Re: NonlinearFit array to function defined by NDSolve?

• To: mathgroup at smc.vnet.net
• Subject: [mg44582] Re: NonlinearFit array to function defined by NDSolve?
• From: "Curt Fischer" <crf3 at po.cwru.edu>
• Date: Sat, 15 Nov 2003 02:05:10 -0500 (EST)
• References: <bp22i3\$201\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```"L. Vergara" <lvergara at lauca.usach.cl> wrote in message
news:bp22i3\$201\$1 at smc.vnet.net...

I've always wondered a good way to do this too.  You'll probably get lots of
responses here but researching Google led me to a past post from this group:

(If you prefere instant clickability: http://tinyurl.com/v0n1 )

in which Carl Woll explains the matter nicely.

--
Curt Fischer

> Hi,
>
> could somebody help me with the following issue?:
>
> Regarding the package "Statistics'NonlinearFit", is it possible to fit
> an
> array of preexisting data with a function defined by NDSolve?
>
> Example:
>
> f[y_,a_,b_] :=NDSolve[x'[y] == (y^2/2 + a y + b)/Sqrt[1 -(y^2/2 + a y +
> b)^2], x[0] == .6}, y, {y, 0, 1.5}];
>
>
> Regards,
>
> Lautaro
>
>
>
>

```

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