To you have an explanation to this operation ? I don't understand why it is working ! Thank you !
Edouard Hardy On Tue, Sep 17, 2013 at 8:47 AM, Edouard Hardy <hardy.edou...@gmail.com>wrote: > Thank you so much. This is perfect. > > > Edouard Hardy > > > On Tue, Sep 17, 2013 at 5:38 AM, Pascal Oettli <kri...@ymail.com> wrote: > >> Hello, >> >> To complete Arun's response, you also have: >> >> > sweep(b,2,a,'*') >> [,1] [,2] >> [1,] 1 8 >> [2,] 2 10 >> [3,] 3 12 >> >> or >> >> > b %*% diag(a) >> [,1] [,2] >> [1,] 1 8 >> [2,] 2 10 >> [3,] 3 12 >> >> Regards, >> Pascal >> >> >> 2013/9/17 arun <smartpink...@yahoo.com> >> >>> Hi, >>> t(a*t(b)) >>> # [,1] [,2] >>> #[1,] 1 8 >>> #[2,] 2 10 >>> #[3,] 3 12 >>> >>> A.K. >>> >>> >>> Hello eveybody, >>> >>> I have a vector a and a matrix b : >>> > a >>> [1] 1 2 >>> > b >>> [,1] [,2] >>> [1,] 1 4 >>> [2,] 2 5 >>> [3,] 3 6 >>> >>> With simple multiplication I get : >>> > a * b >>> [,1] [,2] >>> [1,] 1 8 >>> [2,] 4 5 >>> [3,] 3 12 >>> >>> I would like to have that : >>> [,1] [,2] >>> [1,] 1 8 >>> [2,] 2 10 >>> [3,] 3 12 >>> >>> Fo now I use replicate bu I would like to do this in a simple way. >>> >>> Do you have a solution ? >>> >>> Thank you in advance >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >> >> >> >> -- >> Pascal Oettli >> Project Scientist >> JAMSTEC >> Yokohama, Japan >> > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
