Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-Medium
New issue 2027 by smichr: Mul.flatten violates power rules
http://code.google.com/p/sympy/issues/detail?id=2027
I thought I had all of these tracked down but just found another place
where power rules are being broken when the
Updates:
Labels: WrongResult
Comment #1 on issue 2027 by asmeurer: Mul.flatten violates power rules
http://code.google.com/p/sympy/issues/detail?id=2027
Maple leaves both variants alone by default.
(-2)**x*(-3)**x;
x x
Comment #2 on issue 2027 by smichr: Mul.flatten violates power rules
http://code.google.com/p/sympy/issues/detail?id=2027
For them to come together? You can only bring in 1 negative if you don't
know the exponent is an integer. And for the ((-1)**x)**2, that is always
equal to (-1)**(2*x)
Comment #3 on issue 2027 by asmeurer: Mul.flatten violates power rules
http://code.google.com/p/sympy/issues/detail?id=2027
Issue 2028 has been merged into this issue.
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