[R] divid the rows of the matrix by the cector

Dimitris Rizopoulos d.rizopoulos at erasmusmc.nl
Thu Mar 11 13:47:53 CET 2010

say 'mat' is your matrix and 'vec' is your vector, then try this:

mat / rep(vec, each = m)

I hope it helps.


On 3/11/2010 1:44 PM, khazaei at ceremade.dauphine.fr wrote:
> Hi,
> I have a matrix with  m rows and n column  and a vector with n elements. I
> want to divid each rows of the matrix by vector direcly.
> could you please hint  me?
> Thank you
> khazaei
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Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

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