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Re: Error exploring a Matlab example

From: vathomas
Subject: Re: Error exploring a Matlab example
Date: Tue, 21 Oct 2014 16:16:00 -0700 (PDT)


Pade function is not implemented, but you can do the approximation yourself.
There are tables on the internet providing the coefficients, for example

Another way is to use the "pade" function from the development branch of
control package:

Please be advised, calling the function with an LTI (like ss, or tf) as
input argument, will error out for sure. But using the function as:
>> [num, den] = pade(theta, N)
>> Gp = tf(num,den)/(1+tau*s)
where N is the order of the approximation, should do the job.

Also if you want how good the approximation is just type
>> pade(theta, N)
and a comparison plot should appear.


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