### 2.42.9 Hadamard product (infixed version): `.*`

`.*` takes as arguments two matrices or two lists *A* and *B*
of the same size.

`.*` is an infixed operator that returns the matrix or the list
where each term is the term by term product of the corresponding
terms of *A* and *B*.

Input :

`[[1, 2],[3,4]] .* [[5, 6],[7, 8]]`

Output :

`[[5,12],[21,32]]`

Input :

`[1,2,3,4] .* [5,6,7,8]`

Output :

`[5,12,21,32]`