In [1]:
import control as ct
import numpy as np
import matplotlib.pyplot as plt
In [2]:
A = [[0,1],
     [4,0]]
B = [[0],
     [1]]
C = [1, 0]
D = 0
ss_system = ct.StateSpace(A, B, C, D)
system = ct.ss2tf(A, B, C, D)
system
Out[2]:
$$\frac{1.332 \times 10^{-15} s + 1}{s^2 - 8.882 \times 10^{-16} s - 4}$$