Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 2702 by mario.pe...@gmail.com: rank_trotterjohnson gives wrong
results
http://code.google.com/p/sympy/issues/detail?id=2702
rank_trotterjohnson gives wrong results; for instance
```
from sympy.combinatorics.permutations
Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium
New issue 2703 by asmeurer: summation(z**n, (n, 1, oo)) gives a strange
result
http://code.google.com/p/sympy/issues/detail?id=2703
In [2]: print summation(z**n, (n, 1, oo))
(z - z**oo)/(-z + 1)
I suppose this is just a
Updates:
Status: Fixed
Comment #4 on issue 2671 by smi...@gmail.com: constantsimp() isn't working
for dsolve(w(t).diff(t, 6) - k**6*w(t), w(t))
http://code.google.com/p/sympy/issues/detail?id=2671
all issues have been resolved.
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Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium
New issue 2704 by asmeurer: pprint of x**oo is strange
http://code.google.com/p/sympy/issues/detail?id=2704
I didn't see an issue for this. We have
In [3]: x**oo
Out[3]:
0 ___
╲╱ x
This is because infinity is implemented as
Issue 281: Infinity is a subclass of Rational
http://code.google.com/p/sympy/issues/detail?id=281
This issue is now blocking issue 2704.
See http://code.google.com/p/sympy/issues/detail?id=2704
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Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium Integration
New issue 2705 by asmeurer: integrate(cos(x)**(2*n), (x, 0, 2*pi)) traceback
http://code.google.com/p/sympy/issues/detail?id=2705
In [1]: integrate(cos(x)**(2*n), (x, 0, 2*pi))
ERROR: An unexpected error occurred
