# -*- coding: utf-8 -*-
"""
Created on Thu May  3 19:38:25 2018

@author: 王磊
"""

import numpy as np
import matplotlib.pyplot as plt
#t=np.arange(0.,5.,0.2)
#plt.plot(t,t,'r--',t,t**2,'bs',t,t**3,'g^')
#plt.show()
#
#
#plt.plot([1,2,3,4])
#plt.ylabel('some numbers')
#plt.show()
#
#plt.plot([1,2,3,4],[1,4,9,16],'ro')
#plt.axis([0,6,0,20])
#plt.show()
#
#plt.plot([1,2,3,4],[1,4,9,16],'r-',linewidth=2.0)
#plt.show()

#line = plt.plot([1,2,3,4,5],[1,2,3,2,1],[1,2,3,4,5],[1,2,3,2,1],)
##line.set_antialiased(False) # turn off antialising
#plt.step(line,
#         color='r',
#         linewidth=4.0)

