Ok, I know this waybut if i have a lot of matrix, does a function exist to sum all of them elements by elements?
2009/5/21 Jorge Ivan Velez <jorgeivanve...@gmail.com> > > Dear Daniele, > Try this: > > A <- matrix(1:10,ncol=2) > B <- matrix(10:20,ncol=2) > A+B > #[,1] [,2] > #[1,] 11 21 > #[2,] 13 23 > #[3,] 15 25 > #[4,] 17 27 > #[5,] 19 29 > > HTH, > > Jorge > > > On Thu, May 21, 2009 at 11:11 AM, daniele riggi > <daniele.ri...@gmail.com>wrote: > >> Someone knows the existence of a function to sum the elements of the same >> place A[i,j] B[i,j] of a matrix?thank you >> >> >> -- >> Dr. Daniele Riggi, PhD student >> University of Milano-Bicocca >> Department of Statistics >> Building U7, Via Bicocca degli Arcimboldi, 8 >> 20126 Milano, Italy >> cell. +39 328 3380690 >> mailto: daniele.ri...@gmail.com >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@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. >> > > -- Dr. Daniele Riggi, PhD student University of Milano-Bicocca Department of Statistics Building U7, Via Bicocca degli Arcimboldi, 8 20126 Milano, Italy cell. +39 328 3380690 mailto: daniele.ri...@gmail.com [[alternative HTML version deleted]] ______________________________________________ R-help@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.
