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Can't use functions like sin(s) with transfer function/nyquist

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Sebastian Daneli
Sebastian Daneli on 3 Aug 2019
Answered: Navya Seelam on 7 Aug 2019
I'm trying to evaluate describing functions by plotting them with the nyquist command but it's not possible when a function like sin is a part of the describing function.
Any ideas?

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Answers (1)

Navya Seelam
Navya Seelam on 7 Aug 2019
Hi,
nyquist function is based on an algorithm which computes the zero-pole-gain representation of the system. sin(s) cannot be converted to zero-pole-gain representation and hence it cannot be used with nyquist.

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