Sorry, there was an error. Try this: x <- matrix(1:4, 2) y <- 10 * x matrix(t(cbind(x, y)), nc = 2, byrow = TRUE)
On Mon, Feb 2, 2009 at 12:32 PM, Gabor Grothendieck <ggrothendi...@gmail.com> wrote: > Try this: > > matrix(rbind(x, y), nc = 2, byrow = TRUE) > > > On Mon, Feb 2, 2009 at 10:52 AM, Shruthi Jayaram > <shruthi.jayaram...@gmail.com> wrote: >> >> Hi, >> >> I have a very basic question on merging two matrices by alternating the >> rows. For illustration, assume two matrices - >> >> A looks like: >> >> 10 10 >> 10 10 >> >> B looks like: >> >> 20 20 >> 20 20 >> >> How do I combine them such that I get alternating rows from A and B? My >> final result should be C which looks like: >> >> 10 10 >> 20 20 >> 10 10 >> 20 20 >> >> Thanks very much, and I am sorry for such a newbie question. >> >> Shruthi >> -- >> View this message in context: >> http://www.nabble.com/Matrix-tp21792064p21792064.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> 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. >> > ______________________________________________ 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.