Services & ResourcesWolfram ForumsMathGroup Archive

[Date Index] [Thread Index] [Author Index]

Re: Fitting data to a curve

• To: mathgroup at smc.vnet.net
• Subject: [mg73261] Re: [mg73221] Fitting data to a curve
• From: "Chris Chiasson" <chris at chiasson.name>
• Date: Fri, 9 Feb 2007 02:17:55 -0500 (EST)
• References: <200702080834.DAA04501@smc.vnet.net>

The coefficient of x^2 is 1

On 2/8/07, Peter Jay Salzman <p at dirac.org> wrote:
> I have a table of {x,y} data and a function:
>
>    a y^2 + b x y + c x + d y + e  =  x^2
>
> I'd like to do a least fit to determine the constants a, b, c, d, and e.  I
> think the function I want is Fit[] or FindFit[], but I can't coax Mathematica to do
> this.  I'm not entirely sure what to do with that x^2 since it has no
> coefficient.
>
> I've never used these functions before; how can I do this least squares fit?
>
> Thanks!
>
>


-- 
http://chris.chiasson.name/

• References:
  • Fitting data to a curve
    • From: Peter Jay Salzman <p@dirac.org>