Automatic multiplication between vector and matrix

Question

I have this R code:

> coef
[1] 1.5 2.4 3.9 4.4
> y
     [,1] [,2] [,3] [,4]
[1,]    1    2   12   45
[2,]    5    6    7    8
[3,]    9   10    2   12
         


        

Answer 1

This will give you what you want:

t( t(y) * coef  )