asmeurer wants someone to pull from asmeurer:exponents:
Change the `^` to `**` for exponentiation in the main page examples.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/18
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fxkr wants someone to pull from fxkr:navbar-style:
This branch improves the style of the navigation bar at the top.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/17
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fxkr wants someone to pull from fxkr:rebuild-pages:
During one of the previous merges no rebuild was done, so right now index.html
doesn't have the bullet style change.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/16
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smichr wants someone to pull from smichr:2185:
fixes for issues identified in [
http://groups.google.com/group/sympy/browse_thread/thread/75e9c019e3e38328 ]
View Pull Request: https://github.com/sympy/sympy/pull/113
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ellisonbg wants someone to pull from ellisonbg:gatecommutator:
Lots of work on gates related to commutation relations, sorting, simplifying.
I have also added logic for creating random quantum circuits.
View Pull Request: https://github.com/sympy/sympy/pull/112
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vks wants someone to pull from vks:modules:
Small update.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/15
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vks wants someone to pull from vks:logo:
I moved the logo to the top bar and replaced it with a proper transparent logo.
Please let me know what you think.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/14
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vks wants someone to pull from vks:nobox:
I did not like the use of boxes, so I removed/moved the concerned information
where I think it is more appropriate.
Also slightly improved formatting.
View Pull Request: https://github.com/sympy/sympy.github.com/pull/13
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fxkr wants someone to pull from fxkr:copyright-2011:
View Pull Request: https://github.com/sympy/sympy.github.com/pull/12
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fxkr wants someone to pull from fxkr:quicklinks-bullet-style:
Oops, my previous pull request[1] only changed the compiled index page. This
commit does exactly the same change but for the template.
Sorry.
[1] https://github.com/sympy/sympy.github.com/pull/10
View Pull Request: https://github.c
fxkr wants someone to pull from fxkr:quicklinks-bullet-style:
Add bullets to quicklinks box on index page
View Pull Request: https://github.com/sympy/sympy.github.com/pull/10
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ellisonbg wants someone to pull from ellisonbg:qubitfixes:
Removing old code from qubit.py that had missing symbols.
View Pull Request: https://github.com/sympy/sympy/pull/111
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aterrel wants someone to pull from aterrel:piecewise_improvements:
Fixes issue 1950, improvements from comments on issue 2128
View Pull Request: https://github.com/sympy/sympy/pull/110
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aterrel wants someone to pull from
aterrel:560ec7b81c7672005fc9aef771166e57516a395e:
View Pull Request: https://github.com/sympy/sympy/pull/109
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plaes wants someone to pull from plaes:audit-fixes:
Bunch of auditing fixes (brought to you by pyflakes).
PS. Quantum guys should look into adding tests that expose issues on following
code paths:
sympy/physics/quantum/qubit.py:690: undefined name 'Qbit'
sympy/physics/quantum/qubit.py:693: undef
plaes wants someone to pull from plaes:setuptools:
Use setuptools that allows specifying dependencies in setup.py.
View Pull Request: https://github.com/sympy/sympy/pull/107
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ellisonbg wants someone to pull from ellisonbg:importfix:
This fixes a silly bug that was causing the test suite to fail if scipy or
numpy as not installed. There were a few spots in matrixcache that were not
protecting against ImportErrors. These are not fixed.
View Pull Request: https://git
ellisonbg wants someone to pull from ellisonbg:quantumfixes:
Minors fixes to the pretty/latex printing of inner products and bra/kets. I
have cleaned up the printing code a bit and have added tests as well.
View Pull Request: https://github.com/sympy/sympy/pull/105
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saptman wants someone to pull from saptman:dev_ide:
Fixed and a couple of methods implemented
View Pull Request: https://github.com/sympy/sympy/pull/104
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ellisonbg wants someone to pull from ellisonbg:swapgate:
Implement represent for SWAP gates using the expression:
SWAP = |1><1|x|1><1| + |0><0|x|0><0| + |1><0|x|0><1| + |0><1|x|1><0|
This allowed me to add tests for the decomposition of SWAP (as 3 CNOT) and QFT.
View Pull Request: https://git
rlamy wants someone to pull from rlamy:function-cleanup:
These are a few changes related to sympy/core/functions.py.
The only notable changes are:
* Remove vectorization of Functions, so that sin([x, y]) raises instead of
returning [sin(x), sin(y)].
* Split off "undefined functions" into their o
ellisonbg wants someone to pull from ellisonbg:exppower:
This branch fixes non-commutative exponentiation rules in sympy. Previously:
exp(A)*exp(B) == exp(A+B) for non commutative A and B in sympy. Now:
exp(A)*exp(B) != exp(A+B). Tests have been added.
View Pull Request: https://github.com/s
ellisonbg wants someone to pull from ellisonbg:novalidate:
This branch is the culmination of 9 months of work covering Matt and Addison's
GSoC projects, as well as a huge amount of work beyond that. The history of
this branch is quite complex and rebasing won't work. We also don't want to
loo
saptman wants someone to pull from saptman:integral_equation_dev:
Please ignore the commit from 5 days back.
The classifier had some bugs in it but they have been ironed out. Currently
working on the solver routines.
View Pull Request: https://github.com/sympy/sympy/pull/99
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rlamy wants someone to pull from rlamy:polys12-reviewed:
These are the commits from Mateusz's branch polys12 (see (issue
2133)[http://code.google.com/p/sympy/issues/detail?id=2133] that I have
reviewed positively so far.
View Pull Request: https://github.com/sympy/sympy/pull/98
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certik wants someone to pull from certik:e_dirac_c:
This makes it possible to set the constant to the exact value used in some
electronic structure code, so that exact numbers can be compared. As a side
effect, by setting it to integers, exact expressions can be tested to make sure
the relativi
rlamy wants someone to pull from rlamy:pypy-runtests:
These simple fixes allow PyPy to run the test suite. A lot more work will be
required to make it pass, but at least it's a start.
View Pull Request: https://github.com/sympy/sympy/pull/96
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jegerjensen wants someone to pull from jegerjensen:nowrap2:
This patch fixes Issue 2059, and nothing more.
The practical benefit is that, in order to use Idx objects as indices, they
must be constructed explicitly. Before, an integer symbol would be silently
converted to Idx by the Indexed con
smichr wants someone to pull from smichr:2161:
This is part of the fix for issue 835.
View Pull Request: https://github.com/sympy/sympy/pull/94
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smichr wants someone to pull from smichr:int:
see [ http://code.google.com/p/sympy/issues/detail?id=2159 ]
View Pull Request: https://github.com/sympy/sympy/pull/93
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smichr wants someone to pull from smichr:nsimplify:
see [ http://code.google.com/p/sympy/issues/detail?id=2158 ]
very short review.
View Pull Request: https://github.com/sympy/sympy/pull/92
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smichr wants someone to pull from smichr:2130:
see [ http://code.google.com/p/sympy/issues/detail?id=2130 ]
>>> limit((1+y)**(1/y), y, 0)
E
>>> limit((1+y)**(1/y) - E, y, 0) # used to be 1 - E
0
View Pull Request: https://github.com/sympy/sympy/pull/91
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smichr wants someone to pull from smichr:2000:
View Pull Request: https://github.com/sympy/sympy/pull/90
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smichr wants someone to pull from smichr:raises:
Instead of this:
h[1] >>> raises('1/0', ValueError)
Traceback (most recent call last):
File "", line 1, in
File "sympy\utilities\pytest.py", line 41, in raises
assert isinstance(code, str)
AssertionError
we now get
smichr wants someone to pull from smichr:pprintSum:
alpha version of work started at [
http://code.google.com/p/sympy/issues/list?cursor=1592 ].
View Pull Request: https://github.com/sympy/sympy/pull/88
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smichr wants someone to pull from smichr:1694:
This is a pull request for discussion of commits prefixed with 1694 (last two
right now). These are commits to make the solver more robust (fewer
NotImplemented errors) and accurate since results are tested. The focus of
these is on solving the sin
asmeurer wants someone to pull from asmeurer:python2.4-doctest:
The commit from [pull request 49](https://github.com/sympy/sympy/pull/49)
created some doctest failures in Python 2.4:
/users/aaronmeurer/d
jegerjensen wants someone to pull from jegerjensen:fix_doctests3:
This patch rewrites the doctests that turned out to be hash dependent in
current master. In addition, I discovered and fixed another docstring that was
hash dependent.
View Pull Request: https://github.com/sympy/sympy/pull/85
-
smichr wants someone to pull from smichr:2153:
see http://code.google.com/p/sympy/issues/detail?id=2153 and commit message
View Pull Request: https://github.com/sympy/sympy/pull/84
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smichr wants someone to pull from smichr:2027:
In a product of bases raised to the same power, a**x*b**x *...,
you can only combine bases that are positive if x is not an integer.
Also, a**(2*x) == (a**x)**2 but not vice versa unless a is positive
or x is an integer. Consider (-1)**(2*1/2) = (s
smichr wants someone to pull from smichr:2005:
Small correction of a logical error. By roundtripping the complex substitution
you can see the error manifested:
In master:
h[1] >>> (x**(2*y)).subs(exp(3*y*log(x)), z)
z**(3/2)
h[2] >>> _.subs(z, exp(3*y*log(x)))
exp(9*y*log(x)/2)
jegerjensen wants someone to pull from jegerjensen:nowrap:
These patches fixes http://code.google.com/p/sympy/issues/detail?id=2059";>Issue 2059.
The fix also opens the door for indexed expressions without implicit summation.
The second patch makes sure that this behavior is available, simply b
jegerjensen wants someone to pull from jegerjensen:fix_doctest2:
This patch skips the hash dependent doctest that Aaron discovered here
http://code.google.com/p/sympy/issues/detail?id=2141
In addition another hash dep. doctest is skipped, and two misleading doctests
were removed.
View Pull Req
asmeurer wants someone to pull from asmeurer:Abs:
See the [issue page](http://code.google.com/p/sympy/issues/detail?id=1727).
View Pull Request: https://github.com/sympy/sympy/pull/79
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asmeurer wants someone to pull from asmeurer:summation:
Rename sum() to summation()
This is because it conflicts with the builtin sum(). See issue 1376 and
issue 1727.
I also took the opportunity to fix Sum() so that it always remains
unevaluated by default and so that it and summation always r
asmeurer wants someone to pull from asmeurer:imports2:
This is an improved patch over https://github.com/sympy/sympy/pull/58.
View Pull Request: https://github.com/sympy/sympy/pull/77
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smichr wants someone to pull from smichr:1729:
Very small modification to mul.py that avoids an infinite recursion which,
strangely, doesn't occur in 2.6 because the lines were not being traversed by
the offending statement for unknown reasons.
View Pull Request: https://github.com/sympy/sympy/
asmeurer wants someone to pull from asmeurer:1379:
See [the issue page](http://code.google.com/p/sympy/issues/detail?id=1379).
Should we also keep importing raises? I noticed that there too in
`utilities/__init__.py`.
View Pull Request: https://github.com/sympy/sympy/pull/75
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asmeurer wants someone to pull from asmeurer:copyright:
This changes the copyright year everywhere to 2011, including a place where it
hasn't been changed in a while.
I am adding this here instead of just pushing it in for bookkeeping reasons.
By the way, what's up with the `conf.py` file in
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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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:/
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: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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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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asmeurer wants someone to pull from asmeurer:property_doctests:
See the [issue page](http://code.google.com/p/sympy/issues/detail?id=1947) for
more information on the fix.
View Pull Request: https://github.com/sympy/sympy/pull/68
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asmeurer wants someone to pull from asmeurer:exprsphinx:
See http://code.google.com/p/sympy/issues/detail?id=1945.
View Pull Request: https://github.com/sympy/sympy/pull/67
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smichr wants someone to pull from smichr:2139:
Fixes func expansion of polygamma and makes _new_rawargs play nicely with sympy
expressions involving atoms.
View Pull Request: https://github.com/sympy/sympy/pull/66
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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
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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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/
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
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
asmeurer wants someone to pull from asmeurer:python24:
See [issue 2135](http://code.google.com/p/sympy/issues/detail?id=2135). This
adds a warning to `sympy/__init__.py`, so that any time you run Python 2.4 and
import sympy, you see:
Python 2.4.4 (#1, Oct 18 2006, 10:34:39)
[GCC 4.0.
asmeurer wants someone to pull from asmeurer:sysfix:
While fixing [issue
2135](http://code.google.com/p/sympy/issues/detail?id=2135), I noticed that
`sys` was being imported into the global namespace because it was being
imported in `utilities/__init__.py` to check the Python version (to see if
asmeurer wants someone to pull from asmeurer:imports:
See [this mailing list
thread](http://groups.google.com/group/sympy/browse_thread/thread/f471ea9a8d3ef041).
Some questions/concerns:
- What is the purpose of the bottom imports (imports at the bottom of the file)
in some of the sympy/cor
asmeurer wants someone to pull from asmeurer:colortests:
How do people feel about this change? It basically makes the `.`, `F`, `f`,
etc. that are printed by the test runner so that they are printed in color:
red if it is a failure and green otherwise. This makes it much easier to pick
out f
smichr wants someone to pull from smichr:1837:
These are some relationships for powers involving 0 as a base
that were not present in the previous tests.
View Pull Request: https://github.com/sympy/sympy/pull/56
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smichr wants someone to pull from smichr:1963:
In 1963 changes to core/power are made to get it to work a little harder to do
something with a fractional base and to not combine an integer with an
exponent. In 1731 some unification to fraction and as_numer_denom is attempted.
They still do two
smichr wants someone to pull from smichr:2049b:
View Pull Request: https://github.com/sympy/sympy/pull/54
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smichr wants someone to pull from smichr:1804etc:
This introduces noncommutative handling to coeff, as_coefficient, and
as_independent. It is blocked on 1980 which is included here for testing
purposes, but only the last two commits need be considered here.
View Pull Request: https://github.com
smichr wants someone to pull from smichr:1980:
The performance of has() is upgraded in this branch; duplicating code was
removed. This, rather than inspecting atoms, is the faster method to use to see
if something has something else.
View Pull Request: https://github.com/sympy/sympy/pull/52
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smichr wants someone to pull from smichr:1980:
has() has been optimized and defaults to has_any.
all tests pass here and all lines (except the legacy handling of iterables that
maybe encountered) are covered.
View Pull Request: https://github.com/sympy/sympy/pull/51
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smichr wants someone to pull from smichr:1917:
These are code clean-up edits that would be great to get in before 0.7. Most
are just a line or two in a given file so it isn't heavy reviewing. The good
news is that with these changes there will be 31 less lines to review in the
future.
26 file
smichr wants someone to pull from smichr:doctest:
Doctests that had bad formatting (i.e. were not triple quote or blank line
terminated) now flag an error during doctests. This identified a problem with
an existing doctest that was corrected.
View Pull Request: https://github.com/sympy/sympy/pu
smichr wants someone to pull from smichr:2124:
There are several issues related to series that are fixed with this commit.
Although changes span many files they are mostly just changes of the arguments
to the function.
View Pull Request: https://github.com/sympy/sympy/pull/48
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certik wants someone to pull from certik:doc2:
Shows numpy usage.
View Pull Request: https://github.com/sympy/sympy/pull/47
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T
asmeurer wants someone to pull from asmeurer:t_symbol:
Add t to the default list of symbols in isympy. See [issue
2121](http://code.google.com/p/sympy/issues/detail?id=2121).
View Pull Request: https://github.com/sympy/sympy/pull/46
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asmeurer wants someone to pull from asmeurer:make_args_fix:
Replace the longer version of the idiom with `Add.make_args(expr)` somewhere in
`exp.eval()`.
View Pull Request: https://github.com/sympy/sympy/pull/45
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smichr wants someone to pull from smichr:integral_issues:
These commits fix a variety of issues with integral limits and some integral
methods that require special handling.
View Pull Request: https://github.com/sympy/sympy/pull/44
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smichr wants someone to pull from
smichr:389881c9e019c54a152e61b4aef41febf5535167:
I'm just trying to clear out work on my end...if Nicolas sends in a pull
request for the same issue I don't care which one goes in as long as they
accomplish the same thing.
View Pull Request: https://github.com
smichr wants someone to pull from smichr:1862:
Just a couple of things that shouldn't get forgotten when the new polys arrives.
View Pull Request: https://github.com/sympy/sympy/pull/42
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smichr wants someone to pull from smichr:1926:
This has already passed review. The last objection was that there was no test,
but I pointed out in issue 1926 , comment #9 that the code is being traversed
by existing tests.
View Pull Request: https://github.com/sympy/sympy/pull/41
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smichr wants someone to pull from smichr:1978:
This commit allows one to skip the distribution of a constant over an Add (so
2*(1+x) can be returned rather than 2+2*x). This commit does not use the
evaluate=False approach.
View Pull Request: https://github.com/sympy/sympy/pull/40
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smichr wants someone to pull from smichr:2114:
WIth this commit, 1) foo.make_args() will always return the args of the
expression and not return the null tuple when the expression is the class
identity. 2) as_Pow has been replaced with as_base_exp.
View Pull Request: https://github.com/sympy/sy
vks wants someone to pull from vks:jn:
This uses a "better" method for calculating roots of the spherical bessel
function, relying on mpmath's native tools. It should replace method='sympy',
when mpmath in sympy gets upgraded.
View Pull Request: https://github.com/sympy/sympy/pull/38
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vks wants someone to pull from vks:tsolve-test:
Please review this, it is critical and easy to review.
View Pull Request: https://github.com/sympy/sympy/pull/37
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fxkr wants someone to pull from fxkr:issue1265:
The issue was fixed a while ago so here are some tests. Should be trivial to
review.
If you push this in please also close #1265.
View Pull Request: https://github.com/sympy/sympy/pull/36
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smichr wants someone to pull from smichr:sympify_fractions:
This patch allows sympy to handle fractions.Fraction instances as Rational
rather than float.
View Pull Request: https://github.com/sympy/sympy/pull/35
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jegerjensen wants someone to pull from jegerjensen:fix_secondquant6:
These patches are my response to Ronan and Ondrej's comments in pull request
https://github.com/sympy/sympy/pull/32
I have however NOT adressed the following of Ronan's remarks:
- wicks() should not accept any of the keyword
markdewing wants someone to pull from markdewing:mathml-relational:
Add MathML output for the relational operators.
View Pull Request: https://github.com/sympy/sympy/pull/33
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jegerjensen wants someone to pull from jegerjensen:fix_secondquant5:
This set of patches gives the following improvements:
- much improved dummy index canonization: It will always succeed, except in a
well defined case that can be implemented later.
- significant speedup: Coupled Cluster examp
rlamy wants someone to pull from rlamy:make_args:
This replaces make_list and Expr.as_Add, Expr.as_Mul methods by make_args
classmethods defined for al operations. See [issue
1915](http://code.google.com/p/sympy/issues/detail?id=1915) for previous
discussions.
View Pull Request: https://githu
rlamy wants someone to pull from rlamy:imports:
Following discussion on the ML, this prevents testing utilities from being
automatically imported when running 'import sympy'
View Pull Request: https://github.com/sympy/sympy/pull/30
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smichr wants someone to pull from smichr:2084:
These commits fix errors with evaluating limits from the negative direction
(see issue 2084).
View Pull Request: https://github.com/sympy/sympy/pull/29
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smichr wants someone to pull from smichr:2003:
Just sending a new pull request after having reforked from sympy rather than
ondrej's repo.
View Pull Request: https://github.com/sympy/sympy/pull/28
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smichr wants someone to pull from smichr:2092:
A fix to uncovered and potentially broken code was made and a re-writing of the
solve4linear symbols function as described in the commit message. (This
function will be of use in solving systems of equations where most of the
equations are linear.
smichr wants someone to pull from smichr:2095:
solutions to x**4 + x**3 + x**2 - 3*x + 9 will be correct after applying this
patch:
Master:
h[5] >>> eq = x**4 + x**3 + x**2 - 3*x + 9
h[5] >>> [eq.subs(x, a).n(1) for a in solve(x**4 + x**3 + x**2 - 3*x + 9)]
[-5.0 - 9.0*I, -5.0 + 9.0*I, 8.0 + 6.0
smichr wants someone to pull from smichr:2080:
small patch to previously uncovered and broken code.
View Pull Request: https://github.com/sympy/sympy/pull/25
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smichr wants someone to pull from smichr:subsets:
For ease of use, subsets(seq) will now yield all 2**n - 1 subsets of length 1
through len(seq) for the iterable given to subsets:
subsets([1,2]) -> [1], [2], [1,2]
Previously one would have to set up a loop to do this.
Should the null set [] be
smichr wants someone to pull from smichr:1923:
These are the modifications of count ops to make it more usable, especially for
issue 1694.
One question I have is about whether there should be a count_ops in basic. It
never gets called. Ronan is probably the best person to answer this, but if
a
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