MATLAB: I have 3*3*20 matrix and 1*1*20 matrix. how to multiply. I have multiply q and za

Question

 q(:,:,1:20); %3*3 Matrix
 za(1:20);  % 1*1 Matrix

How to multiply q and za. Error using q*za or q.*za

Answer 1

Hi Ranjan,

if you want to multiply each 3x3 Matrix q(:,:,idx) with the corresponding za(1,1,idx), then this should work:

q = rand(3,3,20);
za = rand(1,1,20);
result = bsxfun(@times, q, za);

Titus