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Article #345

Re: SW for Canonical Decomposition of Real Skew Symmetric Matrices

#345
From: Steven Smith
Date: Wed, 26 Aug 1992 15:52
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stewart@cs.umd.edu (G. W. Stewart) writes:
> smith@minerva.harvard.edu (Steven Smith) writes:
> >Does there exist (over the net) Fortran or C code for decomposing real
> >skew symmetric matrices into canonical form?  I was a little surprised
> >when I looked at EISPACK's and LAPACK's indexes and failed to find
> >such an algorithm.
> 
> Here is what I have in my bibliography.  As you can see by the citations,
> these are secondary sources that I have not read myself.

Thank you very much for the information.  Actually, you preceded
yourself by about twelve hours: last night I obtained your
bibliography from netlib and used it to track down Ward and Gray's
algorithm in ACM-TOMS.

Apparently, the ACM doesn't distribute these old algorithms anymore,
so I had to perform a journal-to-ASCII conversion with our OCR scanner
(and edit and debug for a few hours).  So, I have this program now, it
works great, and I will provide it to anyone else who wants it (I
think(?) this is okay by ACM rules).

Steven Smith
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!das-news.harvard.edu!das-news!smith
From: smith@minerva.harvard.edu (Steven Smith)
Newsgroups: sci.math.num-analysis
Subject: Re: SW for Canonical Decomposition of Real Skew Symmetric Matrices
Message-ID: <SMITH.92Aug26105219@minerva.harvard.edu>
Date: 26 Aug 92 15:52:19 GMT
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In-Reply-To: stewart@cs.umd.edu's message of 26 Aug 92 04:51:51 GMT