From help-request at octave dot org Wed Dec 29 15:32:36 2004
Subject: Re: line 0: Can't plot with an empty x range!
From: "Dmitri A. Sergatskov" <dmitri at unm dot edu>
To: Joan Picanyol i Puig <lists-octave at biaix dot org>
CC: help at octave dot org
Date: Wed, 29 Dec 2004 14:32:32 -0700

Dmitri A. Sergatskov wrote:
> Joan Picanyol i Puig wrote:
> 
>>
>> I'm getting the message in the subject and can't figure out why, since
> 
> 
> 
> 
>>     axis([t(1), t(100), -3*median(lw(1,:)), 3*median(lw(1,:))]);
> 
> 
> axis command does "%g" string formatting when composing range command 
> for gnuplot.
> It make only 5 digits precision so you end up with command sent to gnuplot
> set xrange [24.99500:24.99500]
> which is bad.
> 

Changing "%g" -> "%.16g" in axis.m (around line 260) would provide
gnuplot (at least the version I have) with as much accuracy as it can handle.
I still deffer it to John to make a final judgment in this case...

Sincerely,

Dmitri.
-- 



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