chol() dimnames
Prof Brian Ripley
Prof Brian Ripley <ripley@stats.ox.ac.uk>
Mon, 27 Sep 1999 16:37:57 +0100 (BST)
> From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk>
> Date: 27 Sep 1999 15:58:46 +0200
>
> There's a variation of Cholesky where you essentially just put a zero
> in the diagonal in case of singularity and proceed with the remainder
> of the matrix, but noone seems to implement that.
src/appl/uncmin has a choldc that is some variation of that sort.
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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