Re: Putting NonLinear fit into a For[ ] Loop
- To: mathgroup at smc.vnet.net
- Subject: [mg44461] Re: Putting NonLinear fit into a For[ ] Loop
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 10 Nov 2003 19:55:46 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <boig80$oh5$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
why do you have the Needs[] in the For[]-loop ??
and why the Needs[] has no ";" at it's end ?
Regards
Jens
mhd wrote:
>
> Seems like this should have been easy to Find a mathematica eg...
>
> I have hunderds of data files, each with two "gausian peaks"
> I want to import the files Fit one Peak and subtract it from the file
> leaving the other peak. I can get the code to work fine if I do only one
> file. I put it into the For [ ] Loop and get stuck. I am testing with 5
> data files, all imports fine in the loop then hits the below code and I get
> one fit out or none and errors
>
> any suggestion on how to do this or a link to an example...
> Thanks
>
> Dudley
> Dept of Physics
> WSU
>
> Clear["Ffit*"]; Clear["fit*"];
> For[i = 1, i <= Length[datasetnames], i++,
>
> Needs["Statistics`NonlinearFit`"]
>
> Evaluate[ToExpression["fitted" <> ToString[i]]] =
> NonlinearFit[Evaluate[ToExpression["fluordata" <> ToString[i]]],
> yo+Amp*E^((-E^((-x + 9.8)/w)) - (x - 9.8)/w + 1), x, {y0,Amp,w},
> MaxIterations -> 1800]
>
> ] (* < --- Closes For[] statement *)
>
> Set::write: Tag Times in fitted1Null is Protected. more...