Dot multiplication
[C] = CL_dMult(A, B)
Multiplies matrices elementwise (extends ".*").
If A (resp B) contains 1 row (A=[r]), A (resp B) is construed as [r;r;r...r] (P times, where P = maximum number of rows between A and B).
If A (resp B) contains 1 column ([c]), A (resp B) is construed as [c,c,c...c] (N times, where N = maximum number of columns between A and B).
If A or B is [], the result is [].
First matrix (PxN) or (1xN) or (Px1)
Second matrix (PxN) or (1xN) or (Px1)
result (PxN)
CNES - DCT/SB