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Re: Book for Control 2.0.0


From: Richard Balogh
Subject: Re: Book for Control 2.0.0
Date: Mon, 21 Mar 2011 05:50:52 -0700 (PDT)

It would be nice, if the examples from the above mentioned "Matlab
Compendium" 
would work also in octave - no need to write another documentation :)

I've tried first of them (page 10, p. 16 in .pdf). 

One issue is lack of the zpk function. 

Another, probably more important is that results are different:

Matlab output: 

Transfer function:   8 / (s^2 + 30)
A_ss_tf_ss = [  0   -7.5000 ;    4.0000         0]

Octave output:

Transfer function:  8 s^2 / ( s^4 + 30 s^2 )
A_ss_tf_ss = [ 0    1    0    0;    0    0    1    0;    0    0    0    1;  
-0   -0  -30   -0]




Richard Balogh



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