Updates:
Blockedon: sympy:2026
Comment #10 on issue 790 by asmeu...@gmail.com: risch: PolynimialException
when integrating not-so-trivial exponents
http://code.google.com/p/sympy/issues/detail?id=790
Well, the error went away because a new algorithm is applied to that
expression, in
Issue 2026: Exact, algebraic, and integer_power substitution
http://code.google.com/p/sympy/issues/detail?id=2026
This issue is now blocking issue sympy:790.
See http://code.google.com/p/sympy/issues/detail?id=790
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Comment #2 on issue 3552 by asmeu...@gmail.com: Expression with square root
doesn't simplify well
http://code.google.com/p/sympy/issues/detail?id=3552
Actually, there's an even simpler version:
In [12]: minpoly(value)
Out[12]:
4 3 2
x - 4⋅x - 5⋅x + 18⋅x - 11
In [13]: solve(min
Comment #1 on issue 3552 by asmeu...@gmail.com: Expression with square root
doesn't simplify well
http://code.google.com/p/sympy/issues/detail?id=3552
Try simplify(radsimp(value)).
Clearly simplify() should include radsimp().
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Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Simplify
New issue 3552 by ronan.l...@gmail.com: Expression with square root doesn't
simplify well
http://code.google.com/p/sympy/issues/detail?id=3552
Consider the following expression:
In [39]: y = 1/(x-1) + 1/(x+1) + x + 1
In [
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Solvers Polynomial WrongResult
New issue 3551 by ronan.l...@gmail.com: solve() doesn't find the root of a
polynomial when solving over the reals
http://code.google.com/p/sympy/issues/detail?id=3551
In [5]: x = Symbol('x', real=True
Updates:
Status: Fixed
Comment #9 on issue 790 by ronan.l...@gmail.com: risch: PolynimialException
when integrating not-so-trivial exponents
http://code.google.com/p/sympy/issues/detail?id=790
This seems to work now. Presumably, Aaron's Risch algorithm work fixed it.
In [1]: ee = (co
Status: Valid
Owner:
Labels: Type-Defect Priority-High Matching Milestone-Release0.7.3
New issue 3550 by ronan.l...@gmail.com: patternify() creates broken objects
http://code.google.com/p/sympy/issues/detail?id=3550
In principle, the whole concept of replacing arbitrary objects with
Varia
