[R] Equivalent to matlab ".*" operator in R

Berend Hasselman bhh at xs4all.nl
Wed Nov 19 15:50:03 CET 2014


On 19-11-2014, at 15:22, Ruima E. <ruimaximo at gmail.com> wrote:

> Hi,
> 
> I have this:
> 
> y = matrix(cbind(c(0, 0.5, 1),c(0, 0.5, 1)),ncol=2)
> z = matrix(c(12, -6),ncol=2)
> 
> In matlab I would do this
> 
>> y .* x
> 
> I would get this in matlab
> 
>> ans
> 0    -0
> 6    -3
> 12   -6
> 
> What is the equivalent in R?
> 

One way of doing this could be:

y * rep(z,1,each=nrow(y))

Berend

> Thanks
> 
> 	[[alternative HTML version deleted]]
> 
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