Re: Issue 3760 in sympy: unskip doctests which output floats

2013-04-28 Thread sympy
Comment #2 on issue 3760 by t.hi...@gmail.com: unskip doctests which output floats http://code.google.com/p/sympy/issues/detail?id=3760 see https://github.com/sympy/sympy/pull/2051 -- You received this message because this project is configured to send all issue notifications to this

Re: Issue 3781 in sympy: String printer for factorial/subfactorial shouldn't be a pretty-printer!

2013-04-28 Thread sympy
Comment #6 on issue 3781 by skirpic...@gmail.com: String printer for factorial/subfactorial shouldn't be a pretty-printer! http://code.google.com/p/sympy/issues/detail?id=3781 It was issue 2889. Sorry, I don't see the discussion. I agree that n! doesn't belong in the str printer. It

Re: Issue 3781 in sympy: String printer for factorial/subfactorial shouldn't be a pretty-printer!

2013-04-28 Thread sympy
Updates: Labels: Parsing Comment #7 on issue 3781 by asmeu...@gmail.com: String printer for factorial/subfactorial shouldn't be a pretty-printer! http://code.google.com/p/sympy/issues/detail?id=3781 I'm open to the change. We need to think more about parsing and sympify's place in

Issue 3784 in sympy: finite field numbers sympify to normal numbers

2013-04-28 Thread sympy
Status: Valid Owner: Labels: Type-Defect Priority-Medium Parsing Matrices Polynomial New issue 3784 by asmeu...@gmail.com: finite field numbers sympify to normal numbers http://code.google.com/p/sympy/issues/detail?id=3784 In [168]: sympify(FF(2)(1)) Out[168]: 1 This is making it

Re: Issue 3721 in sympy: solve should handle more than one abs

2013-04-28 Thread sympy
Comment #6 on issue 3721 by asmeu...@gmail.com: solve should handle more than one abs http://code.google.com/p/sympy/issues/detail?id=3721 That was merged. Should this be closed? -- You received this message because this project is configured to send all issue notifications to this

Re: Issue 3721 in sympy: solve should handle more than one abs

2013-04-28 Thread sympy
Comment #7 on issue 3721 by smi...@gmail.com: solve should handle more than one abs http://code.google.com/p/sympy/issues/detail?id=3721 https://github.com/sympy/sympy/pull/1964 -- You received this message because this project is configured to send all issue notifications to this

Re: Issue 3722 in sympy: solve can try split equation into real and imaginary parts

2013-04-28 Thread sympy
Comment #3 on issue 3722 by smi...@gmail.com: solve can try split equation into real and imaginary parts http://code.google.com/p/sympy/issues/detail?id=3722 https://github.com/sympy/sympy/pull/1964 -- You received this message because this project is configured to send all issue

Re: Issue 3149 in sympy: solve() could attempt logcombine when looking for solutions

2013-04-28 Thread sympy
Updates: Labels: NeedsReview smichr Comment #8 on issue 3149 by smi...@gmail.com: solve() could attempt logcombine when looking for solutions http://code.google.com/p/sympy/issues/detail?id=3149 (No comment was entered for this change.) -- You received this message because this

Re: Issue 3743 in sympy: dummy_eq fails with Sum

2013-04-28 Thread sympy
Comment #4 on issue 3743 by asmeu...@gmail.com: dummy_eq fails with Sum http://code.google.com/p/sympy/issues/detail?id=3743 Is it because it is checking free_symbols instead of .atoms(Symbol)? -- You received this message because this project is configured to send all issue notifications to

Re: Issue 3743 in sympy: dummy_eq fails with Sum

2013-04-28 Thread sympy
Updates: Labels: EasyToFix Comment #5 on issue 3743 by smi...@gmail.com: dummy_eq fails with Sum http://code.google.com/p/sympy/issues/detail?id=3743 I think this will work def dummy_eq(self, other): Compare two expressions and handle dummy symbols.

Re: Issue 3743 in sympy: dummy_eq fails with Sum

2013-04-28 Thread sympy
Comment #6 on issue 3743 by asmeu...@gmail.com: dummy_eq fails with Sum http://code.google.com/p/sympy/issues/detail?id=3743 What's wrong with atoms(Symbol)? -- You received this message because this project is configured to send all issue notifications to this address. You may adjust your

[sympy] Re: Google+ Hangouts

2013-04-28 Thread Prasoon Shukla
+1 from me for the most part. Just one problem is there though. Since there will be participants not from the US, there will be problems with the internet connectivity/speed issues. As an example, the internet is quite slow in here in India. It doesn't matter if you have a high speed

[sympy] Re: Google+ Hangouts

2013-04-28 Thread Saurabh Jha
I think that's a great idea. The only problem can be that different people here are in different time zones. But still, I think it's a great idea for runtime communication along with irc -- You received this message because you are subscribed to the Google Groups sympy group. To unsubscribe

[sympy] Introduction and a possible project

2013-04-28 Thread Saurav Gupta
Hi, this is Saurav, a sophomore in Department of Electrical Engineering at IIT Delhi. I am open to either implementing the Karr algorithm or something in quantum mechanics. How do I get started? -- You received this message because you are subscribed to the Google Groups sympy group. To

Re: [sympy] sympy.nsolve seems to solve system of non linear equations incorrectly

2013-04-28 Thread Pushpak Dagade
Thanks a lot chris for your timely help! I hope this helps me out in my work ahead. On Friday, 26 April 2013 01:44:21 UTC+5:30, smichr wrote: Your tolerance is too high so you are not as close to the roots as you would like to be. Also, whenever there is a denominator, it is better to get

[sympy] Diophantine Equations Module

2013-04-28 Thread Thilina Rathnayake
Hi, I would like to implement a Diophantine equations module for Sympy. You can find my pull request here https://github.com/sympy/sympy/pull/2024. It's still not merged. I hope to solve following classical Diophantine equations. All the variables used here are integers unless otherwise stated.

Re: [sympy] GSoC 2013: Error-correcting codes

2013-04-28 Thread Aaron Meurer
I don't know (it depends on how much work Matuesz does). A contingency would be to find suitable work-arounds. Note that even the cyclic finite fields also need a lot of work. For example, they are currently not instances of Basic, meaning that just doing Matrix([[FF(2)(1)]]) does not work

[sympy] Diophantine Equations Module

2013-04-28 Thread Thilina Rathnayake
Hi, I would like to implement a Diophantine equations module for Sympy. You can find my pull request here https://github.com/sympy/sympy/pull/2024. It's still not merged. I hope to solve following classical Diophantine equations. All the variables and constants used here are integers. 1)*

Re: [sympy] Diophantine Equations Module

2013-04-28 Thread Aaron Meurer
Just to be clear, is this for GSoC, or is this just something that you want to implement on your own? On Sun, Apr 28, 2013 at 2:07 PM, Thilina Rathnayake thilina.r...@gmail.com wrote: Hi, I would like to implement a Diophantine equations module for Sympy. You can find my pull request here. It's

[sympy] Re: GSoC 2013: Univariate polynomials over algebraic domains

2013-04-28 Thread Katja Sophie Hotz
I just finished a first version of my GSoC application. As it turned out, some of the stuff I wanted to do is already implemented, so I changed the direction of my proposal a bit. The new title is Faster Algorithms for Polynomials over Algebraic Number

Re: [sympy] Introduction and a possible project

2013-04-28 Thread Stefan Krastanov
Hi, Check our github wiki pages for GSoC 2013 information. Be aware that we require all applicants to submit a patch on github (to gauge their abilities with python and git). On 28 April 2013 10:06, Saurav Gupta sauravgupt...@gmail.com wrote: Hi, this is Saurav, a sophomore in Department of

[sympy] Re: Introduction and a possible project

2013-04-28 Thread Saurabh Jha
Hi Saurav, You may find this discussion helpful http://groups.google.com/group/sympy/browse_thread/thread/fbbb7effcaf92fe4/c6f6d9c1a4543507?lnk=gstq=Karr+algorithm+Saurabh+Jha#c6f6d9c1a4543507 Also, I would advice to get started with fulfilling patch requirement, check application template on

[sympy] Lie algebras GSOC application

2013-04-28 Thread Mary Clark
Hi all, I've written up a preliminary version of my application: https://github.com/sympy/sympy/wiki/GSOC-2013-Application-Mary-Clark:-Lie-Algebras Any comments/suggestions/etc would be welcome. Mary -- You received this message because you are subscribed to the Google Groups sympy group. To

[sympy] GSoC 2013: Equation editor

2013-04-28 Thread Alexander Gudulin
Hi everybody, My name is Alexander Gudulin, I am a second year student at Saint Petersburg State University, Russia. I'm interested in solving Equation editor problem. Wiki says it would be great to discuss this idea with you guys. Have you got any additional thoughts about the problem or

Re: [sympy] Re: GSoC 2013: Univariate polynomials over algebraic domains

2013-04-28 Thread Aaron Meurer
Don't forget to submit this in Melange. Aaron Meurer On Sun, Apr 28, 2013 at 2:27 PM, Katja Sophie Hotz katja.sophie.h...@student.tuwien.ac.at wrote: I just finished a first version of my GSoC application. As it turned out, some of the stuff I wanted to do is already implemented, so I changed

Re: [sympy] Lie algebras GSOC application

2013-04-28 Thread Aaron Meurer
Don't forget to submit it in Melange. Aaron Meurer On Sun, Apr 28, 2013 at 2:38 PM, Mary Clark mary.spritel...@gmail.com wrote: Hi all, I've written up a preliminary version of my application: https://github.com/sympy/sympy/wiki/GSOC-2013-Application-Mary-Clark:-Lie-Algebras Any

Re: [sympy] Re: GSoC 2013: Univariate polynomials over algebraic domains

2013-04-28 Thread David Joyner
On Sun, Apr 28, 2013 at 4:27 PM, Katja Sophie Hotz katja.sophie.h...@student.tuwien.ac.at wrote: I just finished a first version of my GSoC application. As it turned out, some of the stuff I wanted to do is already implemented, so I changed the direction of my proposal a bit. The new title

Re: [sympy] Re: GSoC 2013: Univariate polynomials over algebraic domains

2013-04-28 Thread Aaron Meurer
Algorithms like factor can handle algebraic numbers using the extension flag In [182]: factor(x**2 + 1, extension=[I]) Out[182]: (x - ⅈ)⋅(x + ⅈ) In general, algebraic numbers can be slow, because minpoly is slow (this is being fixed at https://github.com/sympy/sympy/pull/2038). I think multiple

[sympy] Re: Lie algebras GSOC application

2013-04-28 Thread Prasoon Shukla
You should also add a link to your application here: https://github.com/sympy/sympy/wiki/GSoC-2013-Current-Applications -- 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] Re: GSoC 2013: Univariate polynomials over algebraic domains

2013-04-28 Thread Katja Sophie Hotz
As far as I know, the modular gcd algorithm and the factorization algorithm from my proposal can be extended to algebraic function fields, but I don't think there will be enough time to go that far in one summer. -- You received this message because you are subscribed to the Google Groups

Re: [sympy] GSoC 2013: Equation editor

2013-04-28 Thread Aaron Meurer
It's fairly open ended, in that you'll need to come up with most of it yourself (we haven't thought too hard about it). You should probably focus on the IPython notebook. Aaron Meurer On Sun, Apr 28, 2013 at 2:40 PM, Alexander Gudulin alexandr.gudu...@gmail.com wrote: Hi everybody, My name is

Re: [sympy] GSoC 2013: Equation editor

2013-04-28 Thread Chris Smith
I wonder if the desmos editor could be used to do this. Perhaps code that communicates between sympy and a web page? https://www.desmos.com/frontpage?utm_expid=43664205-2 -- You received this message because you are subscribed to the Google Groups sympy group. To unsubscribe from this group

Re: [sympy] Diophantine Equations Module

2013-04-28 Thread Thilina Rathnayake
Thanks Aaron for your reply. I am proposing this as a GSoC project. Sorry, I didn't mention it earlier. However, even if this is not accepted as a GSoC project, I would like to work on this. The two n's are different. I should have used distinct letters instead of the n's. Sorry for the

Re: [sympy] GSoC 2013: Equation editor

2013-04-28 Thread Aaron Meurer
Maybe I missed it, but can that even be used as a library? It looks like it is all closed source, and stuck within its own ecosystem. But I agree that if you can find an already existing equation editor that can be hooked up to SymPy that that would be a good alternative to writing one from