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Re: curve fitting question

• To: mathgroup at smc.vnet.net
• Subject: [mg115423] Re: curve fitting question
• From: Gabriel Landi <gtlandi at gmail.com>
• Date: Tue, 11 Jan 2011 00:31:28 -0500 (EST)

I believe you can use the NonlinearModelFit to fit it directly.

There is an example here:
http://reference.wolfram.com/mathematica/ref/NonlinearModelFit.html
It is under "Generalization and Extensions"

On Mon, Jan 10, 2011 at 5:34 AM, Michael B. Heaney <mheaney at alum.mit.edu>wrote:

> Hi,
>
> I have data in (x,y) pairs. I have an equation:
>
>  y= a +b (Exp[40*(x + c*y)/d] - 1) - (x +c*y)/e
>
> where a,b,c,d, and e are fitting parameters.
>
> Note that this equationcannot be put in the form y=f(x).
>
> How do I fit this equation to my x,y data?
>
> Thanks,
>
> Michael
>
>
>