python之matplotlib庫的簡單應用

#畫正弦餘弦 import matplotlib.pyplot as plt import numpy as np x=np.linspace(-2*np.pi,2*np.pi,1000)//既然是畫圖就得切割多個點 y=np.sin(x) y1=np.cos(x) plt.plot(x,y,color="blue",label="sin(x)")//畫圖規則 plt.plot(x,y1,

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