# encoding=utf-8import matplotlib.pyplot as pltfrom pylab import *                 #支持中文mpl.rcParams['font.sans-serif'] = ['SimHei']names = ['5', '10', '15', '20', '25']x = range(len(names))y = [0.855, 0.84, 0.835, 0.815, 0.81]y1=[0.86,0.85,0.853,0.849,0.83]#plt.plot(x, y, 'ro-')#plt.plot(x, y1, 'bo-')#pl.xlim(-1, 11) # 限定橫軸的范圍#pl.ylim(-1, 110) # 限定縱軸的范圍plt.plot(x, y, marker='o', mec='r', mfc='w',label=u'y=x^2曲線圖')plt.plot(x, y1, marker='*', ms=10,label=u'y=x^3曲線圖')plt.legend() # 讓圖例生效plt.xticks(x, names, rotation=45)plt.margins(0)plt.subplots_adjust(bottom=0.15)plt.xlabel(u"time(s)鄰居") #X軸標(biāo)簽plt.ylabel("RMSE") #Y軸標(biāo)簽plt.title("A simple plot") #標(biāo)題plt.show()