How to make checkboard with only 2 black box and white box using for loop

I am trying to make checkboard for only 2 black box and 2 white box diagonally using for loop the output i need to have is on this link thanks

[Jan]

Is this a homework question? Why do you need a for loop?

Answer 1

[Jan]

Without a for loop:

v = (1:128) > 64;
r = xor(v, v.');            % Auto expanding in Matlab 2016b
% r = bsxfun(@xor, v, v.')  % Older Matlab versions

Answer 2

[abid rashid]

Thank you, yes it's a homework and I couldn't find away around for loop.