1 #-*- coding:utf-8 -*-
2 #
3 import numpy as np
4 import matplotlib.pyplot as plt
5
6 x = np.linspace(0,10,1000
)
7 y = np.sin(x)+1
8 z = np.cos(x**2)+1
9
10 plt.figure(figsize=(8,4
))
11 plt.plot(x,y,label =
'$\sin x+1$',color =
'red',linewidth=2
)
12 plt.plot(x,z,
'b--',label =
'$\cos x^2+1$')
13 plt.xlabel(
'Time(s)')
14 plt.ylabel(
'Volt')
15 plt.title(
'A Simple Example')
16 plt.ylim(0,2.2
)
17 plt.legend()
18 plt.show()
matplotlib是数据分析时常用的作图代码,此例中依赖上级库numpy
转载于:https://www.cnblogs.com/chauncy/p/5566369.html
相关资源:matplotlib的应用举例