[R] Optimize a function with Discrete inputs

[Eik Vettorazzi]

Hi,
not sure if that is what you are looking for, but have a look at

cmb<-t(combn(c(0,3,5,8),2))   #get all pairs of combinations
cbind(cmb,apply(cmb,1,diff))  #for each pair, get the difference

cheers


Am 01.08.2012 12:29, schrieb loyolite270:
> Hi
> 
> I need to optimize the below function:
> 
> a=function(x){
>      A=x[1]
>      B=x[2]
>      C=B-A
> return(C)
> }
> 
> I need to optimize the above function such that x can be any combination of
> these number (0,3,5,8) of vector length 2
> (i.e) x can be (3,0), (5,0), (8,0), (3,5), (3,8), (5,8), ...... etc
> 
> can someone please help me solve this problem ?
> 
> 
> 
> 
> --
> View this message in context: http://r.789695.n4.nabble.com/Optimize-a-function-with-Discrete-inputs-tp4638644.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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-- 
Eik Vettorazzi

Department of Medical Biometry and Epidemiology
University Medical Center Hamburg-Eppendorf

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