In matrix multiplication, is W*A equal to A*W?

[Jinyan_Liu]

So Z = AW is equal to Z = ATW. (result in 3 by 4 matrix)
Does Z also = WA?
If Z = WA, then Z = WTA. Result in 4 by 3 matrix?
In matrix multiplication, is WA equal to A*W?

[saifkhanengr]

Matrix multiplication is not commutative, that is AB \neq BA.