Step Response of a transfer Function with a Multiple Term Numerator.
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Obtain the step response of the transfer function given below:
s s + 3 s + 2
T(S) = ------------------------------------
s + 1 s + 11 s + 2 s + 7
num = input('enter the numerator of the transfer function') %% -- Obtain the step response of the transfer function given below: --
den = input('enter the denominator of the transfer function')
step(num,den)
Is there a function that converts the numerator into a single term? The question says to Obtain the step response of the transfer function given.
2 Comments
Star Strider
on 13 Mar 2020
Please supply all the missing multiplication operators, and any necessary parentheses.
Answers (1)
Mahesh Taparia
on 16 Mar 2020
Hi
You can use 'conv' function to find the terms in polynomial form (or in a single term). For your case, you can follow the following line of code
a=[1 0];
b=[1 3];
c=[1 2];
Num1=conv(a,b);
Num=conv(Num1,c)
p=[1 1];
q=[1 11];
r=[1 2];
s=[1 7];
Den1=conv(p,q);
Den2=conv(r,s);
Den=conv(Den1,Den2);
TF=tf(Num,Den);
step(TF) %%%%% It will give step response
Hope it will help.
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