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Re: Octave plot on time/date x-axis


From: David Bateman
Subject: Re: Octave plot on time/date x-axis
Date: Tue, 16 Sep 2008 10:04:46 +0200
User-agent: Thunderbird 2.0.0.16 (X11/20080725)

Bill Denney wrote:
Ivan Sutoris wrote:
I would like to plot a data set that has dates and time in the x-axis. I
have found the following code, but when I enter it i get a parse error:
syntax error.

 __gnuplot_set xdata time
 __gnuplot_set timefmt "%d/%m"
 __gnuplot_set format x "%b %d"
I think Octave no longer allows to directly access gnuplot, so these
commands won't work. I don't know if there is some simple way to have
dates as tick labels, but you can always set tick labels manually,
like this:

data = [2 3 5 3.5 6];
datalabels = {'10/3/2008','10/4/2008','10/5/2008','10/6/2008','10/7/2008'};
% cell array
plot(data)
set(gca(),'xticklabels',datalabels)
If you install the financial package, you can use the dateaxis command
which likely does what you're wanting to do.

Have a good day,


How does dateaxis differ from the dateticks function? Taking a quick look at the matlab help pages, I can see that much of a difference in them. Perhaps we should migrate dateaxis to Octave as the dateticks command and make dateaxis depend on dateticks?

Cheers
David



--
David Bateman                                address@hidden
Motorola Labs - Paris +33 1 69 35 48 04 (Ph) Parc Les Algorithmes, Commune de St Aubin +33 6 72 01 06 33 (Mob) 91193 Gif-Sur-Yvette FRANCE +33 1 69 35 77 01 (Fax) The information contained in this communication has been classified as: [x] General Business Information [ ] Motorola Internal Use Only [ ] Motorola Confidential Proprietary



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