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Comment #13 on issue 841 by asmeurer: integrate(exp(-x**2)*exp(I*k*x), (x,
-oo, oo)) doesn't calculate the integral
http://code.google.com/p/sympy/issues/detail?id=841
Another (and in my opinion, better, until we can get the solution mentioned
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Comment #7 on issue 1009 by asmeurer: solve(e, k) hangs
http://code.google.com/p/sympy/issues/detail?id=1009
OK, I can reproduce the problem with the cache turned off (btw, for those
who don't remember you run without the
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Comment #14 on issue 1065 by asmeurer: Good function plotting
http://code.google.com/p/sympy/issues/detail?id=1065
Rescheduling again.
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Comment #36 on issue 1646 by asmeurer: Solving inequalities
http://code.google.com/p/sympy/issues/detail?id=1646
Issue 1253 has been merged into this issue.
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Comment #27 on issue 2132 by mattpap: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
Now it can:
In [1]: f = 161*z**3 + 115*z**2 + 19*z + 1
In [2]: g = Lambda(z, z*log(-3381*z**4/4 - 3381*z**3/4 - 625*z**2/2 -
125*z/2 - 5 + exp(x)))
In [3]: RootSum(f, g)
Out[3]:
Comment #28 on issue 2132 by mattpap: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
It's pretty slow though (70% of time being spent in expand() (the most
annoying function in SymPy for me)).
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Comment #29 on issue 2132 by mattpap: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
In 30c7fa78690828a0ac12b0e84c7ede31f4d4beff in polys12 I also fixed the
problem with subs() (actually I fixed RootOf(*RootOf(...).args)).
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Comment #30 on issue 2132 by mattpap: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
(No comment was entered for this change.)
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Comment #31 on issue 2132 by Vinzent.Steinberg: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
Do you use the general expand() or a specialized version, that does not try
to expand everything? I think there are many low-hanging fruits in
expand()...
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Comment #8 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
I tracked this problem to:
import math
math.log(4, 2)
2.0
math.log(4L, 2)
1.9998
in Python 2.7.
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Comment #5 on issue 1942 by jensen.oyvind: Refactor the singleton mechanism
http://code.google.com/p/sympy/issues/detail?id=1942
I reviewed the pull request and I like it. But I am not so familiar with
metaclass hacking, so perhaps one of the more experienced developers should
have a look a
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Comment #9 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
In 33d65af124b5096ddfde5334b658a55f32b76f2b in polys12 I made it work by
changing math.log(arg, base) to
Updates:
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Comment #1 on issue 2141 by jensen.oyvind: improve simplifications by dummy
substitution in secondquant
http://code.google.com/p/sympy/issues/detail?id=2141
(No comment was entered for this change.)
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haz wants someone to pull from haz:to_int_repr:
Changed the to_int_repr to use a dict rather than a list. This is in response
to this issue:
- http://code.google.com/p/sympy/issues/detail?id=1545
View Pull Request: https://github.com/sympy/sympy/pull/69
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Comment #6 on issue 1942 by Vinzent.Steinberg: Refactor the singleton
mechanism
http://code.google.com/p/sympy/issues/detail?id=1942
Ronan is probably the most experienced developer we have. :)
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Issue 2133: Merge new polynomials manipulation module
http://code.google.com/p/sympy/issues/detail?id=2133
This issue is now blocking issue 1276.
See http://code.google.com/p/sympy/issues/detail?id=1276
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Labels: NeedsReview asmeurer
Comment #11 on issue 1946 by asmeurer: Recursion error with
SYMPY_GROUND_TYPES=sympy (caching problem)
http://code.google.com/p/sympy/issues/detail?id=1946
Well, I think this is important, so I created a patch to fix it. Actually,
with the way
asmeurer wants someone to pull from asmeurer:1946:
See [issue 1946](http://code.google.com/p/sympy/issues/detail?id=1946).
View Pull Request: https://github.com/sympy/sympy/pull/70
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Comment #32 on issue 2132 by asmeurer: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
So implementing Frac() will make this faster by allowing it to do expand
entirely in Poly?
And I totally agree with you about expand(). Let's make it a priority to
make it fas
Comment #2 on issue 2141 by asmeurer: improve simplifications by dummy
substitution in secondquant
http://code.google.com/p/sympy/issues/detail?id=2141
Øyvind, I have given you push access to the main repo, so you can push this
(and other positively reviewed branches) in.
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Comment #33 on issue 2132 by asmeurer: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
And by the way, my example now works (I forgot to throw in a term):
In [6]: cancel((a + x).diff(x))
Out[6]:
1
─
x5⋅x
1 + ℯ + ℯ
So this is exactly what I
Updates:
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Comment #10 on issue 2133 by asmeurer: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
Regarding the math.log issue, isn't that to be expected, since math.log is
a floating point function.
Comment #11 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
This is what Python devs wrote in bugs.python.org. This is of course
correct explanation but in this (an a few other) special case the algorithm
could retur
Comment #21 on issue 1337 by asmeurer: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
atoms seems to be a little slower (though not by much):
In [10]: %timeit f.atoms(tan)
1 loops, best of 3: 90.5 us per loop
In [11]: %timeit f.find(tan)
1 loop
Comment #45 on issue 1778 by asmeurer: Rational from string can be improved
http://code.google.com/p/sympy/issues/detail?id=1778
That pull request was closed. Is this issue fixed, and if so, are the
blocked on issues fixed?
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Cc: Vinzent.Steinberg Ronan.Lamy
Comment #8 on issue 1376 by asmeurer: sympy.sum overrides built-in sum with
a different call syntax
http://code.google.com/p/sympy/issues/detail?id=1376
As far as I can tell, this change is still there in polys12. Are you guys
still -1, bec
Comment #22 on issue 1337 by Vinzent.Steinberg: find all instances in an
expression
http://code.google.com/p/sympy/issues/detail?id=1337
By the way, this can be very useful for an expression rewriting function
This was actually the motivation for opening this issue. :)
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Issue 1947: @property methods are not doctested
http://code.google.com/p/sympy/issues/detail?id=1947
This issue is now blocking issue 1379.
See http://code.google.com/p/sympy/issues/detail?id=1379
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Issue 2041: Doctest failures in Python 2.6.6
http://code.google.com/p/sympy/issues/detail?id=2041
This issue is now blocking issue 1379.
See http://code.google.com/p/sympy/issues/detail?id=1379
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Comment #5 on issue 1386 by asmeurer: data/IPython/ipythonrc-sympy doesn't
seem to work:
http://code.google.com/p/sympy/issues/detail?id=1386
So based on your modifications to that code, do you think we should
unify "from sympy.interactive import *" and init_
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Comment #7 on issue 1422 by asmeurer: spherical bessel functions
http://code.google.com/p/sympy/issues/detail?id=1422
Ondrej, you recently got some Bessel stuff in. Is this issue still valid
after that?
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Comment #23 on issue 1467 by asmeurer: sorting values with imaginary
numbers in radical
http://code.google.com/p/sympy/issues/detail?id=1467
(No comment was entered for this change.)
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Issue 2133: Merge new polynomials manipulation module
http://code.google.com/p/sympy/issues/detail?id=2133
This issue is now blocking issue 1469.
See http://code.google.com/p/sympy/issues/detail?id=1469
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Comment #12 on issue 1599 by asmeurer: match docstring
http://code.google.com/p/sympy/issues/detail?id=1599
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Status: Fixed
Comment #6 on issue 1628 by asmeurer: residue() function implemented
http://code.google.com/p/sympy/issues/detail?id=1628
I think this was https://github.com/sympy/sympy/pull/15, which was pushed
in.
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Status: Duplicate
Mergedinto: 1154
Comment #6 on issue 1642 by asmeurer: decorators in
functions/special/polynomials.py prevent printing in Mul.flatten (and
others)
http://code.google.com/p/sympy/issues/detail?id=1642
This was actually a duplicate of issue 1154.
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Comment #3 on issue 1154 by asmeurer: Don't do any calculation at import
time
http://code.google.com/p/sympy/issues/detail?id=1154
Issue 1642 has been merged into this issue.
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Comment #8 on issue 1422 by asmeurer: spherical bessel functions
http://code.google.com/p/sympy/issues/detail?id=1422
I am referring to https://github.com/sympy/sympy/pull/16.
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Comment #45 on issue 1757 by asmeurer: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
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Comment #8 on issue 1797 by ellisonbg: fix isympy for upcoming ipython 0.11
http://code.google.com/p/sympy/issues/detail?id=1797
I have been doing some work on IPython recently that will make this issue
much easier to resolve. Once the relevant work is done on IPython, I will
update sympy a
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Comment #15 on issue 1903 by asmeurer: Unify Assume keys, ask keys and ask
handlers
http://code.google.com/p/sympy/issues/detail?id=1903
So what is the state of this? Is what remains still priority?
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asmeurer wants someone to pull from asmeurer:call_deprecated:
Note that this pull request is mutually exclusive with pull request #. Please
review one or the other, whether you think the `__call__` behavior should be
deprecated or just removed. This one is for deprecation.
View Pull Request:
asmeurer wants someone to pull from asmeurer:call_remove:
Note that this pull request is mutually exclusive with pull request 71. Please
review one or the other, whether you think the `__call__` behavior should be
deprecated or just removed. This one is for removal.
View Pull Request: https:/
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Comment #8 on issue 1927 by asmeurer: Basic.__call__ is confusing and
inconsistent
http://code.google.com/p/sympy/issues/detail?id=1927
So I went ahead and made a pull request for both of these. Pick which one
you think is better.
Note that P
Issue 1778: Rational from string can be improved
http://code.google.com/p/sympy/issues/detail?id=1778
This issue is no longer blocking issue 1914.
See http://code.google.com/p/sympy/issues/detail?id=1914
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Status: WontFix
Blockedon: -1778
Comment #9 on issue 1914 by smichr: add dictionary support to sympify
http://code.google.com/p/sympy/issues/detail?id=1914
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asmeurer wants someone to pull from asmeurer:github_docs:
Replace all instances of git.sympy.org with github in the docs. See [issue
1959](http://code.google.com/p/sympy/issues/detail?id=1959).
View Pull Request: https://github.com/sympy/sympy/pull/73
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Comment #3 on issue 1959 by asmeurer: update docs about github
http://code.google.com/p/sympy/issues/detail?id=1959
I did this, albeit minimally (I only replaced instances of git.sympy.org
with github in the docs). I also replaced it
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Comment #3 on issue 1969 by asmeurer: Matrix.LUdecompositionFF() fails for
some inputs
http://code.google.com/p/sympy/issues/detail?id=1969
This looks good.
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Comment #5 on issue 2135 by asmeurer: Drop support for Python 2.4
http://code.google.com/p/sympy/issues/detail?id=2135
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Comment #9 on issue 1362 by asmeurer: Expand support for printing
derivatives
http://code.google.com/p/sympy/issues/detail?id=1362
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Comment #5 on issue 1945 by asmeurer: Fix as_numer_denom() docstring and
add Expr to the Sphinx docs
http://code.google.com/p/sympy/issues/detail?id=1945
See the pull request.
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Comment #2 on issue 2137 by asmeurer: as_real_imag is broken for cos(1+I)**3
http://code.google.com/p/sympy/issues/detail?id=2137
See the pull request.
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Comment #2 on issue 2121 by asmeurer: Add t to the list of default symbols
in isympy
http://code.google.com/p/sympy/issues/detail?id=2121
See the pull request.
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Labels: Testing
Comment by asmeurer:
(No comment was entered for this change.)
Affected issues:
issue 1746: Let bin/test --random accept a seed input
http://code.google.com/p/sympy/issues/detail?id=1746
issue 1752: setup.py test annoyances
http://code.google.com/p/s
Updates:
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Comment by asmeurer:
(No comment was entered for this change.)
Affected issues:
issue 2041: Doctest failures in Python 2.6.6
http://code.google.com/p/sympy/issues/detail?id=2041
issue 2126: fix doctest or quality testing to recognize doctests
http://
Comment #6 on issue 1386 by mattpap: data/IPython/ipythonrc-sympy doesn't
seem to work:
http://code.google.com/p/sympy/issues/detail?id=1386
I think we should clean up this at least. I started doing this
in 'printing' branch in sympy-polys (also related to the E-mail from sympy
mailing li
Comment #23 on issue 1337 by mattpap: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
We can add replace() method with the following syntax:
expr.replace(query_or_type_or_pattern, make_it_a_little_different_function)
(or it can be find_and_replace()).
Comment #24 on issue 1337 by asmeurer: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
Or you could just add it to subs. I like replace, though.
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