指數函數

函數(a爲常數，且a>0，a≠1)叫做指數函數。 import numpy as np import matplotlib.pyplot as plt x = np.linspace(-2,2,num = 1000) y1 = 3**x y2 = 2**x plt.axis([-2,2,0,5]) plt.plot(x,y1,'r',x,y2,'y') plt.text(1.4,5,r'$3^x$

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