Re: [sympy] Quick question about sympify variables

2014-12-29 Thread Jason Moore
Andy, The period is an invalid character for Python variables. The period is reserved for accessing attributes and methods of Python objects. Jason moorepants.info +01 530-601-9791 On Mon, Dec 29, 2014 at 5:48 PM, Andrew Spielberg wrote: > Hi guys, > > I have a variable with a period in it (s

Re: [sympy] Re: GSoC 2015 ideas

2014-12-29 Thread Aaron Meurer
I don't see any on the ideas list, but I'm sure there are things that can be done. One suggestion for a starting point would be to look at finishing https://github.com/sympy/sympy/pull/2209 (there are also some other ideas for future work in that pull request and the associated issues). I would als

Re: [sympy] Strange round behavior

2014-12-29 Thread Duane Nykamp
More strange round behavior, this time with negative numbers. In [1]: S(123.6).round(0) Out[1]: 124. In [2]: S(-123.6).round(0) Out[2]: -123. In [3]: S(-123.7).round(0) Out[3]: -124. The rounding up behavior seems to occur between 6 and 7. This isn't a precision/binary representation issue as

[sympy] Quick question about sympify variables

2014-12-29 Thread Andrew Spielberg
Hi guys, I have a variable with a period in it (say, 'base.length'). I now wish to sympify an expression, say: 2*base.length This throws an exception, AttributeError: 'Symbol' object has no attribute 'length' due to the period. Is there a way I can have the sympify read the dot as just part

[sympy] About GSoC 2015

2014-12-29 Thread Nicolás DP
Hello, I am interested in participating in GSoC 2015. I have some questions, though: I have some ideas in mind that might be in the Sympy's scope. Should I write my proposal and submit it directly? If I have two proposals done, can I submit both? Thanks! Best regards, Nicolás -- You received t

[sympy] Re: GSoC 2015 ideas

2014-12-29 Thread Ashwin Ganesh
Are there any projects / Ideas in the field of Number Theory which has to be implemented ? -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegro

Re: [sympy] Group Theory module for sympy ( GSoC 2015 )

2014-12-29 Thread vamsi kaushik
Hi Aaron, I would like to start off by implementing Finitely presented groups in sympy. They and any other work in group theory like the Galios group, Lie group will be subclassed from the generic group class that I would implement first. So the properties of group would be - is_finite -