[R] buggy eigen function

Chong Gu chong at stat.purdue.edu
Wed Mar 22 01:47:42 CET 2000


   From: "Yves Gauvreau" <cyg at sympatico.ca>
   Cc: <r-help at stat.math.ethz.ch>, <tomlinso at stat.purdue.edu>
   References: <Pine.GSO.4.21.0003211241030.14323-100000 at mail.biostat.washington.edu>
   Date: Tue, 21 Mar 2000 18:41:20 -0500
   MIME-Version: 1.0
   Content-Type: text/plain;
	   charset="iso-8859-1"
   Content-Transfer-Encoding: 7bit
   X-Priority: 3
   X-MSMail-Priority: Normal
   X-Mailer: Microsoft Outlook Express 5.00.2919.6600
   X-MIMEOLE: Produced By Microsoft MimeOLE V5.00.2919.6600
   Sender: owner-r-help at stat.math.ethz.ch
   Precedence: bulk

... lines deleded ...

   Here's what I get on a NT 4.0 SP6

   R : Copyright 2000, The R Development Core Team
   Version 1.0.0  (February 29, 2000)

   tt
	      [,1]      [,2]       [,3]
   [1,]  0.8288469 -1.269783 -0.7533517
   [2,] -1.2697830  2.162132  2.0262920
   [3,] -0.7533517  2.026292  4.1927134
   > eigen(tt)
   $values
   [1]  5.795187e+00  1.388505e+00 -2.748282e-07

   $vectors
	      [,1]       [,2]       [,3]
   [1,] -0.2592216  0.5625659  0.7850629
   [2,]  0.5379709 -0.5909711  0.6011160
   [3,]  0.8021169  0.5781633 -0.1494517

   which seem different also.

   Yves

   -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
   r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
   Send "info", "help", or "[un]subscribe"
   (in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
   _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._


Thanks to all for responding.  Here is what I got from my linux,

> eigen(jj)
$values
[1]  5.795187e+00  1.388506e+00 -2.207709e-15

$vectors
           [,1]       [,2]       [,3]
[1,] -0.2592216  0.5625657  0.7850630
[2,]  0.5379709 -0.5909712  0.6011159
[3,]  0.8021169  0.5781633 -0.1494515

Our system administrator is trying to track down the problem in our
installation on the department AIX server.

Chong
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list