可以使用做到这一点很容易:
y[x<0.5] = 0.01
样本输出:
In [1]: import numpy as np
In [2]: n=10
In [3]: x = np.linspace(0, 1, n)
In [4]: y = np.power(x,3)
In [5]: x
Out[5]:
array([ 0. , 0.11111111, 0.22222222, 0.33333333, 0.44444444,
0.55555556, 0.66666667, 0.77777778, 0.88888889, 1. ])
In [6]: y
Out[6]:
array([ 0. , 0.00137174, 0.01097394, 0.03703704, 0.0877915 ,
0.17146776, 0.2962963 , 0.47050754, 0.70233196, 1. ])
In [7]: y[x<0.5] = 0.01
In [8]: y
Out[8]:
array([ 0.01 , 0.01 , 0.01 , 0.01 , 0.01 ,
0.17146776, 0.2962963 , 0.47050754, 0.70233196, 1. ])