Python Forum

FS= (1-ZP.tanh(Te.s))/(1+ZP.tanh(Te.s))

s = control.TransferFunction.s
x=Tep*s
Fs=1/(Zp*np.tanh(x))

Error:
AttributeError                            Traceback (most recent call last)
AttributeError: 'TransferFunction' object has no attribute 'tanh'

Error:
TypeError                                 Traceback (most recent call last)
<ipython-input-84-f6843dc03fc2> in <module>
----> 1 Fs=1/(Zp*np.tanh(x))

TypeError: loop of ufunc does not support argument 0 of type TransferFunction which has no callable tanh method

import math
import numpy as np
import scipy.signal
from scipy import linalg

import control

Twp= 1 

Tep= 0.5 
Zp=Twp/Tep

s = control.TransferFunction.s

x=Tep*s

Fs=1/(Zp*np.tanh(x))