[R] evolution of Nelder-Mead process

[Paul Hiemstra]

Juliane Struve wrote:
> Dear list,
>  
> I am looking for an R-only implementation of a Nelder-Mead process that can find local maxima of a spatially distributed variable, e.g. height, on a spatial grid, and outputs the coordinates of the new point during each evaluation. I have found two previous threads about this topic, and was wondering if something similar has been implemented since those messages were posted. 
>  
> Thank you for any suggestions how to approach this task or where to look.
>  
> Juliane 
>  
> Previous posts:
>  
> www.mail-archive.com/r-help at r-project.org/msg13078.html 
> http://www.nabble.com/Nelder-Mead-with-output-of-simplex-vertices-tp25838572p25869383.html
>  
> Dr. Juliane Struve
> Environmental Scientist
> 10, Lynwood Crescent
> Sunningdale SL5 0BL
> 01344 620811 
>
>
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>   
Hi,

Look at the optim() function, it has Nelder-Mead implemented.

cheers,
Paul

-- 
Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
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