[R] Vector elements and ratios

[Chuck Cleland]

Andrej Kastrin wrote:
> Dear useRs,
> 
> I have two different length vectors: one column (1...m) and one row 
> vector (1...n):
> 
> 20
> 40
> 20
> 60
> 
> 5 4 2
> 
> Now I have to calculate ratios between column vector elements and each 
> row vector elements:
> 
> 4 5 10
> 8 10 20
> 4 5 20
> 15 12 30

A <- c(20,40,20,60)
B <- c(5,4,2)

A %*% t(1/B)
      [,1] [,2] [,3]
[1,]    4    5   10
[2,]    8   10   20
[3,]    4    5   10
[4,]   12   15   30

> Thank's in advance for any suggestions,
> 
> Andrej
> 
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