[R] eigenvalue ordering

[Peter Dalgaard]

Alberto Monteiro wrote:
> Kaustubh Patil wrote:
>   
>>  Is it possible to get unordered eigenvalues and eigenvectors of a 
>> symmetric matrix in R?
> Yes, see help("eigen").
>   
Er, where do you see anything about (un)order? As far as I know, there's 
no "natural" ordering of eigenvalues and eigenvalue algorithms generally 
find them  in  either increasing or decreasing order (or closest to 
specified value).
> If you are strict about the unordered part, do a sample(set, size)
> to randomize the eigenvalues.
>