Status: New
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Labels: Type-Defect Priority-Medium
New issue 1244 by sophie.duriez: (x + exp(x)).is_positive returns True
http://code.google.com/p/sympy/issues/detail?id=1244
When x is real, (x + exp(x)).is_positive returns True :
>>> x = sympy.Symbol("x", real=True)
>>> (x + exp(x)).i
Updates:
Status: Accepted
Labels: WrongResult Milestone-Release0.6.4
Comment #1 on issue 1244 by ondrej.certik: (x + exp(x)).is_positive returns
True
http://code.google.com/p/sympy/issues/detail?id=1244
That's right, thanks for the bug report!
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Comment #2 on issue 1244 by nicolas.pourcelot: (x + exp(x)).is_positive
returns True
http://code.google.com/p/sympy/issues/detail?id=1244
Infact, exp(x) + anything atomic is returned as True.
It seems to be linked to this :
>>> sympy.exp(x).is_unbounded
True
which is all right. But in Add, I
Comment #3 on issue 1244 by ondrej.certik: (x + exp(x)).is_positive returns
True
http://code.google.com/p/sympy/issues/detail?id=1244
It's a bug, that should be fixed. The general way to get this fixed is to
fix the
issue 1047. Any help is welcome. :)
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Updates:
Labels: -Milestone-Release0.6.4 Milestone-Release0.6.5
Comment #5 on issue 1244 by ondrej.certik: (x + exp(x)).is_positive returns
True
http://code.google.com/p/sympy/issues/detail?id=1244
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Updates:
Owner: fab...@fseoane.net
Comment #6 on issue 1244 by fab...@fseoane.net: (x + exp(x)).is_positive
returns True
http://code.google.com/p/sympy/issues/detail?id=1244
(No comment was entered for this change.)
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Comment #8 on issue 1244 by fab...@fseoane.net: (x + exp(x)).is_positive
returns True
http://code.google.com/p/sympy/issues/detail?id=1244
This is fixed in my new assumptions branch
http://fseoane.net/cgi-bin/gitweb.cgi?p=sympy.git;a=commit;h=aea4fd160cf498d86c655a1b316fe898080df48e
Attachme
Comment #7 on issue 1244 by fab...@fseoane.net: (x + exp(x)).is_positive
returns True
http://code.google.com/p/sympy/issues/detail?id=1244
its fixed in the new assumptions branch
http://fseoane.net/cgi-bin/gitweb.cgi?p=sympy.git;a=commit;h=aea4fd160cf498d86c655a1b316fe898080df48e
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