Comment #4 on issue 1869 by asmeu...@gmail.com: integrate(sin(log(x**2)))
always treats x as positive
http://code.google.com/p/sympy/issues/detail?id=1869
So I guess the correct result would leave log(x**2) instead of using
2*log(x).
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Labels: WrongResult
Comment #8 on issue 1227 by asmeu...@gmail.com: Integration failure
http://code.google.com/p/sympy/issues/detail?id=1227
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Comment #39 on issue 1235 by asmeu...@gmail.com: Problem installing in
Windows
http://code.google.com/p/sympy/issues/detail?id=1235
I guess the task here would be to create Windows installers for 0.7.2. So
far we only have Python 2 32-bit. Making a 64-bit Python 2 Windows
installer or an
Updates:
Status: Started
Comment #1 on issue 3462 by smi...@gmail.com: _eval_power problem
http://code.google.com/p/sympy/issues/detail?id=3462
https://github.com/sympy/sympy/pull/1616
Still working out the final kinks, but am just leaving this here as a
reminder that the work is in p
Updates:
Status: Started
Owner: julien.r...@gmail.com
Labels: NeedsReview
Comment #2 on issue 1423 by julien.r...@gmail.com: integrating DiracDelta
fails sometimes
http://code.google.com/p/sympy/issues/detail?id=1423
This is fixed in https://github.com/sympy/sympy/pull
Comment #4 on issue 1696 by julien.r...@gmail.com: integral of heaviside
http://code.google.com/p/sympy/issues/detail?id=1696
In master:
In [1]: integrate(Heaviside(x), (x, 0, 1))
Out[1]:
1
/
|
| Heaviside(x) dx
|
/
0
In [2]: float(integrate(Heaviside(x), (x, 0, 1)))
Out[2]: 1.0
So at
Updates:
Status: Started
Owner: julien.r...@gmail.com
Labels: NeedsReview
Comment #8 on issue 2630 by julien.r...@gmail.com: DeltaIntegrate provides
wrong answer on Multivariable integrals
http://code.google.com/p/sympy/issues/detail?id=2630
This works in https://githu
Updates:
Status: Started
Owner: julien.r...@gmail.com
Labels: NeedsReview
Comment #4 on issue 3328 by julien.r...@gmail.com: Integrating simple
DiracDelta
http://code.google.com/p/sympy/issues/detail?id=3328
This works in https://github.com/sympy/sympy/pull/1620:
In [
Updates:
Summary: Integral((-60*exp(x) - 19.2*exp(4*x))*exp(4*x), x).doit()
extremely slow
Status: Valid
Blockedon: -sympy:790 -sympy:1836 -sympy:2010 -sympy:2026
Comment #9 on issue 1851 by ronan.l...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extr
Issue 2026: Exact, algebraic, and integer_power substitution
http://code.google.com/p/sympy/issues/detail?id=2026
This issue is no longer blocking issue sympy:1851.
See http://code.google.com/p/sympy/issues/detail?id=1851
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Issue 2010: Integration with the full Risch Algorithm
http://code.google.com/p/sympy/issues/detail?id=2010
This issue is no longer blocking issue sympy:1851.
See http://code.google.com/p/sympy/issues/detail?id=1851
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Issue 790: risch: PolynimialException when integrating not-so-trivial
exponents
http://code.google.com/p/sympy/issues/detail?id=790
This issue is no longer blocking issue sympy:1851.
See http://code.google.com/p/sympy/issues/detail?id=1851
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Issue 1836: subs can see the 2 arg sum
http://code.google.com/p/sympy/issues/detail?id=1836
This issue is no longer blocking issue sympy:1851.
See http://code.google.com/p/sympy/issues/detail?id=1851
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Updates:
Labels: NeedsReview
Comment #10 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
And risch_integrate() fails with DomainError because the polys can't handle
flo
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium CodeInMultiple CodeInCategory-QA
New issue 3464 by asmeu...@gmail.com: Fixes to Planet SymPy
http://code.google.com/p/sympy/issues/detail?id=3464
There are several things that could be done for Planet SymPy:
- Try to fix the whole ro
Comment #1 on issue 3464 by kend...@gmail.com: Fixes to Planet SymPy
http://code.google.com/p/sympy/issues/detail?id=3464
I think you should split it to two tasks , one about the robot issue and
the other about redesign the planet , and you can also split the
redesigning task to many parts
Comment #5 on issue 1696 by asmeu...@gmail.com: integral of heaviside
http://code.google.com/p/sympy/issues/detail?id=1696
I bisected the fix to
commit 65f483e40306f186537e8d9eb0fff3029b40ac61
Author: Chris Smith
Date: Sun Nov 13 09:59:04 2011 +0545
evalf: 1->1.0; no expand or conjugate
Updates:
Labels: CodeInCategory-Code
Comment #20 on issue 2845 by krastano...@gmail.com: Integrating the new
plotting module
http://code.google.com/p/sympy/issues/detail?id=2845
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Labels: CodeInImportedIntoGoogleDocs
Comment by krastano...@gmail.com:
(No comment was entered for this change.)
Affected issues:
issue 16: objects with indices (tensors)
http://code.google.com/p/sympy/issues/detail?id=16
issue 93: Square root denesting
http://code.
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium CodeInImportedIntoGoogleDocs
CodeInCategory-Code CodeInMultiple
New issue 3465 by krastano...@gmail.com: choose a plotting function from
the list and implement it
http://code.google.com/p/sympy/issues/detail?id=3465
list is here
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Plotting CodeInCategory-Code
CodeInImportedIntoGoogleDocs
New issue 3466 by krastano...@gmail.com: create a proof of concept
AnimationSeries for the plotting module
http://code.google.com/p/sympy/issues/detail?id=3466
we want an
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium CodeInCategory-Code
CodeInImportedIntoGoogleDocs
New issue 3467 by krastano...@gmail.com: create a proof of concept
ManipulateSeries in our plotting module
http://code.google.com/p/sympy/issues/detail?id=3467
we want interactive
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Plotting CodeInCategory-Code
CodeInMultiple
New issue 3468 by krastano...@gmail.com: add a mayavi backend for 3d plots
http://code.google.com/p/sympy/issues/detail?id=3468
Start with a simple backend, only lines for instance. Then
Updates:
Labels: CodeInImportedIntoGoogleDocs
Comment #1 on issue 3468 by krastano...@gmail.com: add a mayavi backend for
3d plots
http://code.google.com/p/sympy/issues/detail?id=3468
(No comment was entered for this change.)
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Status: Valid
Owner:
Labels: Type-Defect Priority-Medium CodeInCategory-Code
CodeInImportedIntoGoogleDocs
New issue 3469 by krastano...@gmail.com: adaptive 3d plotting using
triangular meshes
http://code.google.com/p/sympy/issues/detail?id=3469
it requires a mayavi backend
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Labels: -NeedsReview
Comment #11 on issue 1851 by ronan.l...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
IMO, such an integral shouldn't go through pol
Comment #1 on issue 3467 by ronan.l...@gmail.com: create a proof of concept
ManipulateSeries in our plotting module
http://code.google.com/p/sympy/issues/detail?id=3467
Shouldn't this wait until IPython gets interactive widgets working?
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Comment #2 on issue 3467 by krastano...@gmail.com: create a proof of
concept ManipulateSeries in our plotting module
http://code.google.com/p/sympy/issues/detail?id=3467
If we are talking about the ipython notebook or the qt-console, yes,
however matplotlib already supports widgets, so some
Status: NeedsDecision
Owner:
Labels: type Priority-Medium
New issue 3470 by mrock...@gmail.com: Add(1, 2, evaluate=False) != Add(2,
1, evaluate=False)
http://code.google.com/p/sympy/issues/detail?id=3470
Should the following produce True or False?
Add(1, 2, evaluate=False) == Add(2, 1,
Comment #4 on issue 2650 by smi...@gmail.com: non-determinism in integrate()
http://code.google.com/p/sympy/issues/detail?id=2650
In PR 1616 I just made the Risch algorithm with quick sorting...perhaps
this could be used as a model for anthing else needing determinism.
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Comment #24 on issue 2010 by smi...@gmail.com: Integration with the full
Risch Algorithm
http://code.google.com/p/sympy/issues/detail?id=2010
In PR 1616 I just made the Risch algorithm with quick sorting. I'm still
being nagged by a failing kane test, however. That PR deals with
determini
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium CodeInCategory-Documentation
New issue 3471 by asmeu...@gmail.com: Improve screenshots portion of the
webpage
http://code.google.com/p/sympy/issues/detail?id=3471
Right now, we just have http://sympy.org/en/screenshots.html, but it
Updates:
Labels: -type Type-Defect
Comment #1 on issue 3470 by asmeu...@gmail.com: Add(1, 2,
evaluate=False) != Add(2, 1, evaluate=False)
http://code.google.com/p/sympy/issues/detail?id=3470
See http://code.google.com/p/sympy/issues/detail?id=2738#c7.
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Comment #12 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
Everything that goes through Risch goes through the polys. In fact, it's
better that way, because the integration o
Updates:
Cc: smi...@gmail.com
Comment #13 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
The following "fixes" this problem, but it's not clear if this isn't just
crea
Comment #2 on issue 3470 by ronan.l...@gmail.com: Add(1, 2,
evaluate=False) != Add(2, 1, evaluate=False)
http://code.google.com/p/sympy/issues/detail?id=3470
See also issue 2805.
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To post to th
Comment #3 on issue 2805 by asmeu...@gmail.com: Should unevaluated objects
still sort their args?
http://code.google.com/p/sympy/issues/detail?id=2805
Issue 3470 has been merged into this issue.
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Updates:
Status: Duplicate
Mergedinto: 2805
Comment #3 on issue 3470 by asmeu...@gmail.com: Add(1, 2,
evaluate=False) != Add(2, 1, evaluate=False)
http://code.google.com/p/sympy/issues/detail?id=3470
I'd say this is an exact duplicate of that.
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