getting error while using feedback

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syms s d e
using feedback(y,1,-1) is giving me a error, what is wrong here

Answers (2)

Jesús Zambrano
Jesús Zambrano on 5 Aug 2021
You need to work with model objects, they must be either continuous os discrete with identical sample times.
Here, please read the documentation about the command feedback, which also includes some examples:
Hope it helps!
  1 Comment
bhanu kiran vandrangi
bhanu kiran vandrangi on 6 Aug 2021
ok, but if my input for feedback is matrix then how to use feedback in matlab

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Paul on 5 Aug 2021
The Control System Toolbox does not support operations on sym objects. Having siad that, the error message that I'm seeing is fairly opaque, something about "not enough input arguments," which isn't very helpful.




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