Re: Levenberg-Marquart code
- To: mathgroup at smc.vnet.net
- Subject: [mg19699] Re: Levenberg-Marquart code
- From: peter.buttgereit at pironet.de (Peter Buttgereit)
- Date: Sat, 11 Sep 1999 16:36:05 -0400
- Organization: communication works
- References: <7qvthp$4n8@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <7qvthp$4n8 at smc.vnet.net>, virgil.stokes at neuro.ki.se says... > I have been comparing FindMinimum and NonLinearFit on several data sets. > The results show that the Levenberg-Marquart algorithm > nearly always performs better -- at least for the data sets that I have used. > > Unfortunately, the Levenberg-Marquart algorithm is not an option for > FindMinimum > (Mathematica 3.01). Does anyone have Mathematica code for the Levenberg-Marquart > > algorithm? > > -- Virgil > > > Dear Virgil I don't have Mathematica code, either, but You can find very good explanation in Press et al.: Numerical Recipes in C. Cambridge Press, 1991 The math and statistics is explained in a way that You can almost type it into a Mathematica notebook;-) KR, Peter