[R] Matrix element-by-element multiplication

[R. Michael Weylandt]

Did you even try?

a <- 1:3
x <-  matrix(c(1,2,3,2,4,6,3,6,9),3)
a*x

     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    4    8   12
[3,]    9   18   27

Michael

On Fri, Nov 4, 2011 at 7:26 PM, Steven Yen <syen at utk.edu> wrote:
> is there a way to do element-by-element multiplication as in Gauss
> and MATLAB, as shown below? Thanks.
>
> ---
> a
>
>        1.0000000
>        2.0000000
>        3.0000000
> x
>
>        1.0000000        2.0000000        3.0000000
>        2.0000000        4.0000000        6.0000000
>        3.0000000        6.0000000        9.0000000
> a.*x
>
>        1.0000000        2.0000000        3.0000000
>        4.0000000        8.0000000        12.000000
>        9.0000000        18.000000        27.000000
>
>
> --
> Steven T. Yen, Professor of Agricultural Economics
> The University of Tennessee
> http://web.utk.edu/~syen/
>        [[alternative HTML version deleted]]
>
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