I think you'll need to look at the merged pull requests to see what was done.
Aaron Meurer On Mon, Mar 13, 2017 at 10:01 AM Gaurav Dhingra < [email protected]> wrote: > There does *not* seem to be any report of the project of Chetna, > https://github.com/sympy/sympy/wiki/GSoC-2013-Report, or may be I > couldn't find it anywhere. In any case I have started writing the proposal > for *completing the Transcendental part integration*, since I very much > like the impact of the project. > > On Monday 13 March 2017 03:49 AM, Aaron Meurer wrote: > > Potentially. I would need to take a closer look at how much remains to > be done for the trigonometric case. > > Aaron Meurer > > On Sun, Mar 12, 2017 at 10:55 AM, Gaurav > Dhingra<[email protected]> <[email protected]> wrote: > > Hi Aaron, > > Considering my mathematical background and knowledge and after consulting > Kalevi, I have doubt over my ability to work on Symbolic Integration > (especially for algebraic part integration). But considering the amount work > that remains to be done in the transcendental part integration + Completing > the un-merged pull requests (by Kalevi and Chetna) do you think that would > be enough for a GSoC project? Since I don't want to get into the Algebraic > part integration. > > Thanks > > On Thursday, March 2, 2017 at 10:59:47 PM UTC+5:30, Aaron Meurer wrote: > > The main reference is Bronstein's book, "Symbolic Integration I: > Transcendental Functions". Most of what is in that book has already > been implemented, but the trigonometric case has not. Bronstein's > paper "Symbolic Integration Tutorial" (which can be found here > https://www-sop.inria.fr/cafe/Manuel.Bronstein/publications/mb_papers.html) > gives a high level overview of the whole algorithm, including the > algebraic and mixed cases (his book only deals with the transcendental > case). Unfortunately, the "easiest" bits from the book have already > been implemented, and what remains are algorithms that don't have > pseudocode. The algebraic case will require more references than > Bronstein's book. > > As for the work since Chetna, other than the still open > PRshttps://github.com/sympy/sympy/pulls/cheatiiit, the only work I am > aware of is this pull request by > jksuomhttps://github.com/sympy/sympy/pull/11761. > > Aaron Meurer > > > On Thu, Mar 2, 2017 at 12:17 PM, Gaurav Dhingra<[email protected]> > <[email protected]> wrote: > > Also I see a list of references for it here > https://github.com/sympy/sympy/wiki/Technical-References#symbolic-integration > , which among these would be good to start first? (brief idea would > suffice) > > Gaurav Dhingra > > > On Thursday 02 March 2017 12:17 AM, Aaron Meurer wrote: > > Other algorithms that would be useful, if you believe you are capable of > implementing them: > > - cylindrical algebraic decomposition (CAD) > > - the Risch algorithm. > > There are references on the ideas page. Both are challenging from a > mathematical point of view (though I believe less so than Karr). > > Aaron Meurer > > > On Wed, Mar 1, 2017 at 9:59 AM Ondřej Čertík <[email protected]> > <[email protected]> > wrote: > > On Wed, Mar 1, 2017 at 4:40 AM, Gaurav Dhingra<[email protected]> > <[email protected]> wrote: > > I've been thinking about applying again, though I am not sure what > the > project should be. Are there any good algorithms that are not > implemented > that could make a good project (I've read the ideas page)? I have 3 > projects > in mind: > (a). Implementation of Karr's algorithm, I believe no one has done > much > work > except Matthew Rocklin who did work on Concrete module. > (b). Complex Analysis: I quote the statement by Kalevi: > > > What I think should be added to SymPy is the Laurent series > expansion > of > meromorphic functions. > The trouble with the current implementation of limit is that it > often > goes > too early to gruntz. > That should only be used for functions that are not meromorphic but > have > an essential singularity. > > Also he opened a few issues on SymPy which might also use Complex > Analysis. > Plus, since I have a course on Complex Analysis, which include topics > . > But > I am not sure even if it is possible to implement these things in a > Computer > Algebra System. > > (c). Last summer Sumith mentioned about A dedicated bug fixing > project > in > GSoC . Since I feel like I can try to handle quite a few issues of > multiple > modules, I would want to apply for this one if the above two doesn't > have a > mentor alloted to them. > > I might not want to mentor a project, since that seems like too much > pressure for me. Applying as a student would be my priority. > > Here is a really cool project that I would love to see happen: > https://github.com/sympy/sympy/issues/12233 > > Ondrej > > > Gaurav Dhingra > > > On Monday 27 February 2017 11:05 PM, Aaron Meurer wrote: > > SymPy was accepted as a GSoC org again this year. > > Interested students, please read our instructions on how to apply > herehttps://github.com/sympy/sympy/wiki/GSoC-2017-Student-Instructions. > The most important things are to pick an idea from our ideas list to > discuss with us, and to start working on a patch to fulfill your > patch > requirement. > > Mentors, I will be sending you invites on Google's website. If you > never signed up on the ideas page, please let me know so I can invite > you. > > Aaron Meurer > > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > > https://groups.google.com/d/msgid/sympy/fd4b4702-983b-4dbd-00f6-bff8b9142e0e%40gmail.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CADDwiVBUVroL6MCUFjtjoLBG1b6Pgqf_QA%2Bcu%2BdMv-zyi%2Bc_ZQ%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CAKgW%3D6JFLu%3DEx2KWJy%2Bi7x7TQ-OPrV4UZMw36Kh9xzx5cKEbZw%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. > > > -- > Thanks > Gaurav Dhingra > (sent from Thunderbird email client) > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/c2bb4e3c-4ec1-6dd1-6fa1-4b8b9bc09f47%40gmail.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web > visithttps://groups.google.com/d/msgid/sympy/f25f4d51-6aa8-4d99-8fb7-7b426cf3b5da%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > > -- > Gaurav Dhingra > (Sent from Thunderbird email client) > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/7943b619-a2f6-3778-fb52-786318f0284b%40gmail.com > <https://groups.google.com/d/msgid/sympy/7943b619-a2f6-3778-fb52-786318f0284b%40gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6JJTi9ehkC2JPtjh3H6U3Ap-BVFd0wm215TNnbwPQZRpA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
