Comment #3 on issue 3997 by skirpic...@gmail.com: limit(x**-pi, x, 0,
dir='-')
http://code.google.com/p/sympy/issues/detail?id=3997
The gruntz algorithm has own boundaries. For example, it can't handle
x*sin(1/x). Yet, I think, this is not a case.
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Comment #5 on issue 3997 by asmeu...@gmail.com: limit(x**-pi, x, 0, dir='-')
http://code.google.com/p/sympy/issues/detail?id=3997
Some suggestions for that one at
https://groups.google.com/forum/m/#!searchin/sympy/Limit$20sin/sympy/h3aVz3y3n7g
(I hope the link works, this is from the mobile
Comment #4 on issue 3997 by ondrej.c...@gmail.com: limit(x**-pi, x, 0,
dir='-')
http://code.google.com/p/sympy/issues/detail?id=3997
Yeah I think for x*sin(1/x), the series expansion will fail --- so it might
be possible to extend gruntz() to handle cases like these.
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Comment #4 on issue 3998 by ness...@googlemail.com: summation(x**n/n, (n,
1, 400)) hangs
http://code.google.com/p/sympy/issues/detail?id=3998
(No comment was entered for this change.)
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Comment #3 on issue 3998 by ness...@googlemail.com: summation(x**n/n, (n,
1, 400)) hangs
http://code.google.com/p/sympy/issues/detail?id=3998
Here is a PR implementing this very solution:
https://github.com/sympy/sympy/pull/2440
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