Groups > comp.graphics.apps.gnuplot > #1110

Re: all points y2 value undefined!

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From	Hans-Bernhard Bröker <HBBroeker@t-online.de>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: all points y2 value undefined!
Date	Tue, 15 May 2012 18:57:14 +0200
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On 09.05.2012 23:24, Peekay Ex wrote:

> I am struggling though to understand why a 'two co-ordinate' plot I
> have returns an error 'all points y2 value undefined!'

In a nutshell: because that's supposed to be a two-dataset plot, but you 
only supplied one dataset.  Please consult "help datafile special" again 
to learn the details.

> And I cannot work out what the error is referring to. Isn't 'y2'
> implied by the third column?

No.  gnuplot doesn't care which column you use as 'x' and which as 'y', 
'y2' or whatever.

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all points y2 value undefined! Peekay Ex <pkx166h@gmail.com> - 2012-05-09 14:24 -0700
  Re: all points y2 value undefined! Lee <hogney@gmail.com> - 2012-05-15 08:18 -0700
  Re: all points y2 value undefined! Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2012-05-15 18:57 +0200

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