python画折线图-利用python画折线图

# encoding=utf-8

import matplotlib.pyplot as plt

from 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) # 限定横轴的范围

#pl.ylim(-1, 110) # 限定纵轴的范围

plt.plot(x, y, marker="o", mec="r", mfc="w",label=u"y=x^2曲线图")

plt.plot(x, y1, marker="*", ms=10,label=u"y=x^3曲线图")

plt.legend() # 让图例生效

plt.xticks(x, names, rotation=45)

plt.margins(0)

plt.subplots_adjust(bottom=0.15)

plt.xlabel(u"time(s)邻居") #X轴标签

plt.ylabel("RMSE") #Y轴标签

plt.title("A simple plot") #标题

plt.show()

原文地址：http://www.cnblogs.com/altlb/p/7160191.html