Try this: t(mat[3:1,])
On Thu, Mar 18, 2010 at 4:10 PM, dc896148 <cyr.de...@gmail.com> wrote: > > useR's, > I want to be able to rotate a matrix 90 degrees, clockwise. For example, >> mat > [,1] [,2] [,3] > [,1] 1 2 1 > [,2] 3 2 6 > [,3] 4 5 3 > > I want to rotate it, so that it looks like this... > [,1] [,2] [,3] > [,1] 4 3 1 > [,2] 5 2 2 > [,3] 3 6 1 > > Does anyone know a quick and straightforward way to do this? > > Thanks in advance. > -- > View this message in context: > http://n4.nabble.com/can-I-rotate-a-matrix-tp1598469p1598469.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. > -- 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.
