Updates:
Labels: smichr NeedsReview
Comment #7 on issue 2511 by smi...@gmail.com: Document how to use lambdas
in replace (was: Bug with replace)
http://code.google.com/p/sympy/issues/detail?id=2511
https://github.com/sympy/sympy/pull/2062
In addition to updating the docstring, I
Comment #1 on issue 3797 by smi...@gmail.com: stirling function can't be
imported
http://code.google.com/p/sympy/issues/detail?id=3797
No problem here:
from sympy.functions.combinatorial.numbers import stirling, bell
(using 0.7.2-git)
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Comment #2 on issue 3797 by buratin@gmail.com: stirling function can't
be imported
http://code.google.com/p/sympy/issues/detail?id=3797
The problem is within sympy-0.7.2-py3.2.tar.gz (python 3 release!). Also
try:
Try the following:
* Open http://live.sympy.org
* Enter from
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3798 by smi...@gmail.com: pprint evaluates unevaluated term
http://code.google.com/p/sympy/issues/detail?id=3798
Here, print and pprint behave the same:
eq=Add(Mul(2,x-2,evaluate=False),5,evaluate=False);eq
2*(x - 2) + 5
Comment #21 on issue 2440 by smi...@gmail.com: Equal Integrals compare
different when using different variables
http://code.google.com/p/sympy/issues/detail?id=2440
This is a repost from PR 3775:
Something that I think would be useful for addressing this issue is
a fold or fold_symbols
Comment #22 on issue 2440 by smi...@gmail.com: Equal Integrals compare
different when using different variables
http://code.google.com/p/sympy/issues/detail?id=2440
I see why this is a bad idea - the bound symbols only should be remapped,
not the others or else a cached result for one
Comment #1 on issue 3796 by li.david...@gmail.com: AttributeError: 'Tuple'
object has no attribute 'is_polynomial' in manualintegrate
http://code.google.com/p/sympy/issues/detail?id=3796
https://github.com/sympy/sympy/pull/2065 addresses this issue.
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Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Simplify
New issue 3799 by asmeu...@gmail.com: trigsimp goes too far?
http://code.google.com/p/sympy/issues/detail?id=3799
In [3]: simplify(exp(x)*sin(x)/2 + exp(x)*cos(x)/2)
Out[3]:
___ x⎛π⎞
╲╱ 2 ⋅ℯ ⋅sin⎜x + ─⎟
Comment #4 on issue 3795 by asmeu...@gmail.com: math domain error from plot
http://code.google.com/p/sympy/issues/detail?id=3795
Do you have numpy installed?
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Comment #5 on issue 3795 by asmeu...@gmail.com: math domain error from plot
http://code.google.com/p/sympy/issues/detail?id=3795
Actually, the fix here is easy. Just add ValueError to the list of errors
caught at that line.
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Updates:
Status: Fixed
Comment #13 on issue 1685 by smi...@gmail.com: Wrong result from
collect(...) in simplify.py
http://code.google.com/p/sympy/issues/detail?id=1685
(No comment was entered for this change.)
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Comment #1 on issue 3799 by smi...@gmail.com: trigsimp goes too far?
http://code.google.com/p/sympy/issues/detail?id=3799
yes, it uses the induced formula transformation to reduce 2 functions to
one...and having fewest functions is the criteria that fu uses. You can
always go back with
Updates:
Summary: Smarter simplicity criteria for Fu trigsimp
Comment #2 on issue 3799 by asmeu...@gmail.com: Smarter simplicity criteria
for Fu trigsimp
http://code.google.com/p/sympy/issues/detail?id=3799
So clearly it needs a smarter criteria. I consider that form to be less
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3800 by smi...@gmail.com: IdentityFunction doesn't rebuild from
args
http://code.google.com/p/sympy/issues/detail?id=3800
Lambda(x, x)
Lambda(_x, _x)
_.func(*_.args)
Traceback (most recent call last):
File stdin,
Comment #3 on issue 3799 by smi...@gmail.com: Smarter simplicity criteria
for Fu trigsimp
http://code.google.com/p/sympy/issues/detail?id=3799
What if you have a product of two such functions, is
cos(x+pi/4)*cos(y+pi/4) more complicated than sin(x)*sin(y)/2 -
sin(x)*cos(y)/2 -
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