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naive question

  • To: mathgroup at
  • Subject: [mg92781] naive question
  • From: Francisco Gutierrez <fgutiers2002 at>
  • Date: Mon, 13 Oct 2008 06:18:24 -0400 (EDT)
  • Reply-to: fgutiers2002 at

Dear Friends:
I am using Fit within a function, and I want it to produce only a list of
 coefficients, without the variables.
For example, if I plug into fit the following: Fit[{{1,2,3},{4,5,6},{7,8,9}},{1,x1,x2},{x1,x2}],
Mathematica produces:
1.55556+0.555556 x1+0.444444 x2
I want to get only the following list:
It seem awfully simple, but I haven't managed.
How can I do it?

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