[sympy] Re: GSoC 2013 Idea - Find Domain / Range / Continuity / Singularity of a Function

I think this functionality would be really useful. Other interesting points are discontinuity and critical points where derivative/gradient is 0. With this we could easily add to SymPy functions to find maxima and minima points for a function. On Friday, May 3, 2013 2:59:58 AM UTC+2, Paanini Na

[sympy] Re: GSoC 2013 Idea - Find Domain / Range / Continuity / Singularity of a Function

We might try to a rule based system to determine the points of possible discontinuity. For example the poles can occur only on roots of f(x) for a given function log(f(x)), and roots of g(x) if the given function is f(x)/g(x) and for all those points we might test the continuity using limits. F

[sympy] Re: GSoC 2013 Idea - Find Domain / Range / Continuity / Singularity of a Function

Just off the top of my head, would checking the limit of the function at the point of dispute do? For instance, >>> a = limit(log(x), x, 0) gives - oo -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving e

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

I was unsure how the two algorithms compare, this is why I didn't include the integer polynomial case in my proposal. But it would be great to also work on this case. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and s

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

It would also be interesting to have a faster factorization algorithm for integer polynomials. Currently the Zassenhaus method is used; the van Hoeij algorithm is faster. A faster factorization algorithm would be useful e.g. in computing the minimal polynomials; there are cases in which minpoly s

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

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 "sym

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

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 e

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

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 ti

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

Don't forget to submit this in Melange. Aaron Meurer On Sun, Apr 28, 2013 at 2:27 PM, Katja Sophie Hotz 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.

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

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 Fields

Re: [sympy] Re: GSoC 2013 Application - Improved ODE Solver.

I've updated my proposal on melange. http://www.google-melange.com/gsoc/proposal/review/google/gsoc2013/manojkumar/1 On Tue, Apr 2, 2013 at 8:32 PM, Manoj Kumar wrote: > I've made a few changes in my proposal, focussing a bit more on the > implementation part, and places where it would be tough

Re: [sympy] Re: [GSoC 2013] Group Theory

On Mon, Apr 15, 2013 at 3:25 PM, David Joyner wrote: > This seems too ambitious. > My guess is that "Implementation of cohomology and homology of groups" > would take several summers. > You allow 2 weeks. > Are abelian extensions of the rationals implemented in Sympy? > No, it is not yet implemen

Re: [sympy] Re: [GSoC 2013] Group Theory

This seems too ambitious. My guess is that "Implementation of cohomology and homology of groups" would take several summers. You allow 2 weeks. Are abelian extensions of the rationals implemented in Sympy? My guess is that "Implementation of character table for permutation groups. " would take the

Re: [sympy] Re: [GSoC 2013] Group Theory

On Sat, Apr 13, 2013 at 8:43 PM, Tarang Patel wrote: > > > > On Sat, Apr 13, 2013 at 6:46 PM, David Joyner wrote: > >> >> >> >> On Sat, Apr 13, 2013 at 5:36 AM, Tarang Patel wrote: >> >>> Hello, >>> After discussing here about Group Theory project, I worked on my >>> Group Theory project a

Re: [sympy] Re: [GSoC 2013] Group Theory

On Sat, Apr 13, 2013 at 6:46 PM, David Joyner wrote: > > > > On Sat, Apr 13, 2013 at 5:36 AM, Tarang Patel wrote: > >> Hello, >> After discussing here about Group Theory project, I worked on my >> Group Theory project and have made my tentative proposal for GSoC 2013 >> Group Theory project

Re: [sympy] Re: [GSoC 2013] Group Theory

On Sat, Apr 13, 2013 at 5:36 AM, Tarang Patel wrote: > Hello, > After discussing here about Group Theory project, I worked on my > Group Theory project and have made my tentative proposal for GSoC 2013 > Group Theory project and added to the wiki. It would be nice, if someone > review it an

Re: [sympy] Re: [GSoC 2013] Group Theory

Hello, After discussing here about Group Theory project, I worked on my Group Theory project and have made my tentative proposal for GSoC 2013 Group Theory project and added to the wiki. It would be nice, if someone review it and guide me about my proposal and the project. My proposal is htt

[sympy] Re: Gsoc 2013-SymPy Live (on Google App Engine)

I will start doing that. Thank you, Bogdan Margarit miercuri, 10 aprilie 2013, 16:11:02 UTC+3, bogdan margarit a scris: > > Hello all, > I am a second year undergraduate student at Politehnica University > Bucharest. I study Computer Science and I have medium knowkledg

[sympy] Re: GSoC 2013

Here you go. https://code.google.com/p/sympy/issues/list?q=label:EasyToFix -- 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...@googlegroups.com. To post t

Re: [sympy] Re: GSoC 2013 Application - Improved ODE Solver.

I've made a few changes in my proposal, focussing a bit more on the implementation part, and places where it would be tough and places where I need to figure out things by myself (with the help of my mentor) of course. I shall send a preliminary PR soon, to solve PDE's of type that I've mentioned

Re: [sympy] Re: GSoC 2013 Application - Improved ODE Solver.

As I said, no PDE solvers have been implemented yet, so it would be useful. You'd have to build some basic infrastructure, based on the ode solver. Aaron Meurer On Apr 2, 2013, at 1:15 AM, Manoj Kumar wrote: Also, if possible I would like to send a PR, for solving pde of this type, if they do n

[sympy] Re: GSoC 2013 Application - Improved ODE Solver.

Also, if possible I would like to send a PR, for solving pde of this type, if they do not exist already. 1. sx ξ + sy η = k where s can be found by: dx / ξ = dy / η = ds / k . Aaron, your thoughts on this? -- You received this message because you are subscribed to the Google Groups "sy

Re: [sympy] Re: GSoC 2013 Application - Improved ODE Solver.

Thanks for your reply, Aaron. - Could you add, if possible, which specific references you will use > for each key part of the algorithms? That way it will be more clear > which parts are explicitly explained in the literature, and which > parts you will have to figure out on your own. > > All the

Re: [sympy] Re: GSoC 2013 Application - Improved ODE Solver.

Sorry for not replying. My emails have been piling up. Also, my IRC client stopped notifying me of activity in the channel, so that's why I've been dead there. I think the application looks good. My basic comments: - Could you add, if possible, which specific references you will use for each key

Re: [sympy] Re: GSOC 2013: "Parsing" and "Group Theory"

I am on it :). On Mon, Apr 1, 2013 at 5:58 PM, Sachin Joglekar wrote: > You could try looking at the parsing module for some hints. I guess the > ideas page also has a topic on parsing to interest you. > > > On Saturday, March 30, 2013 7:39:33 PM UTC+5:30, Garima Ahuja wrote: >> >> Hello all, >>

[sympy] Re: GSOC 2013: "Parsing" and "Group Theory"

You could try looking at the parsing module for some hints. I guess the ideas page also has a topic on parsing to interest you. On Saturday, March 30, 2013 7:39:33 PM UTC+5:30, Garima Ahuja wrote: > > Hello all, > I am a third year undergraduate student at IIIT Hyderabad. I am well > versed in P

[sympy] Re: GSOC 2013: "Parsing" and "Group Theory"

Thats what I was afraid of. Thank you sir for your reply. On Saturday, 30 March 2013 19:39:33 UTC+5:30, Garima Ahuja wrote: > > Hello all, > I am a third year undergraduate student at IIIT Hyderabad. I am well > versed in Python/C/C++. I am participating in GSOC 2013 and I want to > contribute t

[sympy] Re: GSoC 2013 Application - Improved ODE Solver.

Hello, I know its a bit too early ( and sorry for spamming) , and people might be busy with the organisation application, but I would love to see constructive criticism on my proposal and a few positive comments as well. I've been working dedicatedly for sympy for about 40 days right now, along

Re: [sympy] Re: [GSoC 2013] Group Theory

On Sun, Mar 24, 2013 at 9:09 PM, Ramana Venkata wrote: > Actually we don't have a generic group object as you may have know. Do you > have plans of implementing it? Can you specifically tell in what context > you said you can implement Orthogonal groups, Normal subgroup, > Homomorphisms of group e

[sympy] Re: [GSoC 2013] Group Theory

Actually we don't have a generic group object as you may have know. Do you have plans of implementing it? Can you specifically tell in what context you said you can implement Orthogonal groups, Normal subgroup, Homomorphisms of group etc., Is it just for the permutation groups??Something which

[sympy] Re: GSOC 2013

.Hey, My proposal is also going to be in the same area (Ordinary Differential Equations), I am going to deal with the implementation of series solutions and solving of first order equations using Lie groups. As far as I know, there are many other topics also given under differential equation

[sympy] Re: Gsoc 2013 symbolic quantum computing

Hi Karan, This is also a good place to start. https://github.com/sympy/sympy/wiki/gsoc-2013-ideas As Stefan pointed out you should also look at previous years ideas, (replace 2013 with 2012, etc) and the development workflow. Good Luck! Guru On Wednesday, February 13, 2013 9:24:06 AM UTC