Re: Nonlinear Least Squares lsqnonlin
- To: mathgroup at smc.vnet.net
- Subject: [mg110239] Re: Nonlinear Least Squares lsqnonlin
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Thu, 10 Jun 2010 08:06:48 -0400 (EDT)
- References: <huntg8$bp6$1@smc.vnet.net>
Perhaps FindMinimum, Minimize, or NMinimize can be used to do this. But before you start doing it the hard way, are you sure that a function like NSolve can't solve your equations? Cheers -- Sjoerd On Jun 9, 1:21 pm, 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