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Re: c2d not working
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From: |
Thomas D. Dean |
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Subject: |
Re: c2d not working |
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Date: |
Sun, 14 Jan 2018 20:20:51 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 |
On Ubuntu 16.04, octave 4.2.1,
octave:10> version
ans = 4.2.1
octave:11> help c2d
error: help: the 'c2d' function belongs to the control package from
Octave Forge but
has not yet been implemented.
Please read <http://www.octave.org/missing.html> to learn how you can
contribute missing functionality.
octave:11> c2d
warning: the 'c2d' function belongs to the control package from Octave
Forge but
has not yet been implemented.
Please read <http://www.octave.org/missing.html> to learn how you can
contribute missing functionality.
error: 'c2d' undefined near line 1 column 1
octave:11> s=tf(1,[2,3])
Transfer function 's' from input 'u1' to output ...
1
y1: -------
2 s + 3
Continuous-time model.
octave:12> c2d(s,1e-6)
Transfer function 'ans' from input 'u1' to output ...
5e-07
y1: -----
z - 1
Sampling time: 1e-06 s
Discrete-time model.
Since my last post, I did a pkg upgrade with octave 4.3.0 and then
octave 4.2.1. Help still fails, but, the function works.
Strange...
Tom Dean