[R] how to creat a matrix

Robin Hankin rksh1 at cam.ac.uk
Fri Dec 11 17:10:14 CET 2009


Hi

try

R> library(magic)
R>  ashift(diag(5),1)

HTH
rksh



enrique Dallazuanna wrote:
> Try this:
>
> N <- 5
> diag(1, N)[c(N, 1:(N - 1)),]
>
> On Fri, Dec 11, 2009 at 1:47 PM, Moohwan Kim <kmhlmj2 at gmail.com> wrote:
>   
>> Dear R family
>>
>>  I am attempting to create a matrix. e.g.,
>>  0 0 0 0 1
>>  1 0 0 0 0
>>  0 1 0 0 0
>>  0 0 1 0 0
>>  0 0 0 1 0
>>  How could I write a R program?
>>  Later I want to extend it to a N by N case.
>>  Thanks in advance
>>
>>  best
>>  Moohwan
>>
>> ______________________________________________
>> 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.
>>
>>     
>
>
>
>   


-- 
Robin K. S. Hankin
Uncertainty Analyst
University of Cambridge
19 Silver Street
Cambridge CB3 9EP
01223-764877




More information about the R-help mailing list