[Gnuplot-info] Are you able to help me wit this task in Gnuplot

[Frank R. P. <fr...@st...>]

I'm working with a project at school and are struggling with a task in=20
Gnuplot. I don't know if it's possible.

I have an ASCII file with about 20 columns of numbers (one of those colum=
ns=20
are barometric pressure) and there is no problem making a graph of any of=
 the=20
columns. The task I'm struggling with is how to include one of those colu=
mns=20
in an equation, and get a graph. I will try to describe this by an exampl=
e.

One of the columns is some thousand samples of barometric pressure as a r=
ocket=20
goes up. I'm getting a nice curve from those samples. I also have an equa=
tion=20
which I may use to calculate the height from barometric pressure. How May=
 I=20
get Gnuplot to use this equation and the column from the ASCII file to gi=
ve me=20
an altitude graph?


Frank R. Pettersen

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