matplotlib 画图

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[www.matplotlib.org 样例](https://www.matplotlib.org.cn/gallery)

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# [基本子图演示](https://www.matplotlib.org.cn/gallery/subplots_axes_and_figures/subplot_demo.html) ```python import numpy as np import matplotlib.pyplot as plt # Data for plotting x1 = np.linspace(0.0, 5.0) x2 = np.linspace(0.0, 2.0) y1 = np.cos(2 * np.pi * x1) * np.exp(-x1) y2 = np.cos(2 * np.pi * x2) # Create two subplots sharing y axis fig, (ax1, ax2) = plt.subplots(2, sharey=True) ax1.plot(x1, y1, 'ko-') ax1.set(title='A tale of 2 subplots', ylabel='Damped oscillation') ax2.plot(x2, y2, 'r.-') ax2.set(xlabel='time (s)', ylabel='Undamped') plt.show() ```