matplotlib-figure的使用

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莫烦python

代码

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import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(-3, 3, 50)
y1 = 2 * x + 1
y2 = x ** 2

plt.figure()
plt.plot(x, y1)

plt.figure(num=3, figsize=(8, 5))
plt.plot(x, y2)
# plot the second curve in this figure with certain parameters
plt.plot(x, y1, color='red', linewidth=1.0, linestyle='--')

plt.show()

结果