[sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread Keshav Kini
David Roe writes: > http://wstein.org/home/keshav/files/speaklater-1.2-fbc7a37.spkg I've upgraded to 1.3 which was released two days ago on my request. It contains a fix for a problem which was noticed in sagenb last year. The first SPKG I made used a development version of the code (commit fbc7a

[sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread Keshav Kini
William Stein writes: > On Tue, Jul 3, 2012 at 11:33 AM, John H Palmieri > wrote: >> >> >> On Tuesday, July 3, 2012 10:55:21 AM UTC-7, David Roe wrote: >>> >>> Hi everyone, >>> The new doctesting code (#12415) needs a change to the way Sage handles >>> temporary files, which is described at #131

[sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread Keshav Kini
David Roe writes: > Hi everyone, > The new doctesting code (#12415) needs a change to the way Sage handles > temporary files, which is described at #13147.  We can either > 1. change every use of temporary files within the sage library, or > 2. depend on the speaklater project and use a lazy strin

[sage-devel] bug in modular symbols code?

2012-07-03 Thread Maarten Derickx
Dear All, Today I was trying to compute some stuff using modular symbols. And I found the following slightly worrying: sage: M=ModularSymbols(Gamma1(22),sign=1) sage: S=M.cuspidal_submodule();S Modular Symbols subspace of dimension 6 of Modular Symbols space of dimension 25 for Gamma_1(22) of w

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Maarten Derickx
Le mardi 3 juillet 2012 13:12:43 UTC-4, Javier López Peña a écrit : > > Hi Robert, > > On Tuesday, July 3, 2012 5:21:53 PM UTC+1, Robert Bradshaw wrote: >> >> You don't have to re-generate the entire matrix, you could likely get >> away with changing one random element at a time. (And if you did

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Robert Bradshaw
On Tue, Jul 3, 2012 at 10:12 AM, Javier López Peña wrote: > Hi Robert, > > > On Tuesday, July 3, 2012 5:21:53 PM UTC+1, Robert Bradshaw wrote: >> >> You don't have to re-generate the entire matrix, you could likely get >> away with changing one random element at a time. (And if you did so, >> perh

Re: [sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread John H Palmieri
On Tuesday, July 3, 2012 11:45:11 AM UTC-7, Justin C. Walker wrote: > > > On Jul 3, 2012, at 11:33 , John H Palmieri wrote: > > > > > > > On Tuesday, July 3, 2012 10:55:21 AM UTC-7, David Roe wrote: > >> > >> Hi everyone, > >> The new doctesting code (#12415) needs a change to the way Sage

Re: [sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread kcrisman
> > > >> Everyone working on the ticket thinks option 2 is the way to go. > >> Speaklater consists of a single python file and is already used in the > new > >> flask notebook (#11080) by including the python file. Rather than > introduce > >> a strange dependency of sage on the notebook or

Re: [sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread Justin C. Walker
On Jul 3, 2012, at 11:33 , John H Palmieri wrote: > > > On Tuesday, July 3, 2012 10:55:21 AM UTC-7, David Roe wrote: >> >> Hi everyone, >> The new doctesting code (#12415) needs a change to the way Sage handles >> temporary files, which is described at #13147. We can either >> 1. change ever

Re: [sage-devel] Vote: adding speaklater as a standard spkg

2012-07-03 Thread Justin C. Walker
On Jul 3, 2012, at 11:08 , William Stein wrote: > On Tue, Jul 3, 2012 at 10:55 AM, David Roe wrote: >> Hi everyone, >> The new doctesting code (#12415) needs a change to the way Sage handles >> temporary files, which is described at #13147. We can either >> 1. change every use of temporary file

Re: [sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread William Stein
On Tue, Jul 3, 2012 at 11:33 AM, John H Palmieri wrote: > > > On Tuesday, July 3, 2012 10:55:21 AM UTC-7, David Roe wrote: >> >> Hi everyone, >> The new doctesting code (#12415) needs a change to the way Sage handles >> temporary files, which is described at #13147. We can either >> 1. change eve

[sage-devel] Re: Vote: adding speaklater as a standard spkg

2012-07-03 Thread John H Palmieri
On Tuesday, July 3, 2012 10:55:21 AM UTC-7, David Roe wrote: > > Hi everyone, > The new doctesting code (#12415) needs a change to the way Sage handles > temporary files, which is described at #13147. We can either > 1. change every use of temporary files within the sage library, or > 2. depend

Re: [sage-devel] Vote: adding speaklater as a standard spkg

2012-07-03 Thread William Stein
On Tue, Jul 3, 2012 at 10:55 AM, David Roe wrote: > Hi everyone, > The new doctesting code (#12415) needs a change to the way Sage handles > temporary files, which is described at #13147. We can either > 1. change every use of temporary files within the sage library, or > 2. depend on the speakla

[sage-devel] Vote: adding speaklater as a standard spkg

2012-07-03 Thread David Roe
Hi everyone, The new doctesting code (#12415) needs a change to the way Sage handles temporary files, which is described at #13147. We can either 1. change every use of temporary files within the sage library, or 2. depend on the speaklater project and use a lazy string. Everyone working on the t

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Javier López Peña
Hi Robert, On Tuesday, July 3, 2012 5:21:53 PM UTC+1, Robert Bradshaw wrote: > > You don't have to re-generate the entire matrix, you could likely get > away with changing one random element at a time. (And if you did so, > perhaps computing the rank would be cheaper). Still, +1 to it's much >

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Robert Bradshaw
On Tue, Jul 3, 2012 at 5:19 AM, Dima Pasechnik wrote: > > > On Tuesday, 3 July 2012 19:55:54 UTC+8, Javier López Peña wrote: >> >> >> >> On Tuesday, July 3, 2012 10:53:23 AM UTC+1, Dima Pasechnik wrote: >>> >>> well, it's not that small, especially for finite fields. E.g. for F_2 and >>> n=3, one

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread charles Bouillaguet
Opening a ticket with a patch, then... Charles 2012/7/3 Dima Pasechnik : > > > On Tuesday, 3 July 2012 21:20:16 UTC+8, Martin Albrecht wrote: >> >> >> On Tuesday 03 Jul 2012, Dima Pasechnik wrote: >> > On Tuesday, 3 July 2012 19:55:54 UTC+8, Javier López Peña wrote: >> > > On Tuesday, July 3, 201

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Dima Pasechnik
On Tuesday, 3 July 2012 21:20:16 UTC+8, Martin Albrecht wrote: > > > On Tuesday 03 Jul 2012, Dima Pasechnik wrote: > > On Tuesday, 3 July 2012 19:55:54 UTC+8, Javier López Peña wrote: > > > On Tuesday, July 3, 2012 10:53:23 AM UTC+1, Dima Pasechnik wrote: > > >> well, it's not that small, espe

Re: Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
For comparison: PLE decomposition needs 2.8 multiplications if asymptotically fast multiplication is used and 0.66 if cubic multiplication is used, cf. http://arxiv.org/pdf/1112.5717.pdf On Tuesday 03 Jul 2012, Dima Pasechnik wrote: > On Tuesday, 3 July 2012 20:22:37 UTC+8, Martin Albrecht wro

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
On Tuesday 03 Jul 2012, Dima Pasechnik wrote: > On Tuesday, 3 July 2012 19:55:54 UTC+8, Javier López Peña wrote: > > On Tuesday, July 3, 2012 10:53:23 AM UTC+1, Dima Pasechnik wrote: > >> well, it's not that small, especially for finite fields. E.g. for F_2 > >> and n=3, one only gets 168 invertib

Re: [sage-devel] Re: Hi / Stores From America --- SPAM!!!

2012-07-03 Thread David Joyner
Yes, definitely spam. My fault for approving the membership but i got no email moderating the post. How did that email get through? I thought first posts were moderated. On Tuesday, July 3, 2012, Dima Pasechnik wrote: > > -- > To post to this group, send an email to > sage-devel@googlegroups.co

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Dima Pasechnik
On Tuesday, 3 July 2012 20:22:37 UTC+8, Martin Albrecht wrote: > > As far as I can tell all methods need matrix multiplication, so whatever > choice me make the difference will be constant, i.e., how many > matrix-matrix > products we need (assuming asymptotically fast techniques were > imple

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
As far as I can tell all methods need matrix multiplication, so whatever choice me make the difference will be constant, i.e., how many matrix-matrix products we need (assuming asymptotically fast techniques were implemented) On Tuesday 03 Jul 2012, Dima Pasechnik wrote: > On Tuesday, 3 July 201

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Dima Pasechnik
On Tuesday, 3 July 2012 19:55:54 UTC+8, Javier López Peña wrote: > > > > On Tuesday, July 3, 2012 10:53:23 AM UTC+1, Dima Pasechnik wrote: >> >> well, it's not that small, especially for finite fields. E.g. for F_2 and >> n=3, one only gets 168 invertible matrices out of 512=2^9 in total... >> (

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Javier López Peña
On Tuesday, July 3, 2012 10:53:23 AM UTC+1, Dima Pasechnik wrote: > > well, it's not that small, especially for finite fields. E.g. for F_2 and > n=3, one only gets 168 invertible matrices out of 512=2^9 in total... > (I can't resist saying that the order of GL(n,q) is > (q^n-1)(q^{n-1}-1)...(q

[sage-devel] Re: Hi / Stores From America --- SPAM!!!

2012-07-03 Thread Dima Pasechnik
> -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org

[sage-devel] Hi / Stores From America

2012-07-03 Thread Margaret Laureys
Hello there, How’re you doing? Oh! I’ve just begun writing blogs you know, and it seems really interesting to reach out to the world audience at large and gather opinion. You could call me a beginner but do let me know your inputs / feedback / comments on my pages… please. ~~~***~~~ Pi

[sage-devel] GCC Compile Farm

2012-07-03 Thread Jeroen Demeyer
On 2012-07-02 19:17, Benjamin Jones wrote: > But seriously, has anyone thought about applying for access to the GCC > compile farm [1] ? It looks like they will give shell access accounts > to developers working on free software projects (GPL, BSD, MIT, .. ) > > [1] http://gcc.gnu.org/wiki/Compile

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Dima Pasechnik
On Tuesday, 3 July 2012 17:45:52 UTC+8, Javier López Peña wrote: > > I know little of random methods, but do we really need to make things so > complicated? As the OP suggests, we might as well just generate matrices > uniformly at random and discard if not invertible. The set of invertible >

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Javier López Peña
I know little of random methods, but do we really need to make things so complicated? As the OP suggests, we might as well just generate matrices uniformly at random and discard if not invertible. The set of invertible matrices is Zariski open, so the probability of hitting a non-invertible mat

[sage-devel] Re: problem in compiling sage source

2012-07-03 Thread Volker Braun
See http://trac.sagemath.org/sage_trac/ticket/12970 -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL:

Re: [sage-devel] problem in compiling sage source

2012-07-03 Thread Jeroen Demeyer
On 2012-07-03 11:38, Goutam Paul wrote: > Please help. > > The compilation / installation failed. This is a known problem when building MPIR with SAGE_CHECK=yes. You should build MPIR without SAGE_CHECK enabled. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscri