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 -
Hi,
I'm sorry for getting in touch so late, but I'd love to work on the code
output classes for the classical mechanics project. I'm working on an open
source gait analysis project using inverse kinematics right now. The link
to my last presentation is available
at
On 04/30/2013 10:57 PM, Chris Smith wrote:
There are different ways to organize this, but here is a compact way
-- not necessarily the best. I don't know what your 'func's look like
so I am just showing the transformation of nc by multiplying or
dividing by 2:
def mul_xform(func):
def
Classical mechanics has already been implemented in SymPy[1] in the
sympy.physics.mechanics module. You can take a look at other ideas
herehttps://github.com/sympy/sympy/wiki/GSoC-2013-Ideas
.
[1] http://docs.sympy.org/dev/modules/physics/mechanics/index.html
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I would not be so fast about discouraging this project. There is a lot
that can be contributed to this submodule. It is worked on by the PyDy
organization and sympy might accept common projects.
On 1 May 2013 15:36, Prasoon Shukla prasoon92.i...@gmail.com wrote:
Classical mechanics has already
It would also be interesting to have a faster factorization algorithm for
integer polynomials. Currently the Zassenhaus method is used;
the van Hoeij algorithm is faster. A faster factorization algorithm would
be useful e.g. in computing the minimal polynomials;
there are cases in which minpoly
Any comments on this would be helpful.Thanks.
On Tue, Apr 30, 2013 at 7:30 PM, Amit Jamadagni bitsjamada...@gmail.comwrote:
https://github.com/sympy/sympy/wiki/GSoC-2013-Application-Amit-:-Extension-of-Matrix-Module
On Tue, Apr 30, 2013 at 7:29 PM, Amit bitsjamada...@gmail.com wrote:
Hi Amit,
I think you should explain in more detail the algorithms you are going
to implement. Don't just state that you are going to implement these
algorithms. Include pseudocode of these algorithms along with
references.
Cheers,
-Saurabh Jha
On May 2, 12:11 am, Amit Jamadagni
For the special matrices I guess there is enough for the examples(I might
be wrong should I even put in pseudo code for it ??) to explain the code
and moving onto norms I was finding it difficult to use the text , then
faced the same problem for the series.Thanks for the help will be including
the
I had the same problem yesterday and still can't upload now.
Bi Ge
On Tuesday, April 30, 2013 1:12:46 PM UTC-4, Aaron Meurer wrote:
It seems to be giving 502: Bad gateway.
Aaron Meurer
On Tue, Apr 30, 2013 at 11:03 AM, Aaron Meurer
asme...@gmail.comjavascript:
wrote:
Are other
I updated my proposal with benchmarking and sympy-bot, any further
comments would be appreciated.
Bi Ge
On Monday, April 22, 2013 2:14:47 AM UTC-4, Aaron Meurer wrote:
Some comments:
- Anything that cannot be automated should be closely evaluated If
it's not absolutely necessary, we
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