Updates:
Status: WontFix
Comment #14 on issue 515 by asmeu...@gmail.com: update matrix wiki with the
new output code
http://code.google.com/p/sympy/issues/detail?id=515
Closing this. I'm not too concerned if a wiki page (which is not even
official documentation) gets out of date.
Updates:
Status: Fixed
Comment #5 on issue 3998 by asmeu...@gmail.com: summation(x**n/n, (n, 1,
400)) hangs
http://code.google.com/p/sympy/issues/detail?id=3998
That was merged.
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Updates:
Labels: Simplify
Comment #3 on issue 4024 by asmeu...@gmail.com: logcombine not working on
some inputs
http://code.google.com/p/sympy/issues/detail?id=4024
I think expand ought to be part of the simplify heuristics anyway.
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Comment #2 on issue 4024 by smi...@gmail.com: logcombine not working on
some inputs
http://code.google.com/p/sympy/issues/detail?id=4024
then a call to expand with log=True should probably be added to the
simplify routine else log(5/2) + log(2) wouldn't simplify to log(5). (And
log=True w
Comment #3 on issue 4019 by asmeu...@gmail.com: divisors could use
a 'pairs' flag
http://code.google.com/p/sympy/issues/detail?id=4019
I guess if it's useful enough. (d, n//d) doesn't seem that bad to me,
though. Unless you've got a billion divisors, but in that case, I don't
think this w
Updates:
Labels: Solvers
Comment #1 on issue 4023 by asmeu...@gmail.com: solve provides the error:
sympy.polys.polyerrors.PolynomialError: only univariate polynomials are
allowed
http://code.google.com/p/sympy/issues/detail?id=4023
I'd say this is a bug, since at the very least solv
Comment #2 on issue 4022 by asmeu...@gmail.com: powdenest won't denest a
power
http://code.google.com/p/sympy/issues/detail?id=4022
It does seem wrong to me that force=True makes all symbols positive,
instead of just forcing the simplification to happen. I think force should
just do it, a
Updates:
Labels: Assumptions
Comment #3 on issue 4022 by asmeu...@gmail.com: powdenest won't denest a
power
http://code.google.com/p/sympy/issues/detail?id=4022
(No comment was entered for this change.)
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Updates:
Status: Valid
Comment #1 on issue 4024 by asmeu...@gmail.com: logcombine not working on
some inputs
http://code.google.com/p/sympy/issues/detail?id=4024
It's because log(5/3) automatically expands. But I don't think that's a
good idea.
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Issue 4025: Remove the ClassRegistry
http://code.google.com/p/sympy/issues/detail?id=4025
This issue is now blocking issue sympy:3652.
See http://code.google.com/p/sympy/issues/detail?id=3652
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Updates:
Blockedon: sympy:4025
Comment #5 on issue 3652 by asmeu...@gmail.com: Make sure classes play nice
with potential subclasses
http://code.google.com/p/sympy/issues/detail?id=3652
The ClassRegistry is pretty bad for subclasses, because no subclass can
have the same name of ano
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 4025 by asmeu...@gmail.com: Remove the ClassRegistry
http://code.google.com/p/sympy/issues/detail?id=4025
The ClassRegistry was introduced to make it easier to get around circular
imports, but it's a bad idea, because it f
Updates:
Summary: Nondeterminism in integral of tanh(x)
Status: Valid
Comment #4 on issue 4020 by asmeu...@gmail.com: Nondeterminism in integral
of tanh(x)
http://code.google.com/p/sympy/issues/detail?id=4020
Indeed:
In [2]: b = x - log(tanh(x) + 1)
In [3]: a = -x-log(tanh(x
Comment #4 on issue 3989 by skirpic...@gmail.com: Simple limit fails
http://code.google.com/p/sympy/issues/detail?id=3989
https://github.com/sympy/sympy/pull/2464
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Comment #3 on issue 4020 by asmeu...@gmail.com: Wrong integral for tanh
http://code.google.com/p/sympy/issues/detail?id=4020
I agree the form of the output could be better.
The nondeterminism is definitely a bug. I suspect both are actually correct
integrals, though, if you take the derivativ
Updates:
Labels: NeedsReview
Comment #2 on issue 3583 by skirpic...@gmail.com: gruntz(
exp(2*Ei(-z))/z**2, z, 0)
http://code.google.com/p/sympy/issues/detail?id=3583
https://github.com/sympy/sympy/pull/2465
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Comment #1 on issue 3583 by skirpic...@gmail.com: gruntz(
exp(2*Ei(-z))/z**2, z, 0)
http://code.google.com/p/sympy/issues/detail?id=3583
https://github.com/sympy/sympy/pull/2465
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Comment #8 on issue 1010 by skirpic...@gmail.com: limit for 1/gamma(x) x->0
http://code.google.com/p/sympy/issues/detail?id=1010
https://github.com/sympy/sympy/pull/2464
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