From: Paul Libbrecht <paul@activemath.org>

Date: Thu, 3 Feb 2005 14:16:00 +0100

Message-Id: <8e2040128da74a3b9b6101b4abd21b36@activemath.org>

Cc: www-math@w3.org

To: "John Fletcher" <J.P.Fletcher@aston.ac.uk>

Date: Thu, 3 Feb 2005 14:16:00 +0100

Message-Id: <8e2040128da74a3b9b6101b4abd21b36@activemath.org>

Cc: www-math@w3.org

To: "John Fletcher" <J.P.Fletcher@aston.ac.uk>

Le 3 févr. 05, à 14:06, John Fletcher a écrit : > I would like to join in this discussion as a potential user, at the > stage > of knowing what I want to do and having some design choices. Fun. The bone point with extensibility is extensibility of the related tools... Doing it in RDF, for example, raises the need for an amount of tools which not, for example, as mature as XML libraries. How would you handle extensibility for the conversion to and from these programmes? paul > I have computer programs which can compute algebraic > expressions. I want to compute, output and store results. It would > be good also to attach metadata e.g. data, time, purpose to the > computation. > > I idenitified content MathML as providing the basic coding, except > that I need to go beyond that, as I am working in Clifford Algebra, > so I need to extend MathML. > > I could extend it in an arbitrary way, or use RDF to define a set of > extensions. > > As an example of what I am doing > > x{1} + y{2} is the vector (1,2) > > 1 + {1,2} is the sum of a scalar and a bivector. > > I need the capability to represent terms {i,j,k....} in a simlar way > to a > complex number or a quaternion. > > I can provide more informationReceived on Thursday, 3 February 2005 13:16:37 UTC

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