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Re: control pkg
From: |
Lukas Reichlin |
Subject: |
Re: control pkg |
Date: |
Mon, 13 Feb 2012 15:22:12 +0100 |
On 13.02.2012, at 15:07, Doug Stewart wrote:
> I have
>
> octave:1> ver
> ----------------------------------------------------------------------
> GNU Octave Version 3.6.1-rc0
> GNU Octave License: GNU General Public License
> Operating System: Linux 2.6.32-38-generic #83-Ubuntu SMP Wed Jan 4 11:13:04
> UTC 2012 i686
> ----------------------------------------------------------------------
> Package Name | Version | Installation directory
> ---------------+---------+-----------------------
> control *| 2.2.4 | /home/doug/octave/control-2.2.4
> miscellaneous *| 1.0.11 | /home/doug/octave/miscellaneous-1.0.11
> optim *| 1.0.17 | /home/doug/octave/optim-1.0.17
> signal *| 1.1.2 | /home/doug/octave/signal-1.1.2
> specfun *| 1.1.0 | /home/doug/octave/specfun-1.1.0
> struct *| 1.0.9 | /home/doug/octave/struct-1.0.9
>
>
> i do:
>
> octave:2> help c2d
> error: help: `c2d' not found
>
> but
> octave:2> help tf
> `tf' is a function from the file /home/doug/octave/control-2.2.4/@tf/tf.m
>
> -- Function File: S = tf ("S")
> -- Function File: Z = tf ("Z", TSAM)
> -- Function File: SYS = tf (SYS)
> -- Function File: SYS = tf (N
>
>
> Why are some of the things in control pkg available and others are not?????
>
> Doug
>
>
>
> --
> DAS
I can't help it. You have to type "help @lti/c2d". It is explained in the
control.pdf, located in /home/doug/octave/control-2.2.4/doc:
> Using the help function
> Some functions of the control package are listed with a leading @lti/. This
> is only needed to view the help text of the function, e.g. help norm shows
> the built-in function while help @lti/norm shows the overloaded function for
> LTI systems. Note that there are LTI functions like pole that have no
> built-in equivalent.
> When just using the function, the leading @lti/ must not be typed. Octave
> selects the right function automatically. So one can type norm (sys, inf) and
> norm (matrix, inf) regardless of the class of the argument.
Lukas
- control pkg, Doug Stewart, 2012/02/13
- Re: control pkg,
Lukas Reichlin <=
- Re: control pkg, Carnë Draug, 2012/02/13
- Re: control pkg, Doug Stewart, 2012/02/13
- Re: control pkg, Carnë Draug, 2012/02/13
- Re: control pkg, Doug Stewart, 2012/02/13
- Re: control pkg, Carnë Draug, 2012/02/13
- Re: control pkg, Michael Goffioul, 2012/02/13
- Re: control pkg, Doug Stewart, 2012/02/13
- Re: control pkg, Doug Stewart, 2012/02/13
- Re: control pkg, Carnë Draug, 2012/02/13