File: hist2d_demo.py

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matplotlib 2.0.0%2Bdfsg1-2
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import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(1000)
y = np.random.randn(1000) + 5

# normal distribution center at x=0 and y=5
plt.hist2d(x, y, bins=40)
plt.show()