Updates:
Labels: NeedsReview Milestone-Release0.7.0
Comment #4 on issue 2386 by matt...@gmail.com: gosper(...) is missing tests
and docstring
http://code.google.com/p/sympy/issues/detail?id=2386
Pull request is here: https://github.com/sympy/sympy/pull/318
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Comment #3 on issue 2387 by ness...@googlemail.com: Evalf of trig functions
with imaginary arguments
http://code.google.com/p/sympy/issues/detail?id=2387
No this makes nsimplify((1/(exp(3*pi*x/5)+1))) enter an infinite loop.
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Comment #3 on issue 2389 by Vinzent.Steinberg: Semantic inconsistency
between Basic.__contains__ and Tuple.__contains__
http://code.google.com/p/sympy/issues/detail?id=2389
I agree that this inconsistency can lead to problems (Basic.__contains__
vs. Tuple. __contains__, where the latter is
Updates:
Labels: Milestone-Release0.7.0
Comment #17 on issue 1525 by asmeurer: No integration by substitution
http://code.google.com/p/sympy/issues/detail?id=1525
(No comment was entered for this change.)
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Comment #72 on issue 1766 by smi...@gmail.com: separatevars should use
expand [was: expand(power_base=True) is too aggressive]
http://code.google.com/p/sympy/issues/detail?id=1766
You can't imagine the shock of making these changes and not seeing any
failures except a single one in the tes
Status: Accepted
Owner: smi...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 2390 by smi...@gmail.com: factor(sqrt(x*y), expand=False) ->
sqrt(x)*sqrt(y)
http://code.google.com/p/sympy/issues/detail?id=2390
factor should use core methods to decide whether bases of a power should be
Updates:
Status: Started
Blockedon: 1620
Comment #18 on issue 1525 by asmeurer: No integration by substitution
http://code.google.com/p/sympy/issues/detail?id=1525
Well, I think the easiest way to fix this will be to make Derivative(f(x),
g(x)) raise an error. Unfortunately, t
Issue 1620: Allow derivatives of unknown functions evaluated at a point
http://code.google.com/p/sympy/issues/detail?id=1620
This issue is now blocking issue 1525.
See http://code.google.com/p/sympy/issues/detail?id=1525
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Updates:
Labels: -Type-Enhancement Type-Defect Milestone-Release0.7.1
Comment #12 on issue 1620 by asmeurer: Allow derivatives of unknown
functions evaluated at a point
http://code.google.com/p/sympy/issues/detail?id=1620
HUGE props to whoever fixes this issue.
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Comment #1 on issue 2390 by asmeurer: factor(sqrt(x*y), expand=False) ->
sqrt(x)*sqrt(y)
http://code.google.com/p/sympy/issues/detail?id=2390
If we do this, then factor() should get a force keyword that it passes
along to these functions.
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Updates:
Labels: -Priority-Medium Priority-High
Comment #19 on issue 1525 by asmeurer: No integration by substitution
http://code.google.com/p/sympy/issues/detail?id=1525
OK, the ode test failure was because of the test for exact ODEs in
classify_ode. I fixed it by wrapping it around
Updates:
Status: Fixed
Labels: -NeedsReview PassedReview
Comment #3 on issue 2373 by asmeurer: typo in printing/latex.py
http://code.google.com/p/sympy/issues/detail?id=2373
This as pushed in.
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Updates:
Status: Fixed
Labels: -NeedsReview PassedReview
Comment #5 on issue 2386 by asmeurer: gosper(...) is missing tests and
docstring
http://code.google.com/p/sympy/issues/detail?id=2386
This was pushed in.
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Comment #10 on issue 2203 by asmeurer: doctest does not test IPython
interactive sessions
http://code.google.com/p/sympy/issues/detail?id=2203
This is ready to be reviewed again.
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Comment #19 on issue 2307 by asmeurer: Duplicate methods: as_coeff_mul and
as_coeff_Mul
http://code.google.com/p/sympy/issues/detail?id=2307
By the way, I'm starting to think we should just keep both.
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Comment #4 on issue 2389 by ronan.l...@gmail.com: Semantic inconsistency
between Basic.__contains__ and Tuple.__contains__
http://code.google.com/p/sympy/issues/detail?id=2389
@asmeurer: OK, Basic.__contains__ should only be deprecated, but not
removed.
The problem seems harder than I tho
Updates:
Cc: vlada.pe...@gmail.com
Labels: -Milestone-Release0.7.0 Milestone-Release0.7.1
Comment #2 on issue 2385 by asmeurer: Refactor Basic.sorted_key
http://code.google.com/p/sympy/issues/detail?id=2385
This will have to be done during the Python 3 porting, since the old
co
Comment #5 on issue 2389 by asmeurer: Semantic inconsistency between
Basic.__contains__ and Tuple.__contains__
http://code.google.com/p/sympy/issues/detail?id=2389
Should we rewrite has()? Why does it call matches()?
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Comment #3 on issue 2385 by ronan.l...@gmail.com: Refactor Basic.sorted_key
http://code.google.com/p/sympy/issues/detail?id=2385
Only the first 3 items need to be addressed before the release, because
they affect the interface.
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Updates:
Labels: -Milestone-Release0.7.0 Milestone-Release0.7.1
Comment #2 on issue 2388 by asmeurer: The value of str(expr) depends on a
global setting
http://code.google.com/p/sympy/issues/detail?id=2388
Ronan, do you have a better way to do it? We can't block the release on
some
Updates:
Labels: -NeedsReview -mattpap
Comment #33 on issue 51 by asmeurer: RootOf for polynomial equations
http://code.google.com/p/sympy/issues/detail?id=51
Mateusz, did you get anywhere with this?
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Comment #6 on issue 2389 by asmeurer: Semantic inconsistency between
Basic.__contains__ and Tuple.__contains__
http://code.google.com/p/sympy/issues/detail?id=2389
Should we push in the fix for issue 2283 in the interim? Or do you think
you will be able to fix this before the release (== s
Updates:
Labels: -Milestone-Release0.7.1 Milestone-Release0.7.0
Comment #3 on issue 2388 by ronan.l...@gmail.com: The value of str(expr)
depends on a global setting
http://code.google.com/p/sympy/issues/detail?id=2388
The -o option should change sys.displayhook, but leave str() alone.
Updates:
Labels: NeedsReview
Comment #12 on issue 1721 by ronan.l...@gmail.com: Rename class 'Real'
http://code.google.com/p/sympy/issues/detail?id=1721
https://github.com/sympy/sympy/pull/321
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Updates:
Labels: asmeurer NeedsReview
Comment #5 on issue 2308 by asmeurer: Rename or refactor Add.primitive()
http://code.google.com/p/sympy/issues/detail?id=2308
So I went ahead and implemented Expr.primitive(), which just returns
self.as_coeff_Mul(). As I mentioned on issue 2307, I
Comment #34 on issue 51 by matt...@gmail.com: RootOf for polynomial
equations
http://code.google.com/p/sympy/issues/detail?id=51
I'm working on this. Did we decide when we will release new version? (it
would help me to organize my work)
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Comment #35 on issue 51 by asmeurer: RootOf for polynomial equations
http://code.google.com/p/sympy/issues/detail?id=51
As soon as I can close all the Milestone-Release0.7.0 issues, I will create
a RC.
My goal is to have the release out by the end of the month. So as soon as
you can fix t
Comment #4 on issue 2388 by asmeurer: The value of str(expr) depends on a
global setting
http://code.google.com/p/sympy/issues/detail?id=2388
I suppose that's reasonable. And we do have sstr(), which could use the
global option. Any objections?
We should make str() use lex, though (as p
Issue 1491: Use nice ordering in printing
http://code.google.com/p/sympy/issues/detail?id=1491
This issue is now blocking issue 2388.
See http://code.google.com/p/sympy/issues/detail?id=2388
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Updates:
Status: Accepted
Cc: matt...@gmail.com
Blockedon: 1491
Comment #5 on issue 2388 by asmeurer: The value of str(expr) depends on a
global setting
http://code.google.com/p/sympy/issues/detail?id=2388
(No comment was entered for this change.)
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Updates:
Labels: -Milestone-Release0.7.0 Milestone-Release0.7.1
Comment #6 on issue 1629 by asmeurer: solve() raises an exception for
quartic equation
http://code.google.com/p/sympy/issues/detail?id=1629
I'm postponing this, because it isn't too important.
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Updates:
Labels: NeedsReview asmeurer
Comment #4 on issue 2355 by asmeurer: Should we .gitignore .patch and .rej
files?
http://code.google.com/p/sympy/issues/detail?id=2355
See https://github.com/sympy/sympy/pull/323.
I just removed *.patch and *.rej.
Are tags, dist, and my all thin
Updates:
Status: NeedsDecision
Comment #6 on issue 2308 by ronan.l...@gmail.com: Rename or refactor
Add.primitive()
http://code.google.com/p/sympy/issues/detail?id=2308
Argh! Please, no! If sin(x).primitive() exists, it should return something
like cos(x).
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Comment #7 on issue 2308 by asmeurer: Rename or refactor Add.primitive()
http://code.google.com/p/sympy/issues/detail?id=2308
You must be referring to http://en.wikipedia.org/wiki/Primitive_function.
I've never heard of that use of the word before you mentioned it. I don't
think it's commo
Updates:
Labels: NeedsReview
Comment #4 on issue 2385 by ronan.l...@gmail.com: Refactor Basic.sorted_key
http://code.google.com/p/sympy/issues/detail?id=2385
https://github.com/sympy/sympy/pull/326
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Updates:
Status: Started
Owner: matt...@gmail.com
Labels: NeedsReview Milestone-Release0.7.0
Comment #9 on issue 1592 by matt...@gmail.com: Pretty print Sum with a Sigma
http://code.google.com/p/sympy/issues/detail?id=1592
Pull request is here: https://github.com/sympy/sy
Comment #8 on issue 2308 by ronan.l...@gmail.com: Rename or refactor
Add.primitive()
http://code.google.com/p/sympy/issues/detail?id=2308
I never thought it was uncommon in English, but I'm not a native speaker.
Still,
http://www.google.com/search?client=ubuntu&channel=fs&q=%22the+primiti
Updates:
Summary: Should we rename primitive()? (and Expr.primitive() should call
primitive())
Cc: matt...@gmail.com
Comment #9 on issue 2308 by asmeurer: Should we rename primitive()? (and
Expr.primitive() should call primitive())
http://code.google.com/p/sympy/issues/detail?id=23
Updates:
Labels: -NeedsReview NeedsBetterPatch
Comment #10 on issue 2308 by asmeurer: Should we rename primitive()? (and
Expr.primitive() should call primitive())
http://code.google.com/p/sympy/issues/detail?id=2308
(No comment was entered for this change.)
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Comment #11 on issue 2308 by matt...@gmail.com: Should we rename
primitive()? (and Expr.primitive() should call primitive())
http://code.google.com/p/sympy/issues/detail?id=2308
a "primitive element" is (roughly) an element whose derivative (...)
We also have primitive_element() in SymPy,
Comment #12 on issue 2308 by asmeurer: Should we rename primitive()? (and
Expr.primitive() should call primitive())
http://code.google.com/p/sympy/issues/detail?id=2308
Yeah, that's what I was referring to when I said "like primitive element in
the sense of algebraic extensions."
Mateusz,
Status: Accepted
Owner: ronan.l...@gmail.com
Labels: Type-Defect Priority-High
New issue 2391 by ronan.l...@gmail.com: Factor out old-style assumptions
http://code.google.com/p/sympy/issues/detail?id=2391
Putting all the code defining old-style assumptions in one place will sever
the their tig
Status: Accepted
Owner: skr...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 2392 by skr...@gmail.com: Inconsistent solve behavior
http://code.google.com/p/sympy/issues/detail?id=2392
When solving a system of equations with variables with arguments the
response is not consistent with
Status: Accepted
Owner: skr...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 2393 by skr...@gmail.com: Sum error
http://code.google.com/p/sympy/issues/detail?id=2393
When defining a function that returns 1 for integers and 0 for everything
else the following sum fails:
In [1]: def
Comment #1 on issue 2392 by skr...@gmail.com: Inconsistent solve behavior
http://code.google.com/p/sympy/issues/detail?id=2392
The same happens when defining a as follows
a = symbols("a", cls=Function)
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Updates:
Status: Invalid
Comment #1 on issue 2393 by asmeurer: Sum error
http://code.google.com/p/sympy/issues/detail?id=2393
Well, you can't do symbolic manipulation with a Python function (or else we
wouldn't need SymPy!). The function just evaluates a(k) to 0, because k is
not an
Status: Accepted
Owner: skr...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 2394 by skr...@gmail.com: Inconsistent Binomial behavior
http://code.google.com/p/sympy/issues/detail?id=2394
These commands were executed:
from __future__ import division
from sympy import *
x, y, z, t = sym
Status: Accepted
Owner: skr...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 2395 by skr...@gmail.com: Factorial simplification
http://code.google.com/p/sympy/issues/detail?id=2395
These commands were executed:
from __future__ import division
from sympy import *
x, y, z, t = symbols('
Comment #2 on issue 2393 by skr...@gmail.com: Sum error
http://code.google.com/p/sympy/issues/detail?id=2393
Thanks for your answer.
I still have one related question, why did you say that k is not an integer
when it was defined as so:
k, m, n = symbols('k m n', integer=True)
I checked k.is
Comment #3 on issue 2393 by matt...@gmail.com: Sum error
http://code.google.com/p/sympy/issues/detail?id=2393
Because k.is_Integer is equivalent to isinstance(k, Integer), e.g.:
In [1]: var('k', integer=True)
Out[1]: k
In [2]: k.is_Integer # like isinstance
Out[2]: False
In [3]: k.is_integer
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