A matrix is just a vector with a dim attribute, so if you remove
the dim attribute it'll be a vector. The elements of a matrix
are stored columnwise so you'll get just what you want, if i get
your question right.

> g <- matrix(1:6, nc=2, nr=3)
> g
  [,1] [,2]
[1,]   1   4
[2,]   2   5
[3,]   3   6
> dim(g) <- NULL
> g
[1] 1 2 3 4 5 6
>

Gabor

On Wed, Mar 28, 2007 at 10:27:48AM -0700, A Ezhil wrote:
> Hi,
>
> I have a matrix HR(9x27). I would like to make a
> single vector with elements: t(HR[,1]) followed by
> t(HR[,2]) and then t(HR[,3] ... etc. Is there any neat
> way of converting this matrix into a vector rather
> doing something like c(t(HR[,1]), t(HR[,2]), t(HR[,3])
> ..)?
>
> Thanks in Advance.
> Kind regards,
> Ezhil
>
>
>
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--
Csardi Gabor <csardi@(protected)

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