Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2007
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2007

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

Search the Archive

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/


  • Prev by Date: Unwrap list of angles
  • Next by Date: Plot n sets of 2D data in 3D
  • Previous by thread: Fitting data to a curve
  • Next by thread: Re: Fitting data to a curve