Updates:
Labels: NeedsReview smichr
Comment #1 on issue 3818 by smi...@gmail.com: Undefined name _clear in
sympify.py
http://code.google.com/p/sympy/issues/detail?id=3818
https://github.com/sympy/sympy/pull/2098
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Comment #11 on issue 3128 by thilina@gmail.com: Sum and Product
manipulations
http://code.google.com/p/sympy/issues/detail?id=3128
Thanks Aaron.
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Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3819 by abro...@verizon.net: trigsimp gives bad results for
non-commutative symbols
http://code.google.com/p/sympy/issues/detail?id=3819
Consider the following code -
from sympy import symbols, trigsimp, sin, cos
Comment #12 on issue 3434 by hacm...@gmail.com: warning when starting isympy
http://code.google.com/p/sympy/issues/detail?id=3434
The issue, as pointed out before, is that sympy/__init__.py imports
sympy.plotting, which in turn imports matplotlib.pyplot. isympy imports
functionality from
Comment #2 on issue 3815 by smi...@gmail.com: Factors should not divide out
zeros
http://code.google.com/p/sympy/issues/detail?id=3815
The convention is that Factors(1) - Factors().
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Comment #13 on issue 3434 by asmeu...@gmail.com: warning when starting
isympy
http://code.google.com/p/sympy/issues/detail?id=3434
2 is the correct solution. See the blocking issue.
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Updates:
Labels: Simplify WrongResult
Comment #1 on issue 3819 by asmeu...@gmail.com: trigsimp gives bad results
for non-commutative symbols
http://code.google.com/p/sympy/issues/detail?id=3819
(No comment was entered for this change.)
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Comment #1 on issue 3816 by smi...@gmail.com: bracelets() is untested
http://code.google.com/p/sympy/issues/detail?id=3816
bracelets is a pure wrapper that only calls necklaces with the free=True
parameter. That parameter is tested in tests for necklaces with true and
false values. I guess
Updates:
Status: Fixed
Comment #2 on issue 3808 by smi...@gmail.com: Calling .evalf() on
indefinite integral throws an exception
http://code.google.com/p/sympy/issues/detail?id=3808
(No comment was entered for this change.)
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Comment #1 on issue 3820 by smi...@gmail.com: Let factorint() act as an
iterator
http://code.google.com/p/sympy/issues/detail?id=3820
(And don't forget to use isprime, and the equivalent for polys, if you just
want to know if there is no factor.)
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Comment #2 on issue 3820 by asmeu...@gmail.com: Let factorint() act as an
iterator
http://code.google.com/p/sympy/issues/detail?id=3820
Actually, there currently is no equivalent. Poly.is_irreducible just calls
factor.
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Comment #2 on issue 3816 by asmeu...@gmail.com: bracelets() is untested
http://code.google.com/p/sympy/issues/detail?id=3816
I opened the issue when I removed the unused import from the test file from
pyflakes. I didn't realize it was just a wrapper.
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Labels: Type-Defect Priority-Medium Simplify
New issue 3821 by 16sn...@gmail.com: trigsimp does not simplify `cosh(z) -
sinh(z)`
http://code.google.com/p/sympy/issues/detail?id=3821
There are 4 expressions in this family which should be simplified to an
Comment #2 on issue 3819 by smi...@gmail.com: trigsimp gives bad results
for non-commutative symbols
http://code.google.com/p/sympy/issues/detail?id=3819
Haven't figured it out but to give a simpler failing expression:
A is noncommutative
trigsimp(-sin(th)**2*A - sin(2*th)*A/2)
Comment #3 on issue 3819 by smi...@gmail.com: trigsimp gives bad results
for non-commutative symbols
http://code.google.com/p/sympy/issues/detail?id=3819
I put a debug statement in strategies debug function and nothing in the
trigsimp sequence generates an error -- all the Trues are
OK, just to be perfectly precise, you need to include the http://, so
something like
./sympy-bot review 2094 -s http://sympy-reviews.appspot.com
Aaron Meurer
On Sat, May 11, 2013 at 8:01 PM, Aaron Meurer asmeu...@gmail.com wrote:
I am still waiting for Ondrej to move over the domain, but for
Hi James
I did succeed in converting sympy to javascript. I ended up having some of
the sympy core converted and loaded in the browser without syntax errors,
but it did not work properly.
On Friday, May 10, 2013 11:05:51 AM UTC+2, James wrote:
Hi Dennis
Sorry to revive an old thread, but I
Can you see if it works in the branch from
https://github.com/sympy/sympy/pull/2045?
Aaron Meurer
On Sun, May 12, 2013 at 1:37 PM, Neal Holtz nmho...@gmail.com wrote:
Hello
The following behaves differently when run on a remote ipython notebook
server than it does on a local server.
Yes, that seems to have fixed it. Thanks very much.
neal
On Sunday, May 12, 2013 3:48:18 PM UTC-4, Aaron Meurer wrote:
Can you see if it works in the branch from
https://github.com/sympy/sympy/pull/2045?
Aaron Meurer
On Sun, May 12, 2013 at 1:37 PM, Neal Holtz
plot_implicit also has issues at that point (see attached file). There is
some kind of singularity there.
[image: Inline image 1]
Aaron Meurer
On Tue, Apr 30, 2013 at 3:29 AM, Stefan Krastanov
krastanov.ste...@gmail.com wrote:
Probably your tolerance is too high.
In any case, this is
The highest level is the user interface (i.e., Poly and its methods). I
don't remember if that is level 2 or level 3.
Aaron Meurer
On Tue, Apr 30, 2013 at 11:02 AM, Saurabh Jha saurabh.j...@gmail.comwrote:
Hi,
I have understood that L0 of polys is implementation of functions in
pure
Are you asking how to implement the algorithm to check for such generators
or how to fix Poly to work with such things?
Aaron Meurer
On Wed, Apr 24, 2013 at 9:40 AM, smichr smi...@gmail.com wrote:
In my bisolve branch I have experimented with recognizing bivariate
generators of polynomials.
You need to override __repr__. Due to a long standing Python bug (bug in
quotes because no one intends to ever fix it), str(list) calls repr() on
the elements instead of str().
Aaron Meurer
On Thu, Apr 25, 2013 at 6:03 PM, Alan Bromborsky abro...@verizon.netwrote:
I have defined a new string
How to recognize such things.
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(sorry for just now replying. I am catching up on emails)
Usually when you subclass from Expr, you define __new__, since it's very
common for subclasses constructors to return a different class (e.g.,
Add(x, x) returns Mul(2, x), an instance of Mul).
The best way to see how to do this is to look
In each case, the monomials in x and y from the powers of u are unique. For
example, for u = a*x*y + y (btw should it really be a*x*y + b*y?), u has
the monomials x*y and y, u**2 has the monomials x**2*y**2, x*y**2, and
y**2, and so on. So all you need to do is pull together the various
monomials
I wonder if there is a general algorithm for multivariate polynomial
decomposition. That would make your life a lot easier. We already have one
for the univariate case (decompose()). You might check the literature.
Aaron Meurer
On Sun, May 12, 2013 at 10:15 PM, Aaron Meurer asmeu...@gmail.com
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