Hi
mapply("+", a, b)
Regards
Petr
[EMAIL PROTECTED] napsal dne 03.09.2007 08:36:10:
> I want to try to get a result of element wise addition between a
> vector and a list. It can be done with "for statement." In order to
> reducing computing time, I have tried to avoid "for state." If anybody
> give me an idea, I would apprecite it much.
>
> for example, with a & b as below lines,
>
> a<- list(c(1,3),c(1,2),c(2,3))
> b<-c(10,20,30)
>
> I would like to have a list (like "d") or a vector (like "e") as below.
>
> d<-list(c((1+10),(3+10)),c((1+20),(2+20)),c((2+30),(3+30)))
> e<- c((1+10)+(3+10),(1+20)+(2+20),(2+30)+(3+30))
>
> Thanks,
>
>
> Yongwan Chun
>
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