### 5.43.11 Hadamard power (infixed version): .^

.`^`

takes as arguments a matrix or a list
A and a real b.

.`^`

is an infixed operator that returns the matrix
or the list where each term is the corresponding
term of A raised to the power b.

Input :

[[1, 2],[3,4]] .`^`

2

Output :

[[1,4],[9,16]]