Try this: b %o% a
On Wed, Mar 17, 2010 at 3:03 PM, Kaspar Bernet <kber...@student.ethz.ch> wrote: > Hi, > > this may sound stupid (and it probably is), but I can't seem to find out how > to multiply each element of a vector with each element of another vector > where the result would be a matrix of > dim[length(vectorOne),length(vectorTwo)] without using loops. > > example: if > > a -> c(1,2,3) > b -> c(4,5,6) > > i'm looking for the operation that would yield: > > [,1] [,2] [,3] > [1,] 4 8 12 > [2,] 5 10 15 > [3,] 6 12 18 > > any hints are greatly appreciated, > kaspar > > --------------------------------------------- > kaspar bernet kber...@student.ethz.ch > stationsstrasse 32 8442 hettlingen > tel 052 301 12 33 mobil 079 789 75 61 > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.