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Re: Automatic Differentiation

From: Leonardo B. Lopes <leo@iems.nwu.edu>
Date: Tue, 19 Feb 2002 14:07:35 -0600 (CST)
To: Michael Kohlhase <kohlhase+@cs.cmu.edu>
cc: www-math@w3c.org, jzimmer@mathweb.org
Message-ID: <Pine.GSO.4.04.10202191405360.7472-100000@gomory.iems.nwu.edu>
Thanks, Michael. So I didn't quite understand if there is an AD tool for
OpenMath... Is there one?


On Tue, 19 Feb 2002, Michael Kohlhase wrote:

> Leonardo,
> > 	Is anyone aware of a tool to which I could pass a MathML content
> > object and get the function evaluation, first and second derivatives
> > computed by Automatic Differentiation? I couldn't find one on google, but
> > I did find AD among the interests of many MathML people, which makes me
> > optimistic...
> I do not think that there is a tool out of the box, but as content MathML
> is roughly equivalent to OpenMath (see http://www.openmath.org), for which
> has been used as an interlingua between computer algebra systems, it should
> be relatively easy to obtain such a system.  
> The way I would go is to use a transformation style sheet from content
> MathML (I think there is one by David Carlisle somewhere at
> http://www.openmath.org), and then use one of the systems there. If you are
> interested in using such systems over the web, you may be interested in the
> MathWeb system at http://www.mathweb.org. I am not sure, there may be a
> service there that does something like this.
>      Michael

Leonardo B. Lopes                                       leo@iems.nwu.edu 
Ph.D. Student                                              (847)491-8470
IEMS - Northwestern University              http://www.iems.nwu.edu/~leo
Received on Tuesday, 19 February 2002 15:07:42 UTC

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