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Re: Help with an error with NonlinearModelFit, Mathematica 7.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg99578] Re: Help with an error with NonlinearModelFit, Mathematica 7.0
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 8 May 2009 00:17:15 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <gtudh6$it8$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

you ask where the error in the
data you "don't want to list them"  is
and you expect an answer ?

Wonderful !

Regards
   Jens

Anonymous wrote:
> I'm trying to find a fit to a large set of data.
> 
> Here are In[1], In[2].
> 
> In[1] := {{421.1, 6591.10}, ...};
> 
> (there are way more points, in fact there are 35 in total, but I don't
> want to list them.  All are real numbers.)
> 
> In[2] := nlm = NonlinearModelFit[data, Log[ak^2 + bk + c], {a,b,c}, k]
> 
> Then mathematica gives an error that basically says that the function
> "is not a list of real numbers"
> 
> Of course it is, so how do I fix this?
> 


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