scipy.signal.ss2tf

scipy.signal.ss2tf(A, B, C, D, input=0)

State-space to transfer function.

Parameters :

A, B, C, D : ndarray

State-space representation of linear system.

input : int

For multiple-input systems, the input to use.

Returns :

num, den : 1D ndarray

Numerator and denominator polynomials (as sequences) respectively.