[numpy][clip]限制取值范围¶
clip(a, a_min, a_max, out=None, **kwargs)
将数组取值限制为给定最小值和最大值之间
>>> import numpy as np
>>>
>>> a = np.arange(5)
>>> a
array([0, 1, 2, 3, 4])
>>> np.clip(a, 2, 3)
array([2, 2, 2, 3, 3])
>>> a = np.arange(12).reshape(3,4)
>>> a
array([[ 0, 1, 2, 3],
[ 4, 5, 6, 7],
[ 8, 9, 10, 11]])
>>> np.clip(a, 3, 9)
array([[3, 3, 3, 3],
[4, 5, 6, 7],
[8, 9, 9, 9]])