Try this:
aperm(outer(i %o% k, j, FUN = "-"), c(1, 3, 2))
On Fri, Jan 29, 2010 at 9:58 AM, Kohleth Chia <kohleth at gmail.com>
wrote:> Hi,
>
> How can we vectorize multiple for loops?
>
> E.g. how do you vectorize this:
>
> for (i in 1:10){
> ?for(j in 1:25){
> ?for(k in 1:19){
> ? x[i,j,k]=i*k-j
> ?}
> ?}
> }
>
> THanks
> ------------
> KC
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Henrique Dallazuanna
Curitiba-Paran?-Brasil
25? 25' 40" S 49? 16' 22" O