[R] elegant way to minus on each row of a matrix

From: Bo Zhou <bozhou1981_at_hotmail.com>
Date: Sun, 02 Mar 2008 17:42:51 +0000

How to do this in an elegant way formatrix/data frame/zoo?

mat=
1 2 3
4 5 6
7 8 9

vector=
1
2
3

result=
0 1 2
2 3 4
4 5 6

ie

1-1  2-1  3-1
4-2  5-2  6-2
7-3  8-3  9-3

Thanks in advance.


08

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