Re: [Gnuplot-info] data processing

[Thomas S. <t.s...@fz...>]

you need gnuplot version >= 4.4

xmin = 999999.
ymin = 999999.
# plot something
set table
plot 'datafilename' using
(abs($1)<xmin?xmin=$1:0,$1):(abs($2)<ymin?ymin=$2:0,$2)
unset table
print xmin
print ymin


Robaeys Pieter wrote:
> 
> Hello,
> 
>  
> 
> I have a question about data processing. I have a lot of experimental data
> and I want to process them. One of the things I have to do is to obtain
> the
> roots (x=0 and y=0) of my data (without fitting them). So in other words,
> I
> have to obtain the y-value of the point that is closest to the x-axis, and
> the x-value of the point closest to the y-axis. Is this possible to do
> with
> gnuplot?
> 
>  
> 
> Greetings,
> 
>  
> 
> PR
> 
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