R-alpha: bug in svd
Andreas Weingessel
Andreas.Weingessel@ci.tuwien.ac.at
Fri, 17 Oct 1997 16:42:49 +1000
I use R Version 0.60 Alpha (September 18, 1997) on a Linux Pentium
(Debian 1.3) and on a Sparc-Sun-Solaris 2.5.=20
R> svd(matrix(1:16,4,4))
=09yields on both machines
Error: error 4 in dsvdc
R> svd(matrix(1:20,4,5))
=09gives a result on the Linux computer
$d
[1] 0 0 0 NA
$u
[,1] [,2] [,3] [,4]
[1,] 1 0 0 0
[2,] 0 1 0 0
[3,] 0 0 1 0
[4,] 0 0 0 1
$v
[,1] [,2] [,3] [,4]
[1,] 1 0 0 0
[2,] 0 1 0 0
[3,] 0 0 NA NA
[4,] 0 0 NA NA
[5,] 0 0 NA NA
but causes a Segmentation Fault on the solaris machine.
=09Andreas Weingessel
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