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Re: [newbie] how to make a function perform differently depending on out

From: Olivier Crouzet
Subject: Re: [newbie] how to make a function perform differently depending on output asked for
Date: Mon, 8 Dec 2014 20:41:32 +0100


you may also have a look at the bode.m function source code:

/usr/share/octave/packages/control-2.6.6/bode.m (in Debian; the base
directory may vary),

which will give you insights into how the bode.m function itself is
designed (and have a look at the nargout expression). It uses 

if (! nargout)

Which will let you 

On Mon, 8
Dec 2014 19:31:30 +0100 Jean Dubois <address@hidden> wrote:

> I'm a writing a bode-function myself as I want it to perform a bit
> differently from
> the bode-function in the octave-control package. I could make it plot
> the phase and magnitude diagrams as I wish now, but I'd also like it
> to mimic a behaviour which the bode-function in the octave-control
> package has: when you enter this:
>  bode(tf([3 1],[1 3 1]))
> you get the two expected plots on you screen
> however you can also do this:
>  [mag,pha,w]=bode(tf([3 1],[1 3 1]))
> in this case you don't get the plots on the screen but the results
> are put in the arrays mag, pha an w
> How can I make my own function do the same? The function should detect
> somehow whether numerical output is desired or not.
> any help very much appreciated
> jean
> _______________________________________________
> Help-octave mailing list
> address@hidden

  Olivier Crouzet, PhD
  Laboratoire de Linguistique -- EA3827
  Université de Nantes
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