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Re: Nonlinear Least Squares lsqnonlin

  • To: mathgroup at smc.vnet.net
  • Subject: [mg110248] Re: Nonlinear Least Squares lsqnonlin
  • From: "M.Roellig" <markus.roellig at googlemail.com>
  • Date: Thu, 10 Jun 2010 08:08:26 -0400 (EDT)
  • References: <huntg8$bp6$1@smc.vnet.net>

On 9 Jun., 13:21, Juan Jose Cardenas <juanj... at yandex.ru> wrote:
> I'm trying to solve a system of non-linear equations that involves
> logarithms of several variables. I have developed code in another system to do
> so using the function lsqnonlin.  Is there an equivalent function in
> Mathematica 7?
>
> I need to input the function matrix, the initial approximation vector,
> and the precision and get a vector with the solution values of the
> variables.
>
> I don't seem to find anything by searching on the web.
>
> Thank you

Hi,

did you look in the documentation?

Check out FindFIt or NonlinearModelFit


Markus


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