绘制Loss对比曲线图

import matplotlib.pyplot as plt
import numpy as np
from matplotlib.font_manager import FontProperties
font = FontProperties(fname=r"c:windowsfontsSimSun.ttc", size=16)
def ReadTxtName(rootdir):
    lines = []
    with open(rootdir, 'r') as file_to_read:
        while True:
            line = file_to_read.readline()
            if not line:
                break
            line = line.strip('n')
            lines.append(float(line))
    return lines

resultpath = r'C:Users411Desktoplosspspnetloss.txt'   #四个网络loss值
resultpath2 = r'C:Users411Desktoplosssegnetloss.txt'
resultpath3 = r'C:Users411Desktoplossunetloss.txt'
resultpath4= r'C:Users411Desktoploss修改loss.txt'
lineslist = ReadTxtName(resultpath)
lineslist2 = ReadTxtName(resultpath2)
lineslist3 = ReadTxtName(resultpath3)
lineslist4 = ReadTxtName(resultpath4)


x=range(0,100)   #100
y1=lineslist
y2=lineslist2
y3=lineslist3
y4=lineslist4
plt.title('Result Analysis',fontproperties=font)
plt.plot(x, y1,color='black', label='Net1')    #四条曲线
plt.plot(x, y2, color='blue', label='Net2')
plt.plot(x, y3,color='red',label='Net3')
plt.plot(x, y4, color='green',label='improveNet')

plt.legend(prop=font) # 显示图例

plt.xlabel('Epoch',fontproperties=font)
plt.ylabel('Loss',fontproperties=font)
plt.show()

结果图