Updates:
Owner: [email protected]
Cc: [email protected]
Comment #5 on issue 2664 by [email protected]: sign(x) should reduce to
x/abs(x) when x is known to not be 0
http://code.google.com/p/sympy/issues/detail?id=2664
One could have sign(1 + I) reduce automatically without requiring
the .doit() part. I can implement it if this is to be preferred.
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