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[Axiom-developer] expression parse tree API?

From: Jurgis Pralgauskis
Subject: [Axiom-developer] expression parse tree API?
Date: Sun, 26 Nov 2006 13:41:19 +0200
User-agent: Thunderbird (X11/20060922)


could smb point me how to access the formula parse tree.

what I really want, is to make derivative exercise tool.
which would do the differentiation of (complex) formulas step by step.
And I want to use python :)

for example  Maple has it

ctrl+F: ShowSteps

I'd like to have parse-tree structure, based on differentiation by
variable (x) ,
each next depth level would mean a step according to

so terminal/final nodes should have 'x' or plain numeric expression,
and pre-terminal nodes should have simple differentiatable functions
a subset of,
which contain x and numeric values/variables

I found sth similar what I want in java..

I also asked in SAGE forum, but seems they don't deal with expression
SAGE folks referenced Maxima.. but I want python, and as I know Axiom is
made with python (Maxima probably with C)..

Thanks in advance

Jurgis Pralgauskis
Don't worry be happy, and make things better :)

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