Re: Eigenvalue bug in Mathematica 7.0.0
- To: mathgroup at smc.vnet.net
- Subject: [mg101236] Re: Eigenvalue bug in Mathematica 7.0.0
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sat, 27 Jun 2009 06:05:42 -0400 (EDT)
- References: <h22974$hqb$1@smc.vnet.net>
Hi, and you have not spend a idea to upgrade to version 7.0.1 ?? Regards Jens Mark Saffman wrote: > I find that Mathematica V7.0.0 finds incorrect eigenvalues and eigenvectors of the 100 x 100 real symmetric matrix listed below. You can easily check the first eigenvector produced is not a true eigenvector. > > I get incorrect results running under > Windows Vista 64 bit, Windows Server 2003 32 bit, Windows Server 2003 64 bit. I get correct results running under Windows Vista 32 bit. All of the above systems produce correct results if I evaluate with Mathematica V6.0.1.0. > > I consider this a very serious error. Here is the > 100 x 100 matrix: SNIP >