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From: sfeam <sfeam@users.sourceforge.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Plotting into table with multiple columns
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Date: Sat, 27 Aug 2011 22:56:40 -0700
Organization: gnuplot development team
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Ingo Thies wrote:

> Hi all,
> 
> maybe this has been discussed earlier, but I coulnd not find a thread
> about this.
> 
> I want to redirect a plot into a table but such that all data are
> plotted as separate columns. I.e. consider, let's say, a number of
> functions f1 to fn, and the table should look like this
> 
> col1  col2   col3  ... coln+1
> x     f1(x)  f2(x) ... fn(x)
> 
> (replace in mind these labels with the corresponding values)
> 
> Currently, gnuplot writes them in blocks one after the other. I know
> that one can plot up to three columns using parametric mode and splot
> to table (this has been discussed here already, AFAIR), but
> unfortunately, I need four columns...
> 
> Is it possible to use a print statement inside a for-loop? This would
> solve the problem. 

Not in version 4.4.
Yes in version 4.5:

increment = whatever
x = start

do for [i=1:N] {
    print f1(x), f2(x), f3(x), f4(x), ...
    x = x + increment
}



> I could, of course, do this in an external program,
> but it would be nice and elegant to do this in the same gp script
> without invoking external self-written software.
> 
> Thanks in advance!
> 
> Ingo