[sympy] New assumptions prototype

2013-10-04 Thread Aaron Meurer
Hi all. I got bored, so I spent this evening hacking together a proof of concept for the new assumptions system, based on my ideas from https://code.google.com/p/sympy/issues/detail?id=3929. The code is at https://github.com/sympy/sympy/pull/2508. Basically, I realised this summer when I was hack

Re: [sympy] CSymPy and mobile programming

2013-10-04 Thread Ondřej Čertík
On Thu, Oct 3, 2013 at 12:40 PM, Joachim Durchholz wrote: > Am 03.10.2013 17:04, schrieb Ondřej Čertík: >> >> On Thu, Oct 3, 2013 at 1:50 AM, Joachim Durchholz >> wrote: >>> >>> Am 03.10.2013 07:46, schrieb Ondřej Čertík: >> >> [...] > > Garbage management is a real issue in C++. >>>

[sympy] Re: 4th order tensor

2013-10-04 Thread Yuxiang Wang
Hi F. B., Thank you so much for your work! That'd be great to have. I have seen that a lot of work has been starting on the tensor analysis (herefor example), but it'd be nice to have a symbolic tool especially in this field. I use to write over 50+ page

Re: [sympy] OverflowError when converting PythonRational to int

2013-10-04 Thread Heiner Kirchhoffer
OK, I posted pull request #2499. https://github.com/sympy/sympy/pull/2499 Heiner Am Mittwoch, 2. Oktober 2013 17:14:16 UTC+2 schrieb Ondřej Čertík: > > On Wed, Oct 2, 2013 at 7:42 AM, Heiner Kirchhoffer > > wrote: > > I just realised that the this issue is related to pull request #2481 > > (h