Re: naive question

*To*: mathgroup at smc.vnet.net*Subject*: [mg92829] Re: naive question*From*: "sjoerd.c.devries at gmail.com" <sjoerd.c.devries at gmail.com>*Date*: Tue, 14 Oct 2008 04:58:51 -0400 (EDT)*References*: <gcv7ku$e63$1@smc.vnet.net>

On Oct 13, 12:24 pm, Francisco Gutierrez <fgutiers2... at yahoo.com> wrote: > 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: > {1.55556,0.555556,0.444444} > > It seem awfully simple, but I haven't managed. > How can I do it? > Thanks > Francisco Coefficient or CoefficientList should do the trick. Cheers -- Sjoerd