Comment #4 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
The ratint() example works when you apply doit() to the result:
In [2]: from sympy.integrals.rationaltools import *
In [3]: ratint(1/(x**2 + 1), x, real=False)
Comment #5 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
I don't know how to run cythonized tests.
Issue `make` in the main directory of sympy and it will compile selected
modules in-place. Then run tests as usual
Comment #24 on issue 2132 by mattpap: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
So, SymPy doesn't know that RootSum is commutative.
Now it knows. Also RootOf is now commutative.
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Comment #6 on issue 2133 by mattpap: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
I fixed test runner to work with Python 2.4, so now all tests in
sympy.polys can be run in 2.4 and all pass.
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Comment #27 on issue 51 by mattpap: RootOf for polynomial equations
http://code.google.com/p/sympy/issues/detail?id=51
Regarding #25, I slightly improved RooOf's API, so now we have:
1. Just a single root:
In [1]: RootOf(x**3 + x + 1, 0)
Out[1]:
⎛ 3 ⎞
RootOf⎝x + x + 1, 0⎠
2.
Updates:
Status: Started
Labels: NeedsReview
Comment #4 on issue 1386 by mattpap: data/IPython/ipythonrc-sympy doesn't
seem to work:
http://code.google.com/p/sympy/issues/detail?id=1386
A fix for this issue is available from
https://github.com/mattpap/sympy-polys/commits/rel
Comment #5 on issue 1989 by mattpap: Remove depricated Matrix functions
http://code.google.com/p/sympy/issues/detail?id=1989
It was deprecated long enough, +1 for merging this patch before 0.7.0
release.
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Updates:
Labels: NeedsReview
Comment #8 on issue 527 by mattpap: guessing what functions, like
integrate, roots, factor, apart (and many more), should do with the given
expression
http://code.google.com/p/sympy/issues/detail?id=527
In commits 27f8bc6eef07da622590140c253444267b6797f3
Updates:
Labels: -EasyToFix NeedsReview
Comment #5 on issue 1432 by mattpap: simplify gets hung up on this
expression
http://code.google.com/p/sympy/issues/detail?id=1432
Actually there is a test for this, see lines 158-160 in
sympy/simplify/test_simplify.py in polys12.
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Comment #35 on issue 1646 by mattpap: Solving inequalities
http://code.google.com/p/sympy/issues/detail?id=1646
Regarding #33, this misleading error message was improved in
d2a9918f15ec2fb3fc05eae435901388133c744d in polys12 branch.
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Comment #44 on issue 2084 by ronan.l...@gmail.com: limit(1+1/x, x, 0,
dir='-') fails
http://code.google.com/p/sympy/issues/detail?id=2084
I'd push this in if I understood which of the 3 pull requests named "2084"
is/are the right one(s). Chris, can you sort out the confusion between
https
Comment #45 on issue 2084 by nicolas.pourcelot: limit(1+1/x, x, 0, dir='-')
fails
http://code.google.com/p/sympy/issues/detail?id=2084
Commit bae66169 is the correct one, so pull requests 22 and 29 are both
right.
Pull request 43 should be removed however (corresponding commits b7264f6
Comment #32 on issue 1923 by candleband: count_ops doesn't return a count
(by default)
http://code.google.com/p/sympy/issues/detail?id=1923
Nocolas, can you figure out how to modify 1923 so that And(x, y) gives back
a count of 1 (like it did in master) instead of 2. In master (AFAICT) it
Comment #46 on issue 2084 by candleband: limit(1+1/x, x, 0, dir='-') fails
http://code.google.com/p/sympy/issues/detail?id=2084
I closed all 3, and opened a new request (61) that shows the correct single
commit over the current master.
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smichr wants someone to pull from smichr:2084:
I don't know why any of the 3 previous pull requests didn't become updated when
I repushed the current version that I have so I rebased on master, closed all
previous requests and opened this new request.
(One thing I did notice, however, is that o
Comment #33 on issue 1923 by nicolas.pourcelot: count_ops doesn't return a
count (by default)
http://code.google.com/p/sympy/issues/detail?id=1923
Sorry, I don't understand what you mean. Add(x, y).count_ops() still
returns 1:
$ git checkout smichr/1923
$ ./bin/isympy
In [1]: Add(x,y).co
Updates:
Cc: Ronan.Lamy
Comment #34 on issue 1923 by smichr: count_ops doesn't return a count (by
default)
http://code.google.com/p/sympy/issues/detail?id=1923
I am really having a bad day with sessions...yes, I (now) get the same
result.
Should count_ops() have these lines:
Comment #20 on issue 1337 by smichr: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
While normal atoms can do some of what find does,
f.atoms(tan)
set([tan(1), tan(x**2), tan(tan(1 - x)), tan(1 - x)])
It can't find more general patterns so this looks
Comment #5 on issue 2126 by smichr: fix doctest or quality testing to
recognize doctests
http://code.google.com/p/sympy/issues/detail?id=2126
Issue 2035 has been merged into this issue.
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Comment #34 on issue 1757 by smichr: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
Here are some other issues that have come up and can be discussed:
1) always name the first argument of a method "self"
2) don't modify self in a method.
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Comment #35 on issue 1757 by mattpap: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
I disagree with 1) because in many cases it's more natural to not use self.
Even in Python's standard library self is not always used as the first
argument, e.g. in Fraction class from fra
Comment #14 on issue 1949 by asmeurer: Doctests for polynomials module
http://code.google.com/p/sympy/issues/detail?id=1949
Concerning comments 7, 9, and 10, I tried building the docs in polys12
using Sphinx 1.0.5, and perhaps it is a new feature, but I the docs still
built despite all the "
Comment #15 on issue 1949 by mattpap: Doctests for polynomials module
http://code.google.com/p/sympy/issues/detail?id=1949
I didn't work on documentation yet, so let me look into this tomorrow.
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Issue 2135: Drop support for Python 2.4
http://code.google.com/p/sympy/issues/detail?id=2135
This issue is now blocking issue 1998.
See http://code.google.com/p/sympy/issues/detail?id=1998
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Comment #2 on issue 2135 by mattpap: Drop support for Python 2.4
http://code.google.com/p/sympy/issues/detail?id=2135
This way we will be also able to use things like collections.Callable
instead of callable() to move towards Python 3.
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Comment #21 on issue 1985 by asmeurer: as_real_imag() gives wrong answer
when expanding quotient
http://code.google.com/p/sympy/issues/detail?id=1985
Issue 2067 has been merged into this issue.
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Comment #35 on issue 1923 by nicolas.pourcelot: count_ops doesn't return a
count (by default)
http://code.google.com/p/sympy/issues/detail?id=1923
Well, I personally don't mind.
Concerning style, however, I would write it as following :
elif isinstance(expr, Expr):
return expr.c
Comment #36 on issue 1757 by asmeurer: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
What do you mean "don't modify self in a method"?
And by the way, the first argument of class methods should be "cls",
not "self".
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Comment #3 on issue 2135 by asmeurer: Drop support for Python 2.4
http://code.google.com/p/sympy/issues/detail?id=2135
I actually made a list of things we can do once we drop Python 2.4 in that
second mailing list link above. This wasn't one of the items, though.
Personally, I can't wait to
Comment #4 on issue 2135 by mattpap: Drop support for Python 2.4
http://code.google.com/p/sympy/issues/detail?id=2135
Imagine wrapping the options manager around a with statement.
See sympy/polys/polycontext.py ;) (__enter__ and __exit__ currently raise
NotImplemented error, but it's not a
asmeurer wants someone to pull from asmeurer:mpmath-0.16:
This updates mpmath to 0.16. There is currently a problem with the Sphinx docs
where a bunch of plots to not get built correctly. Do `cd doc; make html` and
open, for example, `_build/html/modules/mpmath/functions/bessel.html` to see
t
Comment #37 on issue 1757 by ronan.l...@gmail.com: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
What do you mean "don't modify self in a method"?
More precisely, it's "don't rebind the first argument of a method
(usually 'self' or 'cls') inside the method".
It means th
asmeurer wants someone to pull from asmeurer:doctest:
This fixes the ubiquitous [issue
2041](http://code.google.com/p/sympy/issues/id=2041#makechanges) doctest
problem by further patching our doctest runner from the Python 2.7 doctest.py
file.
View Pull Request: https://github.com/sympy/sympy/
Updates:
Labels: NeedsReview asmeurer
Comment #23 on issue 2041 by asmeurer: Doctest failures in Python 2.6.6
http://code.google.com/p/sympy/issues/detail?id=2041
This was not too hard to fix. I basically had to do what I said in comment
11: I took the code that was changed in that Py
Comment #38 on issue 1757 by asmeurer: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
I see. Yes, that is probably a bad idea, because then you lose access to
self. But does it really happen so often that we need to test for it? I
have never seen anything like that befo
Comment #39 on issue 1757 by smichr: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
grep for "self = " and you'll find some places where it happens in current
sympy.
I would do it when I intend to modify self and return a new value. A
trivial example, but in the spirit o
asmeurer wants someone to pull from asmeurer:2137:
See the issue page. The bug was with `(cos(1+I)**3).as_real_imag()`.
View Pull Request: https://github.com/sympy/sympy/pull/64
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Updates:
Labels: WrongResult EasyToFix NeedsReview asmeurer
Comment #1 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
I knew that people should have reviewed that part of the code better before
it was pushed in!
Comment #6 on issue 1989 by asmeurer: Remove depricated Matrix functions
http://code.google.com/p/sympy/issues/detail?id=1989
Go ahead and cherry-pick the commits from integration3 that you are +1 on
into release0.7.0 or polys12, and they will go in with that (if you
cherry-pick, I will assu
Comment #40 on issue 1757 by asmeurer: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
Yeah, self is nothing special in Python; it's just a conventional name for
the first argument of methods that is automatically given as object in
object.method(…). It's not like by doing
Comment #7 on issue 2133 by asmeurer: Merge new polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=2133
Regarding the intervals thing, if I apply the patch:
diff --git a/sympy/polys/tests/test_polytools.py
b/sympy/polys/tests/test_polytools.py
index 61e0576..0
Updates:
Labels: -NeedsReview NeedsBetterPatch
Comment #25 on issue 2132 by asmeurer: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
Now cancel(a.diff(x)) does not cause a traceback, but it doesn't
auto-simplify either. Calling doit() gives this:
In [4]:
Comment #26 on issue 2132 by asmeurer: Derivative of RootSum
http://code.google.com/p/sympy/issues/detail?id=2132
I think the problem, or at least part of the problem, is that it is trying
to expand the RootSum into a sum or RootOfs instead of simplifying the
rational function Lambda, which
smichr wants someone to pull from smichr:2018:
I'm not sure how to decorate with @deprecated (I was unable to successfully
import this from utilities) so I raised a NotImplementedError with instructions
on what to use instead.
All tests and doctests still pass.
View Pull Request: https://githu
Updates:
Labels: NeedsReview
Comment #8 on issue 2018 by smichr: terms vs factors
http://code.google.com/p/sympy/issues/detail?id=2018
https://github.com/sympy/sympy/pull/65
I just renamed as_coeff_terms to as_coeff_mul and as_coeff_factors to
as_coeff_add and in a few places changed
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