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From: Chris Elvidge <chris@mshome.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: smooth unwrap does not work with an explicit function
Date: Sun, 27 May 2018 11:38:19 +0100
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On 27/05/2018 07:05, Jean-Pierre Coulon wrote:
> See my workaround:
> 
> set log x; set nolog y; jay = {0,1}; p(x) = jay*x
> set xrange [.1:10]; set grid
> model(x) = 1/((1+p(x))*(1+p(x))*(1+p(x)))
> plot arg(model(x)) smooth unwrap,\
> "uninteresting.txt" using 1:(arg(model($1))) with lines  smooth unwrap 
> title "workaround"
> 
> where uninteresting.txt contains .1 1 .2 1 etc 10 1
> 
> Is it a bug or a feature?
> 
> Jean-Pierre Coulon

I'd say a feature:

http://www.bersch.net/gnuplot-doc/plot.html

"The smooth options have no effect on function plots."

-- 

Chris Elvidge, England