摘要：
import mathimport numpy as npfrom matplotlib import pyplot as plta=np.arange(-1,1,0.00001)def sx(k): t1=math.sin(k)/k retur... 阅读全文
摘要：
#!/usr/bin/env python3# -*- coding: utf-8 -*-"""Created on Wed Jan 30 15:27:47 2019@author: lg"""import mathimport numpy as npfro... 阅读全文