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OT nonlinear..

I need to find formula for this function:

http://qrange.150m.com/misc/plot.htm


What is good program for nonlinear regression that could help me?

At the moment, I'm using this formula:
Y*X=22,5

or
I*V=22,5 Watt

but its not very precise.


BTW, I'm a total newbie.
It seems that all programs require knowledge of function form and then
they calculate parameters, right? So what form should I use?
 
J

Jim Thompson

Jan 1, 1970
0
I need to find formula for this function:

http://qrange.150m.com/misc/plot.htm


What is good program for nonlinear regression that could help me?

At the moment, I'm using this formula:
Y*X=22,5

or
I*V=22,5 Watt

but its not very precise.


BTW, I'm a total newbie.
It seems that all programs require knowledge of function form and then
they calculate parameters, right? So what form should I use?

If you can provide the data as numerical point-pairs, I can run it
through my curve fitter.

...Jim Thompson
 
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