Re: [R] Can I avoid loops here ?

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Sun 01 Oct 2006 - 05:38:31 GMT

Try:

mapply("%*%", mylist1, mylist2, SIMPLIFY = FALSE)

Please provide self-contained examples as requested on the last line of every message to r-help. That means the data for X1, X2, Y1, Y2 should be included so one can run the code you post.

On 10/1/06, Tong Wang <wangtong@usc.edu> wrote:
> Hi,
> I have two lists of matrices, and I would like to get a list of term by term product, say,
> mylist1<- list( X1,X2); mylist2<-list(Y1,Y2)
>
> Need: mylist3<-list(X1%*%Y1,X2%*%Y2)
>
> Is there a way that allows me to do this without loops ?
>
> Thanks a lot.
>
> best
>
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>



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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. Received on Sun Oct 01 15:42:30 2006

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