Problem 45448. Vector raised to a power, element-wise (★)

Given a vector A and a number x, raise each element of the vector to the power of x. Thus, if A = [2 5 7 1] and x = 0.5, then

y = [2^0.5 5^0.5 7^0.5 1^0.5] = [1.4142 2.2361 2.6458 1.0000]