[R] Divide matrix columns by different numbers

[Pascal Oettli]

Hi,

?sweep

Regards,
Pascal


On 05/02/2013 03:28 PM, Sachinthaka Abeywardana wrote:
> Hi all,
>
> I have a feeling the most efficient way to do the following is to use
> apply, but I'm still wrapping my head around the function.
>
> k=matrix(1:6,nrow=3)
>
> div=1:2
>
>
> Questions is how do I get R to divide the first column by 1 (div[1]) and
> the second column by 2 (div[2])
>
> k/div treats k as a vector and does the following (not what I want)
>
>> k/div
>
>
>        [,1] [,2]
> [1,]    1    2
> [2,]    1    5
> [3,]    3    3
>
>
>
> Thanks,
> Sachin
>
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