>> A = [1, 3; 4, 2]
A =
1 3
4 2
>> B = [1, 2]
B =
1 2
>> bsxfun(@minus, A, B)
ans =
0 1
3 0
bsxfun expands any scalar dimensions to make the input variables the same size, then performs the specified operation. It is also much more efficient than using repmat.
