[R] Can I use tabu search for minimization problem ?

[Enrico Schumann]

Zitat von Mars Xu <xujiao.mycafe at gmail.com>:

> Hi all,
> 	I want to use tabu search to solve my minimization problem. but  
> tabu search in R is for maximization, so I turn my function from f  
> to -f， but the eUtilityKeep always be 0 from the second position. I  
> have go through a part of source code found that it always give the  
> default value to compare,
>
> move <- ifelse(maxTaboo > maxNontaboo & maxTaboo > aspiration,
>                          ifelse(length(which(neighboursEUtility ==  
> maxTaboo)) == 1,
>                                 which(neighboursEUtility ==  
> maxTaboo), sample(which(neighboursEUtility == maxTaboo), 1)),
>                          ifelse(length(which(neighboursEUtility ==  
> maxNontaboo & tabuList == 0)) == 1,
>                                 which(neighboursEUtility ==  
> maxNontaboo & tabuList == 0), sample(which(neighboursEUtility ==  
> maxNontaboo & tabuList == 0), 1)))
>
> this cause the 0 value.
>
> How can I use it to get my minimization value using tabu search in R ?
>
> Thanks .

If you want people to help you, provide a minimal (or, at least, small)
reproducible code example. In particular, tell people what package(s)
you are using.


-- 
Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net