Re: Nonlinear Least Squares lsqnonlin
- To: mathgroup at smc.vnet.net
- Subject: [mg110252] Re: Nonlinear Least Squares lsqnonlin
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Thu, 10 Jun 2010 08:09:10 -0400 (EDT)
On 6/9/10 at 7:21 AM, juanjose at yandex.ru (Juan Jose Cardenas) 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. =46indFit will do this. Or if you need more diagnostics for the fit, there is NonlinearModelFit. See the documentation for examples showing usage of FindFit and NonlinerModelFit