Python Numpy matplotlib Histograms 直方图

2024-09-08 10:10:08

import numpy as np

import matplotlib.pyplot as plt

mu,sigma = 2,0.5

v = np.random.normal(mu,sigma,10000)

plt.hist(v,bins=50,density=1)

plt.show()

import numpy as np

import matplotlib.pyplot as plt

mu,sigma = 2,0.5

v = np.random.normal(mu,sigma,10000)

(n,bins) = np.histogram(v,bins=50,density=True)

plt.plot(.5*(bins[1:]+bins[:-1]),n)

plt.show()

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