[R] Element-by-element multiplication operator?

[David Forrest]

On Wed, 9 Nov 2005, Gates, Michael BGI SF wrote:

> Is there an element-by-element multiplication in R, like the .* operator in Matlab?
>
> eg: A (2x3)
>      B (2x3)
> C=A.*B
> C (2x3)
> C = [[a11*b11  a12*b12  a13*b13]; [a21*b21  a22*b22  a23*b23]]
>
> I can't find one...

It is the default:

matrix(1:6,nrow=2) * cbind(1:2,1:2,1:2)
     [,1] [,2] [,3]
[1,]    1    3    5
[2,]    4    8   12

>
> Thanks
>
> -Mike Gates
>
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-- 
 Dr. David Forrest
 drf at vims.edu                                    (804)684-7900w
 drf5n at maplepark.com                             (804)642-0662h
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