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  • Hole puncher Show Picture

    import sys
    reload(sys)
    sys.setdefaultencoding('utf8')
    
    import matplotlib.pyplot as plt
    import string
    
    file = open("GD.txt")
    
    i = 0
    x = range(0)
    y = range(0)
    
    for line in file:
        x.append(string.atoi(line[0:7], 10))
        y.append(string.atoi(line[8:], 10))
    
    print x[1]
    print "111111111111"
    #print y
    
    
    
    # plt.xlabel("x position")
    # plt.ylabel("y position")
    # plt.title("E track distribution diagram 
     Red point is start and Blue point is end.")  
    #plt.plot(x,y)
    
    
    
    
    plt.plot(x, y, 'k--', linewidth=1, linestyle="-.")
    for i in range(94):
          plt.plot(x[i], y[i], 'yo-', linewidth=1) 
    
    plt.plot(x[0], y[0], 'r*',  linewidth=10)
    plt.plot(x[94], y[94], 'b*',  linewidth=10)
    
    plot(x, y)   # plot x and y using blue circle markers
    plt.show() 
    

      

    import string
    import matplotlib.pyplot as plt  
    import numpy as np
    
    file = open("picture.txt")
    
    i = 0
    x = range(0)
    y = range(0)
    
    for line in file:
        x.append(string.atoi(line[0:7], 10))
        y.append(string.atoi(line[8:], 10))
    
    
    years = x
    price = y
    
    plt.plot(years, price, 'b*')    #,label=$cos(x^2)$)
    plt.plot(years, price, 'r')
    plt.xlabel(years(+2000))
    plt.ylabel("housing average price(*2000 yuan)")
    plt.ylim(0, 15)
    plt.title('line_regression & gradient decrease')
    plt.legend()
    plt.show()
    

       Hole puncher

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  • 原文地址:https://www.cnblogs.com/hgonlywj/p/4842714.html
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