Message-ID: <B7DA3DD1.B575%pflugshaupt@geobot.umnw.ethz.ch>
Date: 2001-09-28T12:46:41Z
From: Kaspar Pflugshaupt
Subject: Using a zero-finding routine in R
In-Reply-To: <Pine.LNX.4.21.0109280906350.29001-100000@jurema.cin.ufpe.br>
On 28.9.2001 14:20 Uhr, Carlos Alberto Kamienski wrote:
> Hello all!
>
> I'd like to use a routine in R to find the zero of a function (like
> Newton-Raphson, Broyden, etc.)
> In the manual, I found a reference to Newton-Raphson method in the
> "qr" function, but I simply wonder how I could use it to implement such a
> method.
Have a look at uniroot(), or optim() for more complex tasks.
Cheers
Kaspar
--
Kaspar Pflugshaupt
Geobotanisches Institut
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