Bode plot: find if there is a point of given frequency and magnitude

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Donovan Angela
Donovan Angela 2018-12-30
I found something king of similar here: https://www.mathworks.com/matlabcentral/answers/314007-bode-plot-and-cutoff-frequency but I didn't quite understand the given answer.
I have to modify a system until its bode plot contains a certain point, of given frequency and magnitude (eg: 10 and 10).
I tried using
[mag,phase,w]=bode(sys)
and then the squeeze function and the function find but the arrays are way too small and don't have the precise numbers I'm looking for (instead of 10 it will have 10.23 for example)
I found methods to make those arrays larger but it still didn't work for me

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