From p.dalgaard@biostat.ku.dk  Mon Apr  1 17:35:09 2002
From: p.dalgaard@biostat.ku.dk (Peter Dalgaard BSA)
Date: 01 Apr 2002 18:35:09 +0200
Subject: [Rd] svd, La.svd (PR#1427)
In-Reply-To: <200204011624.SAA05923@pubhealth.ku.dk>
References: <200204011624.SAA05923@pubhealth.ku.dk>
Message-ID: <x2sn6fqsw2.fsf@blueberry.kubism.ku.dk>

kjetilh@umsanet.edu.bo writes:

> > La.svd(m)
> $d
> [1] 1.126182e-301 4.226051e-314
> 
> $u
>             [,1]         [,2]
> [1,] 0.002112565  0.999997769
> [2,] 0.999997769 -0.002112565
> 
> $vt
>            [,1]        [,2]
> [1,] 7.5449e-13  1.0000e+00
> [2,] 1.0000e+00 -7.5449e-13
> 
> as m is an invertible matrix, the results of La.svd seems wrong.
> 
> This is R1.4.1 on windows 98.

It is not happening in recent development versions on Linux.

And your previous report *did* come through:

    o   La.svd() was not coercing integer matrices. (PR#1363)

(Moved to Low-level-fixed, so a bit difficult to spot if you didn't
keep the PR#, I grant you...)


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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[Rd] svd, La.svd (PR#1427)
Peter Dalgaard BSA