Different dimension matrix addition

I have a 2×2 matrix and i want to add it to a 4×4 matrix. How shall i proceed to do this?

[KSSV]

How you would like to add? How can you add them?

[Nir Vaishnav]

i want it in the form of 4x2 matrix.

Answer 1

[KSSV]

Is this what you want?

A = rand(2) ;
B = rand(4) ;
iwant = repmat(A,2,2)+B

iwant = 4×4

0.2803 0.8238 0.4495 1.2927 1.3378 0.3492 1.1742 1.1508 0.9659 1.5570 0.9271 1.4413 1.0116 1.0375 1.2757 0.6122