Message-ID: <1123545900.31784.52.camel@ipc143004.lif.icnet.uk>
Date: 2005-08-09T00:04:59Z
From: Adaikalavan Ramasamy
Subject: reverse order of matrix rows
In-Reply-To: <Pine.SGI.4.40.0508081943280.10828189-100000@origin.chass.utoronto.ca>
How about simply
mat <- mat[ nrow(mat):1, ]
Regards, Adai
On Mon, 2005-08-08 at 19:44 -0400, Jean Eid wrote:
> sapply(nrow(matrix):1, function(x) matrix[x,])
>
>
>
> On Mon, 8 Aug 2005, Jake wrote:
>
> > Quick question: how can I reverse the order of the rows in a matrix?
> > i.e. make the last row first and the first row last, etc.?
> >
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>
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