MATLAB: Perform operation on matrix without for loop

Question

So I have a 122x64x64 matrix x that has a grid of signals over time. First dim is time, second is x and third is y. Since the signals are all small signals with large DC offsets, I want to remove the offsets from the signals for all time values. The offsets for each signal are stored in a 64×64 matrix.

Here is the code I am currently using:

for a=1:64
    for b=1:64
        x(:,a,b) = x(:,a,b) - offset(a,b);
    end
end

Is there a faster way to do this without a for loop? Later I want to do other similar operations, so a non-loop method would be preferred.

Answer 1

 [m,n] = size(offset);
 x = bsxfun(@minus,x,reshape(offset,1,m,n));