Re: smw formula for eigen updates

From: Peter Spellucci (spellucci_at_fb04373.mathematik.tu-darmstadt.de)
Date: 02/25/05


Date: Fri, 25 Feb 2005 17:07:31 +0000 (UTC)


In article <1109273290.942091.220160@l41g2000cwc.googlegroups.com>,
 "John" <weekender_ny@yahoo.com> writes:
>
>Thanks a lot Peter.
>Guess will have to look for the paper in the library.
>Does it do this in O(n^2) by any chance?
>
>Thanks once again for the help,
>--j
>

for the eigenvalues alone: yes. but i can't imagine how this should go in O(n^2)
for all eigenvectors. the power is in the parallelization
hth
peter



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