import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(-1, 1, 50)
y1 = 2 * x + 1
y2 = x**2

plt.figure(num = 5, figsize = (4, 4))
plt.plot(x, y1)
plt.plot(x, y2, color = 'red', linewidth = 1.0, linestyle = '--')
plt.xlabel(u'this is x ',fontproperties='SimHei',fontsize=14)
plt.ylabel(u'this is y',fontproperties='SimHei',fontsize=14)
plt.show()

 

Matplotlib 常用畫圖函數整理