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正态分布抽样代码.PY

import numpy as np

import matplotlib.pyplot as plt

sampleNo = 10000
s = np.random.normal(0,0.2,sampleNo)
i = 0
sumall = 0
square =0
while i <sampleNo:
    sumall =sumall s[i]
    square = square s[i]*s[i]
    #print(i,'\t',s[i],'\t',sumall/(i 1),'\t',square)
    i = i 1

print(sumall/i)
plt.hist(s, 100)
plt.show()