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RE: sparse matrix support in MathML

From: Robert Miner <robertm@dessci.com>
Date: Wed, 30 May 2007 08:49:23 -0700
Message-ID: <D1EFB337111B674B8F1BE155B01C6DD601DC00DE@franklin.corp.dessci>
To: "Michael Weitzel" <michael.weitzel@uni-siegen.de>
Cc: <www-math@w3.org>

Michael,

I'm not knowledgeable about sparse matrix representations.  Are there a
couple "standard" ones that are widely supported, and if so, what are
they like?  If not, what is your view to the "pure OpenMath" approach
using csymbol that David Carlisle and Bill Naylor are talking about.

--Robert

Robert Miner
Director, New Product Development

Design Science, Inc.
140 Pine Avenue, 4th Floor
Long Beach, California  90802
USA
Tel:  (651) 223-2883
Fax:  (651) 292-0014
robertm@dessci.com
www.dessci.com
~ Makers of MathType, MathFlow, MathPlayer, WebEQ, Equation Editor,
TexAide ~


> -----Original Message-----
> From: www-math-request@w3.org [mailto:www-math-request@w3.org] On
Behalf
> Of Michael Weitzel
> Sent: Wednesday, May 30, 2007 5:25 AM
> To: www-math@w3.org
> Subject: sparse matrix support in MathML
> 
> 
> Hi,
> 
> I definitely miss support for sparse matrices in Content-MathML.
Loading
> and saving tons of zeros involves ugly delays for large sparse
matrices
> and unnecessarily bloats the XML files. Sadly, MathML version 3 does
not
> introduce such a type. Programming environments like Matlab/Octave and
> Maple support sparse matrices -- MathML should likewise.
> 
> regards,
> --
> Michael Weitzel
> 
Received on Wednesday, 30 May 2007 15:49:43 GMT

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