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Fit data with range

  • To: mathgroup at
  • Subject: [mg88364] Fit data with range
  • From: Ivan <darknails at>
  • Date: Sat, 3 May 2008 06:15:14 -0400 (EDT)


I want to fit a polynomial function to a set of data,
only between say xmin to xmax. How can I do that?
I know only how to fit the whole range.

For example:

data = ReadList["file.dat",{Number,Number}];

fit = Fit[data,{1,x,x^2},x]



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