Re: Corresponding function to given values...
- To: mathgroup at smc.vnet.net
- Subject: [mg35975] Re: [mg35966] Corresponding function to given values...
- From: BobHanlon at aol.com
- Date: Sun, 11 Aug 2002 05:13:33 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 8/9/02 5:07:06 PM, Sven.Richter at unibw-muenchen.de writes:
>Is there a possibility that Mathematica gives me a function to given
>pairs of values?
>In other words: I have several pairs like {1, 2}, {2, 4}, {3, 9}. And I
>what like to know the corresponding function (what is in this example
>obviously f[x]=x^2).
You have to give it a model to which to fit the data.
Needs["Statistics`NonlinearFit`"];
data = {{1,1},{2,4},{3,9}};
model = a*x^2+b*x+c;
NonlinearFit[data, model, x, {a,b,c}]//Chop
1.*x^2
Bob Hanlon
Chantilly, VA USA