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Re: Bandwidth of transfer function

From: Doug Stewart
Subject: Re: Bandwidth of transfer function
Date: Sun, 25 Mar 2018 13:53:46 -0400

On Sun, Mar 25, 2018 at 11:54 AM, Θύμιος Γρίβας <address@hidden> wrote:
Hello there,
I want to calculate the bandwidth of a transfer function but i have a problem.
this is my code:
pkg load control
A=tf(20,[1 2 30]);

Of course A is not a matrix and this is a problem.
How can i calculate the bandwidth? I can not find any solution in the internet.

Thank you in advance,
Grivas Efthimios

The bandwidth that you are seeing is from the linear math matrix section.

For a control signal bandwidth: here is a quick rendition.
save this as lpbandwidth.m

 A=tf(20,[1 2 30]);
 [ mag,p,w]=bode(A);
 disp(["the bandwidth of this lowpass filter is " st1 " radians per second"])

I will work on making a bandwidth function in the control tool box.


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