Status: Valid
Owner:
Labels: Type-Defect Priority-Medium WrongResult NonCommutative
New issue 3459 by asmeu...@gmail.com: Wrong result from expand() with
noncommutatives
http://code.google.com/p/sympy/issues/detail?id=3459
In [26]: expand(A*B*(A*B)**-1)
Out[26]: A⋅B
A and B are noncommu
Comment #1 on issue 3459 by xoed...@gmail.com: Wrong result from expand()
with noncommutatives
http://code.google.com/p/sympy/issues/detail?id=3459
There (will) exist(s) a test in test_wester.py in sympy/core/tests/ testing
this. See test_H32() in test_wester.py. Discovered during PR 1599.
Comment #2 on issue 3459 by asmeu...@gmail.com: Wrong result from expand()
with noncommutatives
http://code.google.com/p/sympy/issues/detail?id=3459
The problem appears to be with the power_base hint.
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Comment #3 on issue 3459 by asmeu...@gmail.com: Wrong result from expand()
with noncommutatives
http://code.google.com/p/sympy/issues/detail?id=3459
The bad commit was
commit 0d0d46e75bde9b792359b8ae93c0a3d5cdf8fde6
Author: Chris Smith
Date: Fri Mar 2 12:05:30 2012 +0545
3120: expand
Updates:
Status: Fixed
Comment #4 on issue 3459 by smi...@gmail.com: Wrong result from expand()
with noncommutatives
http://code.google.com/p/sympy/issues/detail?id=3459
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