[R] multiroot() anyone?
Prof Brian D Ripley
ripley at stats.ox.ac.uk
Tue Mar 19 22:47:43 CET 2002
On Tue, 19 Mar 2002, Mai Zhou wrote:
> Dear list, Did anybody have something like multiroot(),
> similar to uniroot() only for several varibles/function?
> I know the difficulty several varibles bring. But for
> nice functions, it can be useful.
> We are thinking of writing one....I thought to ask first.
I use optim() on the squared difference from the target value (here zero).
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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