[R] Element-by-element multiplication operator?
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Wed Nov 9 21:23:46 CET 2005
"Gates, Michael BGI SF" <Michael.Gates at barclaysglobal.com> writes:
> 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's * , plain and simple. The _other_ one is %*%.
> Thanks
>
> -Mike Gates
>
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