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Plot please help / plot the domain of transfer function

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Melika Eft
Melika Eft el 26 de Nov. de 2020
Comentada: Paul el 27 de Nov. de 2020
How can I plot the transfer function of this function B(s)=5s^3+30s^2+55s+30/A(s)=s^3+9s^2+33s+65
  6 comentarios
Melika Eft
Melika Eft el 27 de Nov. de 2020
Thank you very much indeed
Paul
Paul el 27 de Nov. de 2020
What do you mean by "the domain?" That's not a common term in this context.

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Setsuna Yuuki.
Setsuna Yuuki. el 27 de Nov. de 2020
Editada: Setsuna Yuuki. el 27 de Nov. de 2020
You can try with tf():
fun = tf([5 30 55 30],[1 9 33 65]); % B(s)=5s^3+30s^2+55s+30/A(s)=s^3+9s^2+33s+65
step(fun)
fun =
5 s^3 + 30 s^2 + 55 s + 30
--------------------------
s^3 + 9 s^2 + 33 s + 65

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