Status: Started
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3737 by [email protected]: powers of -1 and I should flatten
http://code.google.com/p/sympy/issues/detail?id=3737
(-1)**Rational(1,3)*I
(-1)**(1/3)*I
powsimp(_)
(-1)**(5/6)
_.n()
-0.866025403784439 + 0.5*I
With some minor adjustments to Mul.flatten, `I` will not appear separate
from a power with negative base unless it is exactly a 1/2 power. Since
(-1)**(1/3) is it self complex, it doesn't seem to me to make sense to have
the I split off separately.
Changes to this end are in PR 1925
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