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Re: Setting plot ranges
From: |
geordie . mcbain |
Subject: |
Re: Setting plot ranges |
Date: |
Fri, 23 Jan 2004 09:25:43 +1100 |
User-agent: |
KMail/1.5.4 |
It's not pretty, but compare:
-*-
y = x = (0:100)';
y(end) *= 100;
plot (x,y);
-*-
and
-*-
x = (0:100)';
y(end) *= 100;
Ymax = 2*mean (y);
graw (sprintf ("set yrange [0:%g]\n", Ymax));
plot (x, y);
-*-
On Fri, 23 Jan 2004 08:35 am, Joe Koski wrote:
> In a recent exercise, because of some extreme "outliers," I needed to
> override the vertical axis of a plot with gset yrange. I had been entering
> this range "manually" e. g., gset yrange [0:10], but the scale varied from
> plot to plot, so I decided to automate the process by calculating a maximum
> that filtered out the extreme values.
>
> It appears that you can't enter a real (or string) variable such as
>
> Ymax = 2.0*mean(y);
> S_Ymax = num2str(Ymax);
>
> into the gset yrange [0:Ymax] or gset yrange [0:S_Ymax] command. Octave
> just tells me that Ymax or S_Ymax are undefined.
>
> Is there trick to doing this, or must plot ranges be entered only
> numerically, without the use of variable names?
>
> Thanks for the advice.
>
> Joe Koski
>
>
>
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Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
-------------------------------------------------------------
Re: Setting plot ranges, Henry F. Mollet, 2004/01/22