[R] output in optim

[Prof Brian D Ripley]

On Fri, 12 May 2000, Brigitta Voss wrote:

> I would like to use 'optim' with method="L-BFGS-B". 
> But I could not figure out, how to get the function value after any
> iteration, like You get them using method="BFGS"?

You mean as debugging trace?  That is set up differently for each of the
optimization methods, and not available for L-BFGS-B.

The best idea is to make your function print out the value each time it
is called.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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