Updates:
Labels: Milestone-Release0.7.0
Comment #3 on issue 1756 by ronan.l...@gmail.com: Division by order terms
is invalid
http://code.google.com/p/sympy/issues/detail?id=1756
The best way to solve this would probably be to scrap the Order class and
replace it
with an object representing « développements limités » [1] or asymptotic
expansions,
with the following syntax: DéveloppementLimité(expression, variable,
expansion_point,
order). O(x) would then just be a notational artefact to express "order"
and, to
provide intuitive input, a shortcut for DéveloppementLimité(0, x, 0, x).
This is causing very confusing errors, so it should have quite a high
priority even
though it seems arcane and difficult.
[1] - This concept doesn't really seem to exist in English, "truncated
Taylor
expansion in big-O notation" is the shortest equivalent I can find.
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