[R] numerical intergation

Robin Hankin r.hankin at noc.soton.ac.uk
Mon Sep 5 12:13:28 CEST 2005


Hi Allan

you need adapt() from the adapt package.

 > library(adapt)
 > ?adapt
 > adapt(2,lower=c(-2,4),upper=c(0,10),functn=function(z){prod(z)})
       value      relerr      minpts      lenwrk       ifail
         -84 7.38275e-08         165          73           0
 >


NB: untested


HTH

rksh



On 5 Sep 2005, at 10:59, Clark Allan wrote:

>
>
> how does one numerically intergate the following:
>
> A=function(x,y)
> {
>     xy
> }
>
> over the range: 2<x<0    4<y<10
>
> say.
>
>
> ie how would one set up the integrate function?
>
> i forgot!______________________________________________
> R-help at stat.math.ethz.ch mailing list
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--
Robin Hankin
Uncertainty Analyst
National Oceanography Centre, Southampton
European Way, Southampton SO14 3ZH, UK
  tel  023-8059-7743




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