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MathGroup Archive 1998

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Re: curve fitting



Paul,
I might try the more general form f[x_]=b*Exp[a*x], then linearize.

you would then have

Log[f[x_]] = Log[b]+a*x

which can be handled with the Fit command.

Sherman C. Reed
sherman.reed@worldnet.att.net

----------
> From: Paul.Hanson@colorado.edu
To: mathgroup@smc.vnet.net
> To: mathgroup@smc.vnet.net
> Subject: [mg10372] [mg10355] curve fitting
> Date: Thursday, January 08, 1998 10:41 PM
> 
> I'm trying to fit a function of the form: f[x_]:= Exp^(a*x)
> 
> Now, I can fit the exponential without the constant, but I'm really
> interested in knowing what the constant is but I haven't found a way to
> code this.   Helpful suggestions?
> 
> Dr. Paul Hanson, Ph.D.
> University of Colorado, Boulder
> 
> -- 
> 				 * * 
>                                 *    *
>                            /\    */\*
>                           /  \   /  \ /\



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