On 6/18/07, elyakhlifi mustapha <elyakhlifi_mustapha@yahoo.fr> wrote:
>
> hello,
> are there functions giving the columns number and the rows number of a
> matrix?


Yes, there are.

Are you trying to use R without reading *any* documentation???
The mailing list is not a substitute for the manuals.
See the Posting guide.

Christophe



thanks.
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-- 
Christophe Pallier (http://www.pallier.org)

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