text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # @Time   : 2018/10/15 14:30
  # @Author : Iydon
  # @File   : test.py
  # `matlab -nodesktop' -> `from matlab import *'
  
  
  from matlab import *
  
  
  f = lambda n: fft(eye(n))
  plot(real(f(17)), imag(f(17)))
  legend()
  axis("equal")
  show()
  