On 19/03/2010, at 8:10 AM, dc896148 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?
Does
t(mat[nrow(mat):1,])
float your boat?
cheers,
Rolf Turner
######################################################################
Attention:\ This e-mail message is privileged and confid...{{dropped:9}}
______________________________________________
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.
