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From: =?UTF-8?B?SGFucy1CZXJuaGFyZCBCcsO2a2Vy?= <HBBroeker@t-online.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Multiplot, ensuring same y-sizes
Date: Mon, 13 May 2013 22:23:10 +0200
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On 13.05.2013 15:21, Dieter Britz wrote:

> Sorry, I should have provided more information. Here is
> a stripped down mini-example that does the same thing, albeit
> not with as great differences in the heights as the real
> script. Again the top two have the same height but the bottom
> one is not astall.

The cause of that difference is this:

> set xlabel "x"

gnuplot has to reserve some space for that label, and because only the 
bottom plot has this, it has less space for the rest of the graph than 
the other two.

If you want to change that, you have several options:

1) add a xlabel (optionally a blank one) to the other two plots
2) fix the bmargin explicitly
3) use a different way of labelling that x axis.