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Re: bode not working: sys undefined
From: |
Leo Britto |
Subject: |
Re: bode not working: sys undefined |
Date: |
Fri, 9 Oct 2009 23:30:28 -0700 (PDT) |
Hi Uwe,
It looks like you didnt define the "sys" in the bode command. You can try to
read here:
http://www.obihiro.ac.jp/~suzukim/masuda/octave/html/octave_127.html#SEC192
Look at the "State space system interface functions" for example.
Good luck.
Leo.
--- On Fri, 10/9/09, Uwe Dippel <address@hidden> wrote:
> From: Uwe Dippel <address@hidden>
> Subject: bode not working: sys undefined
> To: address@hidden
> Date: Friday, October 9, 2009, 9:00 PM
> (I don't seem to be all too lucky
> with my efforts on octave. :( )
>
> I tried one example (rather simple) from
> https://prof.hti.bfh.ch/sha1/Octave/index/f/bode.html
> a basic Bode diagram.
>
> This is what I get:
>
> bode(sys,[],"y_3", {"u_1","u_4"});
> error: `sys' undefined near line 3 column 6
> error: evaluating argument list element number 1
> error: evaluating argument list element number 1
>
> Google didn't help. Since I am still a newbie, I might
> missing some
> initial setup, have to do some basic reading. Please tell
> me where and
> what. I am on 3.2.2 as recommended.
> By the way, we did create some data structure as indicated
> in that site,
> but it resulted in other, different, errors. Matlab has no
> 'sys' there
> in the syntax.
> Octave seems to be not all too compatible after all?
>
> Let's start with this bode problem, though, please!
>
> Uwe
>
>
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