Re: [R] Optimzing a nested function

From: Mario Valle <mvalle_at_cscs.ch>
Date: Tue, 12 Apr 2011 09:07:31 +0200

P.S.: It is bad taste to call a variable 'sum' because it is a R function.

Ciao!

                     mario

On 12-Apr-11 08:33, vioravis wrote:
> I am trying to optimize a nested function using nlminb. This throws out an
> error that y is missing. Can someone help me with the correct syntax?? Thank
> you.

>
> test1<- function(x,y)
> {
> sum<- x + y
> return(sum)
> }
>
> test2<- function(x,y)
> {
> sum<- test1(x,y)
> sumSq<- sum*sum
> return(sumSq)
> }
>
> nlminb(start = c(1,1), test2,lower = c(0,0), upper = c(5,5))
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Optimzing-a-nested-function-tp3443825p3443825.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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-- 
Ing. Mario Valle
Data Analysis and Visualization Group            | 
http://www.cscs.ch/~mvalle
Swiss National Supercomputing Centre (CSCS)      | Tel:  +41 (91) 610.82.60
v. Cantonale Galleria 2, 6928 Manno, Switzerland | Fax:  +41 (91) 610.82.82

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Received on Tue 12 Apr 2011 - 07:35:17 GMT

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