How to use matlab to calculate a gain, to a specific limit of a transfer function?
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The equation is like the pic shown, matlab kept popping up that I can’t use limit within tf. Just wondering how do I use matlab to get the k value
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Paul
le 11 Oct 2020
You can use
evalfr(minreal(sys),f)
f is the complex frequency to which you want to take the limit. The minreal is to make sure you cancel common poles and zeros before taking the limit. Be careful if you have poles and zeros that should cancel but don’t because they aren’t quite numerically the same.
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