[Gnuplot-info] Rescaling a Dataset

[benni <cm...@we...>]

Hey guys,
I am searching for the best way to save a dataset produced by my simulation
program.
My problem is that I want to plot a "rescaled density profile". The Dataset
looks like the following:
all strings are replaced by the simulation values.

0          length       length2      length3
x1     rho(t1,x1)    rho(t2,x1)   rho(t3,x1)
x2     rho(t1,x2)    rho(t2,x2)   rho(t3,x2)
x3     rho(t1,x3)    rho(t2,x3)   rho(t3,x3)
x4     rho(t1, x4)   rho(t1,x4)    rho(t2,x4)
...

I can plot the unscaled density profile at time 3 by plotting ' plot
"./datfile" u 1:4'

But now i want to rescale my x-axis to 0-1. That means I want to ' plot
"./datfile" u ($1/length3) : 4'
Do one of you have any idea how to do it?
As alternative I have the length written in a second file looking like the
following:

# time       length       number ....
t1              lengh1
t2              length2
t3              length3


But I have no idea how to access it. If you have an idea how to solve it,
or how i could arrange the datas differently to solve my problem, I would
be very happy about your answer.

Thank you very much benni

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