____tz_zs

np.power

power(x1, x2, /, out=None, *, where=True, casting=‘same_kind’, order=‘K’, dtype=None, subok=True[, signature, extobj])
幂运算（指数运算），对x1中的元素进行x2中元素次幂的计算。

x1 : array_like，底数
x2 : array_like，指数

https://docs.scipy.org/doc/numpy-1.15.1/reference/generated/numpy.power.html

import numpy as np

result = np.power([-2, -1, 0, 1, 2], 3)
print(result)  # [-8 -1  0  1  8]
result = np.power([-2, -1, 0, 1, 2], [3, 3, 3, 3, 3])
print(result)  # [-8 -1  0  1  8]

result = np.power([-2, -1, 0, 1, 2], [0, 1, 2, 3, 4])
print(result)  # [ 1 -1  0  1 16]

result = np.power([-2, -1, 0, 1, 2], np.array([[0, 1, 2, 3, 4], [0, 0, 0, 0, 0]]))
print(result)
"""
[[ 1 -1  0  1 16]
 [ 1  1  1  1  1]]
"""