MATLAB: Removing a specific row from a matrix

Question

Hi all,

I would like to remove a row from a matrix, however I cannot seem to be able to do it. Here is an example:

 a = [1 2 ; 3 4 ; 5 6 ; 7 8]; %matrix
 b = [3 4] ; %vector to remove
 a( a==b) = [] ; %removing the vector

This seems to be working, however the matrix 'a' is returned as:

 a = [1 5 7 2 6 8] ;

The desired format would be:

 a = [1 2 ; 5 6 ; 7 8] ;

How would can I get that?

Thanks for your help in advance,

KMT.

Answer 1

a = reshape(a, [], 2);

However, better could would be

a( ismember(a, b, 'rows'), :) = [];