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Re: StartingParameters

  • To: mathgroup at smc.vnet.net
  • Subject: [mg16503] Re: [mg16447] StartingParameters
  • From: "Rajdeep S. Kalgutkar" <rajdeep at chem.nwu.edu>
  • Date: Tue, 16 Mar 1999 03:59:50 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

Katarina,

Take the starting parameters statement out.
e.g.  NonlinearRegress[datatable, p[t], t, {kon, koff}, {{kon,
0.2},{koff,10^8}}]
NonlinearFit has the same syntax.

Hope this helps...
rajdeep

At 02:21 AM 3/13/99 -0500, you wrote:
>Hello,
>   I am trying to use the option of giving starting parameters for a
>NonlinearRegress command. I can't figure out the correct syntax for
>this. Can anyone let me know the correct way to list the starting values
>for two parameters in NonlinearRegress (or I think it should be the same
>as NonlinearFit also)
>
>Here is what I am trying:
>NonlinearRegress[datatable, p[t], t ,{kon, koff}, StartingParameters ->
>{{kon, 0.2},{koff,10^8}}]
>
>I would like to have the data in the table (datatable) fit to the model
>( p[t]) with the variables  ( t) and the parameters ( kon and koff)
>staring at 0.2 for kon and 10^8 for koff. It doesn't fit when I try
>without giving the starting parameters. What is the correct way to put
>the starting parameters in the above statement?
>
>I hope this question makes sense. Any help is greatfully appreciated.
>
>Thank you,
> Katarina
>
>Katarina Midelfort
>Center for Biophysics and Computational Biology
>University of Illinois
>midelfor at uiuc.edu
>
>



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