python numpy与matplotlib

linux下安装:

http://book.51cto.com/art/201401/426522.htm
sudo apt-get install python-numpy
sudo apt-get install python-matplotlib

arrar

数组创建:

python的plot功能:

https://linux.cn/article-4870-1.html
该用法和matlab几乎一样, 我不得不说python的开发者一定很熟悉matlab;

import math
import pylab as pl
import numpy as np
gs = lambda x:math.exp(-(0.5-x)**2/1.5)
x = np.arange(-2,2.5,0.01)
y = map(gs,x)
 #pl.ion()
pl.figure(1)
pl.plot(x,y)
pl.title('GS Func')
pl.show()

结果: