Re: Issue 3063 in sympy: set() does not pretty print correctly

2012-04-24 Thread sympy
Updates: Status: Fixed Owner: julien.r...@gmail.com Labels: -NeedsReview Comment #3 on issue 3063 by julien.r...@gmail.com: set() does not pretty print correctly http://code.google.com/p/sympy/issues/detail?id=3063 (No comment was entered for this change.) -- You

Re: Issue 3240 in sympy: master test failure AttributeError: delete non-existing fortran attribute

2012-04-24 Thread sympy
Comment #1 on issue 3240 by smi...@gmail.com: master test failure AttributeError: delete non-existing fortran attribute http://code.google.com/p/sympy/issues/detail?id=3240 I would help, but there are no failures here when running 32-bit 2.7.1 (not 2.7.0) 2.6.6 and 2.5.4 tests (from the

Re: Issue 3240 in sympy: master test failure AttributeError: delete non-existing fortran attribute

2012-04-24 Thread sympy
Comment #2 on issue 3240 by julien.r...@gmail.com: master test failure AttributeError: delete non-existing fortran attribute http://code.google.com/p/sympy/issues/detail?id=3240 Right, it might not have anything to do with the particular python version but rather whether you have f2py

Re: Issue 3240 in sympy: master test failure AttributeError: delete non-existing fortran attribute

2012-04-24 Thread sympy
Comment #3 on issue 3240 by smi...@gmail.com: master test failure AttributeError: delete non-existing fortran attribute http://code.google.com/p/sympy/issues/detail?id=3240 OK, I see. In any case, the error traceback doesn't look too helpful in seeing a connection between anything I did and

Re: Issue 3240 in sympy: master test failure AttributeError: delete non-existing fortran attribute

2012-04-24 Thread sympy
Comment #4 on issue 3240 by julien.r...@gmail.com: master test failure AttributeError: delete non-existing fortran attribute http://code.google.com/p/sympy/issues/detail?id=3240 I couldn't track down why the failure occurs but it might have to do with bleed over from the core tests. --

Issue 3241 in sympy: Pretty printing in Mechanics

2012-04-24 Thread sympy
Status: Valid Owner: Labels: Type-Defect Priority-Low New issue 3241 by gilbertg...@gmail.com: Pretty printing in Mechanics http://code.google.com/p/sympy/issues/detail?id=3241 When printing a dynamicsymbol (really just an undefined function of t) which is in a Pow, mechanics pretty

Issue 3242 in sympy: combsimp and binomial coefficients

2012-04-24 Thread sympy
Status: Valid Owner: CC: ness...@gmail.com Labels: Type-Defect Priority-Medium Simplify Concrete New issue 3242 by asmeu...@gmail.com: combsimp and binomial coefficients http://code.google.com/p/sympy/issues/detail?id=3242 In [161]: summation( binomial(n,k)**2, (k,0,oo)) Out[161]: Γ(2⋅n +

Re: [sympy] Best practices for using virtualenv?

2012-04-24 Thread Joachim Durchholz
Am 23.04.2012 09:28, schrieb Aaron Meurer: On Sun, Apr 22, 2012 at 2:18 PM, Joachim Durchholzj...@durchholz.org wrote: Am 17.04.2012 18:41, schrieb Aaron Meurer: By the way, if you're just using virtualenv to run the tests and nothing else, Indeed. you should use tox, which does all of

Re: [sympy] GSoC Students Announced

2012-04-24 Thread Aaron Meurer
On Mon, Apr 23, 2012 at 4:12 PM, David Joyner wdjoy...@gmail.com wrote: On Mon, Apr 23, 2012 at 5:44 PM, Aaron Meurer asmeu...@gmail.com wrote: Hi everyone.  As many of you may have noticed, Google has announced the results for Google Summer of Code.  I am proud to announce that we got six

[sympy] summation in sympy

2012-04-24 Thread Kjetil brinchmann Halvorsen
I found the usefull summation function, which seems to work well (examples from todays version from git) In [30]: summation(1/k**2,(k,1,oo)) Out[30]: 2 π ── 6 In [31]: summation( (-1)**k * binomial(n,k), (k,0,n)) Out[31]: 0 But: In [32]: summation( binomial(n,k), (k,0,n)) Out[32]: n

Re: [sympy] summation in sympy

2012-04-24 Thread Tom Bachmann
I agree. Can you open an issue for this in our issue tracker (http://code.google.com/p/sympy/issues/list)? We can do hypergeometric series, which is why the summation() function is so powerful in the git master, but I think it's not recognizing this one as such because it's a finite sum (Tom,

Re: [sympy] summation in sympy

2012-04-24 Thread Aaron Meurer
On Tue, Apr 24, 2012 at 5:16 PM, Tom Bachmann e_mc...@web.de wrote: I agree. Can you open an issue for this in our issue tracker (http://code.google.com/p/sympy/issues/list)? We can do hypergeometric series, which is why the summation() function is so powerful in the git master, but I think

Re: [sympy] summation in sympy

2012-04-24 Thread Tom Bachmann
On 25.04.2012 00:20, Aaron Meurer wrote: On Tue, Apr 24, 2012 at 5:16 PM, Tom Bachmanne_mc...@web.de wrote: I agree. Can you open an issue for this in our issue tracker (http://code.google.com/p/sympy/issues/list)? We can do hypergeometric series, which is why the summation() function is so