I have a 10 x 2 matrix x. Like to divide the first column by s[1] and
second column by s[2]. The following lines work but are clumsy. Any
idea? Thanks.
> x
[,1] [,2]
[1,] 1 11
[2,] 2 12
[3,] 3 13
[4,] 4 14
[5,] 5 15
[6,] 6 16
[7,] 7 17
[8,] 8 18
[9,] 9 19
[10,] 10 20
> s
[1] 1 2
> t(t(x)/s)
[,1] [,2]
[1,] 1 5.5
[2,] 2 6.0
[3,] 3 6.5
[4,] 4 7.0
[5,] 5 7.5
[6,] 6 8.0
[7,] 7 8.5
[8,] 8 9.0
[9,] 9 9.5
[10,] 10 10.0
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