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From: Ingo Thies <ingo.thies@gmx.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Filledcurves with functions?
Date: Mon, 18 Jul 2011 09:25:42 +0200
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Hi,

is there a way to use the filledcurves style with two functions (between
them the curve is to be filled) instead of data files? gnuplot.pdf
suggests that fill between two curves is only possible for two data
sets, but this would be a quite strong restriction, since single-curve
fill (i.e. between curve and axis) is possible even with functions.

Another possibility would be the use of "set table", but this would
require to write more than two data columns, and I cannot see how to do
this. Plotting multiple datasets results in multiple data blocks rather
than multiple y columns.

Therefore, the only way I can see now is to invoke an external program
or to manually edit the written table.

Any hints?

Ingo