基本信息

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   源码介绍

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import matplotlib.pyplot as plt import numpy as np
x = np.linspace(0.5, 3.5, 100) # Returns num evenly spaced samples, calculated over the interval [start, stop]. y = np.sin(x)
y1 = np.random.randn(100) # Return a sample (or samples) from the "standard normal" distribution.  plt.plot(x, y, ls='-.', # 折线图的线条风格  lw=2, # 折线图的线宽  label='plot figure')