Re: How to multiply two transfer function ?

[Kai Shing Lee]

Thanks a lot.

Further question:

Do I need to re-form a transfer function ( e.g.
tf4=tf(b3,a3) ) in order to use it for further
manipulation ?  Or, just use the 'tf3' ?


--- Peter Gawthrop <address@hidden> 撰寫:
> tf3 = sysmult (tf1,tf2); 
> [b3,a3] = sys2tf(tf3)
> b3 =
> 
>   2.0000  3.0000  1.0000
> 
> a3 =
> 
>   1.0000  4.0000  7.0000  6.0000
> 
> Try DEMOcontrol for more info,
> 
>     Peter.
> 
> From: Kai Shing Lee <address@hidden>
> Subject: How to multiply two transfer function ?
> Date: Wed, 18 May 2005 12:26:27 +0800 (CST)
> 
> > 
> > 
> > How can I do "tf1*tf2" in octave ?
> > 
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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