partitioning instead of matching so much



Thanks for providing this.  It is an interesting subject particular to me since I fell into the category of trying tellsimp to do 
all of my pw.mac integrals (at the start anyway, now I am using calls to Barton's abs_integrate.mac).

Rich


----- Original Message ----- 
From: "Richard Fateman" <fateman at cs.berkeley.edu>
To: "Maxima List" <maxima at math.utexas.edu>
Sent: Tuesday, January 06, 2009 4:55 PM
Subject: Re: [Maxima] partitioning instead of matching so much


I've written up some programs that are largely alternatives to matching.
I show how the "derivative divides" symbolic integration in Joel Moses'
SIN program,
one of the initial methods in Maxima's program, can be written in half a
page or so,
probably more effectively than already in Maxima.  It might be
interesting especially
for fans of table-driven programs for integration or other tasks.

comments are of course welcome.
http://www.cs.berkeley.edu/~fateman/papers/partition.pdf

The text, if you want to extract it and use it yourself, is in the same
place, partition.tex.

RJf

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