control.pade

control.pade(T, n=1)

Create a linear system that approximates a delay.

Return the numerator and denominator coefficients of the Pade approximation.

Parameters:

T : number

time delay

n : integer

order of approximation

Returns:

num, den : array

Polynomial coefficients of the delay model, in descending powers of s.

Notes

Based on an algorithm in Golub and van Loan, “Matrix Computation” 3rd. Ed. pp. 572-574.