[R] A matrix automation problem

[Greg Snow]

Does this help point you in a useful direction?

> a <- matrix(1:9, 3) * 10
> b <- matrix(1:9, 3)
> kronecker(b,a)



--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of megh
> Sent: Wednesday, October 22, 2008 3:22 AM
> To: r-help at r-project.org
> Subject: [R] A matrix automation problem
>
>
> [I am really sorry if it is double posted, I doubt me previous post
> could not
> reach forum due to some problem with net]
>
> Suppose I have a matrix :
>
> a = matrix(1:9, 3)
>
> >From this matrix, I construct 9 additional matrices :
>
> i = 1:9
> bi = a * i
>
> Now combining all those 9 new matrices, I construct a final metrix as :
>
> c =
>
> b1 b4 b7
> b2 b5 b8
> b3 b6 b8
>
> I want to automate this procedure for any arbitrary number "i"
>
> Can anyone please help me how to do that?
>
> Rgd,
>
>
> --
> View this message in context: http://www.nabble.com/A-matrix-
> automation-problem-tp20106932p20106932.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help at 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.