Re: [sage-devel] Re: An index for Sage pedagogical ressources

2015-02-13 Thread Vincent Delecroix
Many thanks for your comments! I am answering quickly below and already started working on it. 2015-02-13 23:04 UTC+01:00, Andrey Novoseltsev : > Works! I am a bit confused by keyword structure, that has dots, dashes, and > underscores. Are there difficulties with spaces? And for dots, if they are

Re: [sage-devel] Re: An index for Sage pedagogical ressources

2015-02-13 Thread Andrey Novoseltsev
Works! I am a bit confused by keyword structure, that has dots, dashes, and underscores. Are there difficulties with spaces? And for dots, if they are supposed to have some hierarchy, I always liked lists on http://sagemath.org/eval.html (which apparently does not work anymore) It would be nice t

Re: [sage-devel] Re: An index for Sage pedagogical ressources

2015-02-13 Thread Thierry
On Fri, Feb 13, 2015 at 12:08:49PM -0800, Andrey Novoseltsev wrote: > The link does not work, I am getting "Internal Server Error" Thanks for the feedback. Since there was not much registrations, we just made modifications to the database structure (changes in the versionning system), so you conn

[sage-devel] Re: An index for Sage pedagogical ressources

2015-02-13 Thread Andrey Novoseltsev
The link does not work, I am getting "Internal Server Error" -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to th

[sage-devel] Re: idea on openblas support with flexiblas

2015-02-13 Thread Volker Braun
Double calling overhead is usually not considered acceptable. The flexiblas paper only presents data for n>500, obviously overhead doesn't matter then. On Friday, February 13, 2015 at 5:51:06 PM UTC+1, Alessandro Barbieri wrote: > > I'm not a developer and this is just an idea, but will be gre

[sage-devel] Re: GSoC projects

2015-02-13 Thread Ralf Stephan
On Wednesday, February 11, 2015 at 5:03:45 AM UTC+1, William wrote: > > Does anybody have any GSoC projects to add to > > http://wiki.sagemath.org/GSoC/2015 I wanted to add this link to the wiki page: http://trac.sagemath.org/query?status=needs_info&status=needs_work&status=new&milestone=sa

[sage-devel] idea on openblas support with flexiblas

2015-02-13 Thread Alessandro Barbieri
I'm not a developer and this is just an idea, but will be great if sage can support multiple blas libraries using flexiblas. http://www.mpi-magdeburg.mpg.de/projects/flexiblas http://www.netlib.org/lapack/lawnspdf/lawn284.pdf I tried this lib for compiling plasma and magma. -- Informativa sull

Re: [sage-devel] Re: [sage-nt] GSoC projects

2015-02-13 Thread Manikandan Selvaganesh
Hey Vincent, I am Manikandan Selvaganesh a final year student, doing my final B.E(Computer Science and Engineering) in India. I have done some code contributions to Fedora and Mozilla. I have learned "Game theory" paper in my 6th semester. I am much interested in solving those problems. Current

[sage-devel] Re: GSoC projects

2015-02-13 Thread mmarco
I saw it on Dima's webpage http://www.cs.ox.ac.uk/teaching/studentprojects/357.html But i don't know if it was actually proposed officially. Apperently there have been some movement on that aspect on sympy too: https://github.com/sympy/sympy/wiki/GSoC-2012-Application-Prateek-Papriwal:-Cylindri

[sage-devel] Re: open blockers

2015-02-13 Thread Jakob Kroeker
> Are the bugs over all fields, e.g.? Maybe thats a way to narrow it down? Another way to narrow down issues in 'factory' would be to upgrade to recent Singular. There of course still bugs in, but I did not catch them yet, or reported bugs were not tracked down to 'factory' ;-) I'm working on

[sage-devel] Re: GSoC projects

2015-02-13 Thread Robert Pollak
Am 11.02.2015 um 13:52 schrieb mmarco: > IIRC there was an old proposal about implementing semialgebraic sets. Hello Miguel, can you point me to this old proposal? I could not find it in the list archive and on the wiki. Robert -- You received this message because you are subscribed to the Goog

Re: [sage-devel] Re: GSoC projects

2015-02-13 Thread Robert Pollak
Am 12.02.2015 um 15:08 schrieb Dima Pasechnik: >> "Add support for systems of rational inequalities". [...] > There was a mentioning of a bigger thing - computing with semialgebraic > sets, and then this topic would naturally become a part of such a project. Yes, my univariate case would fit into

[sage-devel] Re: open blockers

2015-02-13 Thread Jakob Kroeker
> Are the bugs over all fields, e.g.? Maybe thats a way to narrow it down? Over different fields, not sure if over all (I'm not the author of factory and not familiar with the code) >Were you going to set the tickets to needs review after working more on it? Workaround for now: set prioriry to

[sage-devel] Re: open blockers

2015-02-13 Thread Volker Braun
Are the bugs over all fields, e.g.? Maybe thats a way to narrow it down? Were you going to set the tickets to needs review after working more on it? Maybe we should add a boolean flag factorize(proof=None) and optionally check the result depending on the base ring, isn't that much cheaper than

Re: [sage-devel] Re: open blockers

2015-02-13 Thread Jakob Kroeker
>Is there bugs where user gets wrong results (from factory)? I have seen only polynomials >giving error messages or halting randomly, but never wrong results the (factory) stopgap http://trac.sagemath.org/ticket/17681 references a ticket (is a stopgap for) http://trac.sagemath.org/ticket/1768

Re: [sage-devel] Re: open blockers

2015-02-13 Thread Jakob Kroeker
> Is there bugs where user gets wrong results? Yes. Am Freitag, 13. Februar 2015 12:09:03 UTC+1 schrieb Jori Mantysalo: > > On Fri, 13 Feb 2015, Jakob Kroeker wrote: > > > Factory is notoriusly buggy; it improved over time, but it is still > > buggy. There are more than 20 bugs in factory whic

Re: [sage-devel] Re: open blockers

2015-02-13 Thread Jori Mantysalo
On Fri, 13 Feb 2015, Jakob Kroeker wrote: Factory is notoriusly buggy; it improved over time, but it is still buggy. There are more than 20 bugs in factory which are fixed in 4.0.1 but not in 3.1.7 Is there bugs where user gets wrong results? I have seen only polynomials giving error message

[sage-devel] Re: open blockers

2015-02-13 Thread Jakob Kroeker
> #17679 would need rebasing. done > Also the proposed stopgaps are probably a bit too broad... is the testsuite passing with factorization disabled? I'm new to sage; will the stopgaps break the testsuite? (checking...) > Also the proposed stopgaps are probably a bit too broad Factory is not

Re: [sage-devel] open blockers

2015-02-13 Thread Volker Braun
Well the testsuite passed for #17637 which is why it is already merged... On Friday, February 13, 2015 at 11:04:01 AM UTC+1, Travis Scrimshaw wrote: > > > On Thursday, February 12, 2015 at 1:35:34 PM UTC-8, Volker Braun wrote: >> >> Maybe review was the wrong word... decide on what to do. >> >> A

Re: [sage-devel] open blockers

2015-02-13 Thread Travis Scrimshaw
On Thursday, February 12, 2015 at 1:35:34 PM UTC-8, Volker Braun wrote: > > Maybe review was the wrong word... decide on what to do. > > Also the proposed stopgaps are probably a bit too broad... is the > testsuite passing with factorization disabled? > >I would say the same thing for http://