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原创 python中的matplotlib画图

库：import numpy as npimport matplotlib.pyplot as plt程序x = np.linspace(-10,30,100)y1 = 0.1x**3-10x**2+np.piplt.figure(figsize=(8,6),dpi=100)//画图大小和分辨率l1,=plt.plot(x,y1,c=‘steelblue’,linewidth=2.0...