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[Octave-bug-tracker] [bug #61355] [octave forge] (control) Error on phas


From: Luiz Antonio Maccari Junior
Subject: [Octave-bug-tracker] [bug #61355] [octave forge] (control) Error on phase value of bode and margin plots
Date: Mon, 25 Oct 2021 16:57:13 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:93.0) Gecko/20100101 Firefox/93.0

Follow-up Comment #5, bug #61355 (project octave):

An additional example of the error with the phase plots. The code below
results in the same phase plot. Bode function does not make difference between
the phase of doubled poles or doubled zeros.

s = tf('s');

TF1 = (s^2+100)/(s^5*(s+2)*(s+10))

TF2 = 1/(s^5*(s+2)*(s+10)*(s^2+100))

bode(TF1,TF2)

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Reply to this item at:

  <https://savannah.gnu.org/bugs/?61355>

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