废话不多说，直接上代码。
要求：正确安装了matplotlib库
import matplotlib.pyplot as plt
import numpy as npdef demo_test():a=np.array([0.15,0.16,0.14,0.17,0.12,0.16,0.1,0.08,0.05,0.07,0.06]);max_indx=np.argmax(a)#max value indexmin_indx=np.argmin(a)#min value indexplt.plot(a,'r-o')plt.plot(max_indx,a[max_indx],'ks')show_max='['+str(max_indx)+' '+str(a[max_indx])+']'plt.annotate(show_max,xytext=(max_indx,a[max_indx]),xy=(max_indx,a[max_indx]))plt.plot(min_indx,a[min_indx],'gs')plt.show()if __name__=="__main__":demo_test();
效果图如下：
