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MathGroup Archive 2001

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Re: Can Fit give function coefficients?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg31149] Re: Can Fit give function coefficients?
  • From: aes <siegman at stanford.edu>
  • Date: Sat, 13 Oct 2001 02:47:16 -0400 (EDT)
  • Organization: Stanford University
  • References: <9pu3u0$bc8$1@smc.vnet.net> <9q0udq$nlt$1@smc.vnet.net> <9q676b$rtm$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In article <9q676b$rtm$1 at smc.vnet.net>, bap at roe.ac.uk (Brett Patterson) wrote:

> I think it's reasonable and not uncommon to want to know the numerical
> coefficients to functions f1, f2, f2, ..., in a fit to some data
> where the functions f1, f2, f3, ... may themselves contain multipliers.
> I'm just asking for the multipliers to be separated from the coefficients.

I just want to endorse this opinion.  There are lots of physical problems, in 
fact, where the coefficients (not the total fit function) are the primary things 
you want to know, and it's a design weakness that the basic Fit[] function 
doesn't give them.


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