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RE: bode not working: sys undefined
From: |
Uwe Heinz Rudi Dippel |
Subject: |
RE: bode not working: sys undefined |
Date: |
Sun, 11 Oct 2009 09:34:10 +0800 |
From: address@hidden address@hidden
Here is an example:
n=6
d=[1 2 6]
sys=tf(n,d);
sysout(sys)
bode(sys)
This works now, in principle.
Back to the earlier question, the example provided here:
> https://prof.hti.bfh.ch/sha1/Octave/index/f/bode.html
bode(sys,[],"y_3", {"u_1","u_4"});
Is this an explanation or valid syntax? At first sight, it does look like valid
syntax. But when I run it:
octave:17> bode(sys,[],"y_3", {"u_1","u_4"});
error: sysidx (sigtype = in): Did not find u_4
I have to do more reading, I guess. What puzzles me, is that it complains about
u_4. Does it evaluate from right to left? Would "u_4" not be simply a string?
Uwe
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