Re: Data fitting with Mathematica 3.0
- To: mathgroup at smc.vnet.net
- Subject: [mg15435] Re: [mg15423] Data fitting with Mathematica 3.0
- From: "Darman Putra" <Darman at sg.pepperl-fuchs.com>
- Date: Mon, 18 Jan 1999 04:21:41 -0500
- Organization: Pepperl + Fuchs
- Sender: owner-wri-mathgroup at wolfram.com
hi Sergio,
maybe you can try this function..
Needs["NumericalMath`PolynomialFit`"];
f = PolynomialFit[werte, 10];
if the resulting funktion f still doesn't go through a certain point,
then you can increase the degree..
f = PolynomialFit[werte, 12];
best regards,
From: Sergio Luis dos Santos e Lucato
<lucato at hrzpub.tu-darmstadt.de> To: mathgroup at smc.vnet.net
Subject: [mg15435] [mg15423] Data fitting with Mathematica 3.0 Organization:
Darmstadt University of Technology
Hi,
Does anyone know how to tell Mathematica 3 that the resulting funktion f
has to go trough a certain point? I can not change my function, since
it is a physical modell. That is the coefficients have to be found the
way, that my conditions are met even if it is not the best fit. I could
not find any options in the manual.
un = Function[{x, n}, (1-x/c)^(n+0.5)]; f = Fit[werte, Table[un[x, n],
{n, 0, 2}], x];
Thanks, Sergio
Darman Putra
P+F Email. darman at sg.pepperl-fuchs.com WWW Email. dol2000 at hotmail.com