 9th rows and the 4th and 6th columns?</p>
  
  <p>Thanks for any helpful answers!</p>