[sage-devel] Re: Trouble finding the normalizer of a subgroup

2008-04-23 Thread David Joyner
AFAIK, the normalizer of a group is not yet implemented. If you type sage: s6.normalizer? you'll see the synax for that command. My guess is that normalizer_of_group would be an easy function to implement (and I can do that if no one else wants to). On Wed, Apr 23, 2008 at 4:06 PM, Hy Ginsberg <[

[sage-devel] Re: small documentation problem: "\ " at the end of a line

2008-04-23 Thread David Joyner
A point of clarification: AFAIK, no newlines were used originally in the tutorial or construction docs. They were introduced only to increase the readability of the pdf versions. Even as it is, in the 2008.01.18 version of the tutorial sold on lulu, there are 10 pages or so which have lines cut of

[sage-devel] Re: Initial support for posets

2008-04-24 Thread David Roe
wanted to do so for a while, but too many other projects intervened. I'll try to chip in a bit. David --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more

[sage-devel] Re: Initial support for posets

2008-04-24 Thread David Harvey
sage: from sage.groups.abelian_group.lattice import Lattice or sage: from sage.cominat.lattice import Lattice depending on which Lattice you wanted to work with. I think the debate going on in this thread is more about which is the default one in the global namespace. I hate the global names

[sage-devel] Re: Initial support for posets

2008-04-24 Thread David Joyner
I'll add my 2 cents, since I just read a post by William where he suggested he might remove the command kernel, leaving left_kernel and right_kernel (and I hope, adding kernel_left and kernel_right for tab completion). I'm not strongly in favor of Lattice (alone) for either the poset or the finit

[sage-devel] Re: Initial support for posets

2008-04-24 Thread David Roe
matter, but the problem isn't quite as extensive as might be feared. :-) David On Thu, Apr 24, 2008 at 4:00 PM, root <[EMAIL PROTECTED]> wrote: > > >Sage just uses the mainstream language Python; we are > >not in the language design business. It's an interesting >

[sage-devel] Re: SAGE at ECCAD, was Fwd: [SIGSAM] ECCAD 2008 Second Call For Participants

2008-04-26 Thread David Joyner
I'm going. Robert Miller and I are doing a poster on SAGE and coding theory. I'll submit it tomorrow or Monday. On Sat, Apr 26, 2008 at 3:49 PM, William Stein <[EMAIL PROTECTED]> wrote: > > On Sat, Apr 26, 2008 at 12:19 PM, Emil Volcheck <[EMAIL PROTECTED]> wrote: > > Hello, William, > > > >

[sage-devel] Re: Weyl Characters

2008-04-26 Thread David Joyner
This looks really awesome Dan. It's really great you are working on this. Is there any functionality planned for products of GL(1)'s (for example)? On Sat, Apr 26, 2008 at 3:49 PM, Daniel Bump <[EMAIL PROTECTED]> wrote: > > > I have implemented some tools for working with characters of Lie > gr

[sage-devel] Re: Weyl Characters

2008-04-26 Thread David Joyner
Yes, that's the direction I was going but was also wondering about characters of tori. Also, has induction/restriction been implemented? On 4/26/08, Daniel Bump <[EMAIL PROTECTED]> wrote: > > > > This looks really awesome Dan. It's really great you are working on this. > > Is there any functiona

[sage-devel] Re: A Sage Enhancement Proposal: Lattice Modules

2008-04-28 Thread David Joyner
On Mon, Apr 28, 2008 at 2:02 PM, Robert Miller <[EMAIL PROTECTED]> wrote: > > SEP > > Implement Lattices over ZZ, with pairings into QQ or ZZ > > 0. (Maybe) Implement a FreeModule_ZZ_quotient class. This would also > allow for constructing abelian groups in the sort of canonical way > (someth

[sage-devel] Re: A Sage Enhancement Proposal: Lattice Modules

2008-04-28 Thread David Joyner
elianGroup instances are not completely implemented. If the plan is to fix AbelianGroup first, then I vote +1. On Mon, Apr 28, 2008 at 2:29 PM, John Cremona <[EMAIL PROTECTED]> wrote: > > David, I don't think you understood my suggestion. We are talking > about groups A which

[sage-devel] Re: A Sage Enhancement Proposal: Lattice Modules

2008-04-28 Thread David Roe
I am in fact planning on reimplementing finitely generated abelian groups soon, so my vote would be to have the quotient of lattices L/L' (with L' a full sublattice or not) be an abelian group A with a canonical map L -> A. David On Mon, Apr 28, 2008 at 2:33 PM, William Stein <

[sage-devel] Re: A Sage Enhancement Proposal: Lattice Modules

2008-04-28 Thread David Kohel
ses for quadratic forms. --David --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/grou

[sage-devel] Re: ISSAC abstract

2008-04-30 Thread David Joyner
I like it but perhaps I am prejudiced:-) IMHO, SAGE would be dead (or at least a very lonely research project) if it weren't for the fact that it is free and open source. But also, design is an important factor. Some ideas (I hesitate to call them suggestions since it seems fine as is): 1. replac

[sage-devel] Re: ISSAC abstract

2008-04-30 Thread David Joyner
... > > I think my project makes a good use of Sage: > - Output of Gap is used as input for the C-programs written by David > Green. > - Output of the C-programs is input for methods of Cython classes > (these classes are resolutions, cochains, chain maps etc). The classes > al

[sage-devel] Re: Slightly OT: SCC 2008 & Braid Groups

2008-04-30 Thread David Joyner
On Wed, Apr 30, 2008 at 10:48 AM, Martin Albrecht <[EMAIL PROTECTED]> wrote: > > Hi, > > I don't know if that is of any interest but someone around here might care > about the fact that Sage was probably the most mentioned (and cited) > mathematics software at the "First Conference for Symboli

[sage-devel] Re: Slightly OT: SCC 2008 & Braid Groups

2008-04-30 Thread David Joyner
On Wed, Apr 30, 2008 at 2:35 PM, root <[EMAIL PROTECTED]> wrote: > > > >> > >> I don't know if that is of any interest but someone around here might > care > >> about the fact that Sage was probably the most mentioned (and cited) > >> mathematics software at the "First Conference for Symbo

[sage-devel] Re: Slightly OT: SCC 2008 & Braid Groups

2008-04-30 Thread David Harvey
nd hence is more useful LATER). I can't see any way around this tradeoff. The only thing I can see that will stop a project like Sage from dying is to keep building a steady inflow of users and contributors, so that the knowledge you refer to remains as alive as possible. david

[sage-devel] Re: fast vs viable (offline post)

2008-04-30 Thread David Harvey
On Apr 30, 2008, at 6:38 PM, root wrote: > > David, > >>> But we've already had this discussion and it is clear that I'm >>> completely out-in-the-weeds, talking-nonsense, and obviously have >>> no idea how REAL-open-source-projects are done. So l

[sage-devel] Re: Slightly OT: SCC 2008 & Braid Groups

2008-04-30 Thread David Harvey
t;do it all over again" > without some fundamental gain. I may be wrong that the literate > documentation is the key. And I admit I'm a knuth-boy fanatic about > it. > My question is, what can you suggest that will make it live when > others

[sage-devel] gens and ngens

2008-04-30 Thread David Harvey
7;s a bit weird. I hate to think what happens if we implement, e.g. the ring of continuous functions on the interval [0, 1]. I suppose then "gens" needs to return some kind of uncountable generator object perhaps (excuse the pun)? david --~--~-~--~~~---~--~

[sage-devel] Re: fast vs viable (offline post)

2008-05-01 Thread David Harvey
hat the probabilities are such that it > is vastly more likely that there is something wrong with your input to > Mathematica or your understanding of what is happening than with the > internal code of the Mathematica system itself.'' Arrrgggh, I ju

[sage-devel] Re: ISSAC abstract

2008-05-01 Thread David Joyner
Very good! On Thu, May 1, 2008 at 5:51 PM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi, > > I wrote a new version of my ISSAC talk abstract. What do you think: > > http://sage.math.washington.edu/home/was/tmp/abstract.pdf > > -- > William Stein > Associate Professor of Mathematics > U

[sage-devel] Re: Sage 3.0.1-alpha1 released!

2008-05-01 Thread David Joyner
; #3066: Didier Deshommes: empty matrices: gram_schmidt() throws >a NameError > #3067: Didier Deshommes: matrices: numeric_array() is missing >an import > > Merged in alpha0: > > #783: Alex Ghitza: dilog is lame > #1187: Alex Ghitza: bug in G.conjugacy_

[sage-devel] Re: ISSAC abstract

2008-05-01 Thread David Joyner
Looks good to me. I think Python is actually in the top 5 languages now, isn't it? Maybe Perl is 5 and Python is 6? In any case, my only suggestion is to emphasize the point that *you* needed an alternative to the M's by pointing out somehow that (a) the others are propritary and therefore not su

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
are not that badly off as is. But what about the asymptotics? I tried 10^5 and 2*10^5 and 4*10^5 and it wasn't pretty. david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
7;ll see in a week .. I hope you did: sage: x = bernoulli(10^7 + 2) and not sage: bernoulli(10^7 + 2) david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED]

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
rnoulli(6) Wall time: 3.79 sage: time x = bernoulli(12) Wall time: 16.97 sage: time x = bernoulli(24) Wall time: 118.24 sage: time x = bernoulli(48) Wall time: 540.25 and I'll report back with 960000 hopefully within an hour. david --~--~-~--~~~---

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
me(50) sage: bernoulli_mod_p_single(p, 24) 498812 sage: x % p 498812 sage: p = next_prime(10^6) sage: bernoulli_mod_p_single(p, 24) 841174 sage: x % p 841174 So I would say the answer is correct. david --~--~-~--~~~---~--~~ To post to this group, send em

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
umptions, it should take 5.1 days. I've attached the > plots that show the curves I fit to some runtime data (x-axis is log > (n,1.5) y-axis is seconds). Sorry, could you please say more precisely what the two axes are? I'm seeing negative time the way I inte

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-02 Thread David Harvey
ic. Does anyone know what the theoretical complexity is supposed to be? Anyway, extrapolating gives about 4.5 days, pretty much the same as what Tom estimates. I'm going to start it running now. david --~--~-~--~~~---~--~~ To post to this group, send

[sage-devel] Re: scilab

2008-05-02 Thread David Joyner
I think this is interesting too but was unable to compile it nor get the binary to work. On Fri, May 2, 2008 at 2:52 PM, Hector Villafuerte <[EMAIL PROTECTED]> wrote: > > On Fri, May 2, 2008 at 10:31 AM, William Stein <[EMAIL PROTECTED]> wrote: > [...] > > > Very interestingly, somebody posted

[sage-devel] Re: Sage 3.0.1.rc0 released!

2008-05-03 Thread David Joyner
Possibly strange results on an ubuntu 7.10amd64 machine. (It is a rather old machine though, so many this is not something to worry about.) export SAGE_PBUILD=yes export SAGE_BUILD_THREADS=2 make Build went fine. However, sage -testall started messing up almost immediately. Here is some of it:

[sage-devel] Re: Sage 3.0.1.rc0 released!

2008-05-03 Thread David Joyner
On Sat, May 3, 2008 at 12:55 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > On May 3, 6:33 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: > > Hi David, > > > > Possibly strange results on an ubuntu 7.10amd64 machine. (It is a > > rather old m

[sage-devel] Re: Sage 3.0.1.rc0 released!

2008-05-03 Thread David Joyner
On Sat, May 3, 2008 at 1:19 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > On May 3, 7:14 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: > > On Sat, May 3, 2008 at 12:55 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > Hi David, >

[sage-devel] Re: Fwd: Tensor products

2008-05-04 Thread David Kohel
se_ring. Tensor products of polynomial rings and their quotients would be the first natural cases to implement. --David --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PRO

[sage-devel] SAGE licensing question

2008-05-05 Thread David Joyner
GPLv2. - David Joyner --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs:

[sage-devel] Re: Sage 3.0.2 merge cycle opened

2008-05-05 Thread David Roe
I'm not going to be able to work much more on coercion until next week, and I don't get the impression that Robert has much time this week either. It's probably best to put coercion off until after 3.0.2. David On Mon, May 5, 2008 at 11:44 AM, mabshoff <[EMAIL PROTECTED]&

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-06 Thread David Harvey
_single function that I mentioned a few days ago on this thread. david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~--~~~~--~~--~--~---

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-06 Thread David Harvey
>> ourselves on the back too much. >> >> > > David Harvey's congruence tests would be pretty good. Just choose > *any* prime p > 10^7 + 10 > say and compute B_{10^7+4} modulo it using David Harvey's function; > > sage: p = next_prime(10^7+10) > sa

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-06 Thread David Harvey
On May 6, 2008, at 2:12 PM, Mike Hansen wrote: > I think a blog post with PARI timings and then timings for a modular > dsage approach would be cool. Probably not so cool, since it would be like 50 machines vs one machine. david --~--~-~--~~~---~--~~ T

[sage-devel] Re: Computing large Bernoulli numbers

2008-05-06 Thread David Harvey
he economics just don't work out. Even 80 processors is a pathetically small number, given a 50x serial slowdown in the algorithm. You would need thousands of cpus to even consider this approach. And even then, it would only be worthwhile if each cpu had very limited memory. david --~--~-

[sage-devel] Re: Fwd: Tensor products

2008-05-07 Thread David Kohel
the choice of the 2 or n maps A -> C can not be decided by without specification of the map. > C would probably be implemented one of David Roe's wrapper > classes, so Q tensor Z[x] would be Q[x], but would still know its > factors. A good design is very important. In fact this

[sage-devel] Re: Sage 3.0.2.alpha0 released!

2008-05-12 Thread David Joyner
ay and finally these is something > to put out. We are still mostly on bug fix only mode, so no big > surprises. "sage -sdist" seems to have been broken by David > Joyner's #3046, so sage-banner is emtpy [see #3161]. I fixed > this in the tarball and it will be fixed in Sa

[sage-devel] SAGE at Jan 2009 AMS meeting

2008-05-13 Thread David Joyner
(sceduled for on Jan 2nd, in the afternoon). Possibly there will be a booth as well, as there was last year. If you are a SAGE developer, could you please reply to this list (or just to me, if you prefer) if you are thinking of attending this meeting? - David Joyner

[sage-devel] Re: SAGE at Jan 2009 AMS meeting

2008-05-13 Thread David Joyner
Good idea! I added that to the wiki: http://wiki.sagemath.org/SAGE On Tue, May 13, 2008 at 3:55 PM, Craig Citro <[EMAIL PROTECTED]> wrote: > > > If you are a SAGE developer, could you please reply to this list (or just > > to me, if you prefer) if you are thinking of attending this meeting?

[sage-devel] Re: infinity

2008-05-13 Thread David Roe
n ordered field (it's actually not even a field at all!). Anyway, I'd be happy to help think about ways to make infinity in Sage more mathematically rigorous while keeping it useful. But this evening I have a take home final to finish. :-) David On Tue, May 13, 2008 at 3:23 PM, J

[sage-devel] Re: New Sage website

2008-05-14 Thread David Joyner
I cannot find the code browser or wiki links, both of which I use a lot. Maybe that is because it is so slow, I give up looking. For me, each page takes 30 seconds. I guess sagemath.org is just slow this morning On Tue, May 13, 2008 at 10:33 PM, William Stein <[EMAIL PROTECTED]> wrote: > > H

[sage-devel] Request for Sage at PyConUK

2008-05-15 Thread David Jones
ly interested, so an introductory level talk would go down well. Here's their Call for Papers: http://www.pyconuk.org/callforpapers.html David Jones http://drj11.wordpress.com/ --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroup

[sage-devel] Re: Sage (not fan mail) Fwd: used sage

2008-05-15 Thread David Joyner
his faster one very soon. On Thu, May 15, 2008 at 9:35 AM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi David, > > Here is some "non-fan mail" about codes in Sage from Africa. Any > comments? > > -- Forwarded message -- > From: Khumbo Kum

[sage-devel] Re: Sage (not fan mail) Fwd: used sage

2008-05-15 Thread David Joyner
On Thu, May 15, 2008 at 1:05 PM, <[EMAIL PROTECTED]> wrote: > > David, your wording implies that there was one leak. Robert Miller and I sat > down for an hour a day every day for about 2 weeks, and fixed a number of > leaks every time. We eventually lost steam, because

[sage-devel] Re: Change the default base_ring for matrices from ZZ to QQ

2008-05-15 Thread David Roe
eason for it to be the default base ring. David On Thu, May 15, 2008 at 2:48 PM, Nils Bruin <[EMAIL PROTECTED]> wrote: > > -1. While I agree that defaulting to matrices over QQ rather than over > ZZ would lead to more expected behaviour for most users, I don't see > how the

[sage-devel] Re: square roots of -1 in finite fields

2008-05-15 Thread David Joyner
I'm not disagreeing but want to point out one difference. RR is an ordered field and this fact is used to differentiate between i and -i. However, a finite field such as GF(5) is not, so there is some ambiguity to i. It seems to me that this should be resolved somehow. On Thu, May 15, 2008 at 7:0

[sage-devel] Re: polytope classes and organization

2008-05-16 Thread David Joyner
peed. >> Are there any benchmarks on that? >> >> Since GAP is standard in Sage, presumably adding toric would be pretty >> easy, yes? >> >> -M. Hampton >> >> On Mar 29, 4:17 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: >> >>

[sage-devel] Re: slightly OT: new M4RI library

2008-05-17 Thread David Harvey
On May 17, 2008, at 8:38 PM, Bill Hart wrote: > Of course one can go too crazy with optimisation. No surely that never happens around here. david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscr

[sage-devel] Re: Sage 3.0.2-alpha1 released!

2008-05-19 Thread David Joyner
> #3121: Jason Grout, William Stein: @interact grid control > #3125: Robert Miller: chromatic_polynomial incorrectly blocks > control-c > #3126: Robert Bradshaw: Cython annotation has unicode errors > (e.g. from the notebook) > #3129: Bjarke Hammersholt Roune: The si

[sage-devel] Re: Yoda 3d model

2008-05-20 Thread David Joyner
Wow! On Tue, May 20, 2008 at 1:15 AM, Joshua Kantor <[EMAIL PROTECTED]> wrote: > > The author of this > > http://www.davidson.edu/math/chartier/Starwars/ > > project wanted code to render a 3d model of yoda for a demonstration > of rotation matrices. > > A worksheet that does this can be found a

[sage-devel] Re: Sage 3.0.2.rc0 released!

2008-05-23 Thread David Joyner
Builds fine on an amd phenom machine running hardy heron but sage -testall freezes at sage -t devel/sage/sage/dsage/__init__.py (skipping) -- nodoctest.py file in directory sage -t devel/sage/sage/dsage/tests/testdoc.py + On Fri, May 23, 2008 at 4:4

[sage-devel] Re: Trac #1284

2008-05-23 Thread David Joyner
I agree with Nick and John. On Fri, May 23, 2008 at 12:45 PM, Robert Miller <[EMAIL PROTECTED]> wrote: > > Hello, > > During the last bug day, I found several tickets related to > inconsistencies in abelian groups. I think I've fixed the circular > logic, etc. causing the problems in the patch in

[sage-devel] Re: Sage 3.0.2.rc0 released!

2008-05-23 Thread David Joyner
On Fri, May 23, 2008 at 1:16 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > On May 23, 6:44 pm, "John Cremona" <[EMAIL PROTECTED]> wrote: >> All tests passed! with rc0 + the dsage fix manually applied. >> >> John > > Cool, I have released > > http://sage.math.washington.edu/home/mabshoff/release-

[sage-devel] Re: Sage 3.0.2.rc3 released!

2008-05-24 Thread David Joyner
had a couple small issues left ;) > In addition there is one pbuild issue fix that Jaap encountered > and that in the past was also hit by David Joyner. Sources are > at > > http://sage.math.washington.edu/home/mabshoff/release-cycles-3.0.2/sage-3.0.2.rc3.tar > > Unless somethin

[sage-devel] Re: Sage 3.0.2.rc3 released!

2008-05-24 Thread David Joyner
] -- All tests passed! Total time for all tests: 9.6 seconds A bit odd, but I guess this is good news. On Sat, May 24, 2008 at 8:53 AM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > On May 24, 2:17 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: >> On a

[sage-devel] Re: Adding functions to Sage

2008-05-27 Thread David Roe
Yeah, I arrive in Seattle on June 9. David On Tue, May 27, 2008 at 1:20 AM, Nick Alexander <[EMAIL PROTECTED]> wrote: > > > On 26-May-08, at 9:40 PM, David Roe wrote: >> >> I've gotten distracted by trying to do work that my advisor gave me. >> I suspec

[sage-devel] Re: Sage Days

2008-05-27 Thread David Roe
Algebraic topology. David On Tue, May 27, 2008 at 2:32 AM, mhampton <[EMAIL PROTECTED]> wrote: > > Dynamical systems - I think this now might be Sage's weakest area of > mathematics. Getting AUTO/pydstool and other more specialized code in > Sage is necessary if its goin

[sage-devel] Re: Citing Sage and Used Systems

2008-05-27 Thread David Joyner
On Tue, May 27, 2008 at 12:48 PM, John Cremona <[EMAIL PROTECTED]> wrote: > > Surely the problem is (and it will get worse not better as Sage > improves ;)) that users just may not know which constituents > (3rd-party packages, i.e.spkgs) their Sage session has used. Are we > asking that our us

[sage-devel] Re: Adding functions to Sage

2008-05-28 Thread David Kohel
Hi David, Nick, et al., I will also be arriving for SAGE Devel Days, on the 12th (with jetlag). I am interested on focusing on p-adic arithmetic and related constructions. A GaloisRing class is essentially an finite quotient of an unramified p-adic local ring; if a separate class is created, it

[sage-devel] Re: Fwd: [sage-devel] sage

2008-05-28 Thread David Joyner
I found the tone of this email a little inappropriate but will try to reply in a polite and I hope civil way. IMHO, it is very important to place a high value on this email list as a space which one can find encouraging and inspiring discussion of the development of mathematical algorithms. Perhap

[sage-devel] Re: Sage 3.0.3.alpha0 released!

2008-05-29 Thread David Joyner
At first, sage -testall repoted a failure, in twist.py, but on retesting it passed: ... The following tests failed: sage -t devel/sage/sage/server/simple/twist.py Total time for all tests: 5024.1 seconds Please see /home/wdj/sagefiles/sage-3.0.3.alpha0/tmp/test.log for the complete log

[sage-devel] Re: tutorial: math questions about dirichlet characters

2008-05-30 Thread David Joyner
On Fri, May 30, 2008 at 5:27 PM, John H Palmieri <[EMAIL PROTECTED]> wrote: > > I'm working on rewriting the tutorial. Section 2.5.1 of the tutorial > is about Dirichlet characters, and I have some questions: > > The introductory sentence discusses "Dirichlet characters", and then > the first exa

[sage-devel] Re: more licensing discussion - Blender

2008-06-03 Thread David Joyner
I would like to learn a bit about Blender too. If you have a book you'd recommend, please let me know. On Tue, Jun 3, 2008 at 7:28 PM, Marshall Hampton <[EMAIL PROTECTED]> wrote: > > I have a small grant this summer to work on 3D visualization of > geometric-algebraic objects (e.g. Groebner fans)

[sage-devel] Re: coercing of sqrt(2)

2008-06-03 Thread David Harvey
is an object of a concrete category", i.e. a category C with a faithful functor f : C -> Set, such that the "elements" (as understood by Sage) of the parent P are exactly the elements of f(P)? > though in the context > of coercion one usually assumes one can some kind

[sage-devel] Re: Lattice Boltzmann method

2008-06-04 Thread David Joyner
According to http://en.wikipedia.org/wiki/Lattice_Boltzmann_methods the packages http://www.lbmethod.org/openlb/ and http://www.physics.ndsu.nodak.edu/people/wagner/LB.html are GPL'd. The first is GPLv2 but SAGE is licensed GPLv2+, and the second is licenced under the "GPL" but doesn't say which v

[sage-devel] Re: coercing of sqrt(2)

2008-06-04 Thread David Harvey
On Jun 4, 2008, at 7:07 AM, Bill Page wrote: > Ok (and thanks also for the clarification, David). There are of course > two different uses of "object" here: 1) object of some category, 2) > Python object. All Python objects have a 'type', i.e. belong to some > Py

[sage-devel] Re: New Sage website

2008-06-04 Thread David Harvey
Everyone keeps saying they don't like the blue. Well, I *do* like the blue! Just my 2 cents :-) david On Jun 4, 2008, at 1:40 PM, Clement Pernet wrote: > > First, I really think this web site looks much better, and mature. > Great > job! > I asked my roomate, Alan,

[sage-devel] new website

2008-06-04 Thread David Harvey
mercurial repository." can be simplified. How about just: "It ships with all dependencies including Python and the complete changelog in a Mercurial repository." "read the installation guide" => "read the installation guide." "a copy of Sage on DVD" => "a copy of Sage on DVD." Going back up to the Linux section, for consistency, the first line should be a link "download Linux binaries". david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~--~~~~--~~--~--~---

[sage-devel] Re: new website

2008-06-04 Thread David Harvey
upport" => "Financial and infrastructure support". I'm not sure if infrastructure is the right word. Can't quite think of the right word now. Maybe "material". Not sure. Map: "Sage Developers around the World" => "Sage Developers around th

[sage-devel] Re: new website

2008-06-04 Thread David Harvey
s that use Sage, or tools built on top of Sage, or something along those lines? david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this

[sage-devel] Re: new website

2008-06-04 Thread David Harvey
#x27;m not completely sure why. It's just one of those weird things. ("Workings" is much much worse.) > > What I mean is written (digital) text that has been done for, about > and with Sage excluding development (howto's, papers, examples, ...) - > that ends up in a co

[sage-devel] Re: parent of component of CartesianProduct

2008-06-05 Thread David Kohel
different objects. "Should be" means when someone finds the need and time to implement such structures. Record appears not to fit in a (mathematical) category framework, but an equivalent functionality may be provided by some existing Python structu

[sage-devel] Re: Sage 3.0.3.alpha1 released!

2008-06-07 Thread David Joyner
Built fine and all tests passed (hardy heon amd64, phenom processor). On Fri, Jun 6, 2008 at 10:12 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > Oops, pressed return by accident. > > This is 3.0.3.alpha1 and it was never meant to see the light of day > since I wanted to use it internally to test r

[sage-devel] Re: lite.sagemath.org

2008-06-09 Thread David Joyner
Has anyone yet tested to see how well the new site mirrors? I haven't looked at the source html but just just ask since I think 10 or so non-functioning mirrors would be a bad thing. On Mon, Jun 9, 2008 at 12:25 PM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi, > > So we're going to switch li

[sage-devel] pari slowness

2008-06-09 Thread David Harvey
gp version? david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~--~~~~--~~--~--~---

[sage-devel] Re: pari slowness

2008-06-09 Thread David Harvey
On Jun 9, 2008, at 1:19 PM, mabshoff wrote: > > > > On Jun 9, 10:05 am, David Harvey <[EMAIL PROTECTED]> wrote: >> Hi, > > Hi David, > >> This is on an 8-core 2GHz xeon running debian. (Tom Boothby's >> machine.) >> >> In a c

[sage-devel] Re: pari slowness

2008-06-09 Thread David Harvey
eed of long integer multiplication and division. I am not a GP expert --- how does one generate large random integers in GP? I could try multiplying them to see how long that takes. david --~--~-~--~~~---~--~~ To post to this group, send email t

[sage-devel] Re: pari slowness

2008-06-09 Thread David Harvey
hat lets you know that Jason's GMP patch was actually applied. In which version of sage did we switch to gmp 4.2.2? I will try building the previous version on this machine and compare results. david --~--~-~--~~~---~--~~ To post to this group, send emai

[sage-devel] Re: pari slowness

2008-06-09 Thread David Harvey
; CPU times: user 1.50 s, sys: 0.00 s, total: 1.50 s > Wall time: 1.50 > > It looks like the conversion from sage.lib.pari.gen.gen to > sage.rings.rational.Rational just converts y to a string and then > parses > the resulting string, which is why this takes so long. Th

[sage-devel] Re: Jehanne's code

2008-06-09 Thread David Joyner
I think the person involved with coordinating the modular q-expansion code is William Stein himself, so I'm cc'ing the sage-devel list for others interested in this info. My guess is that, if William doesn't know about this Pari code already then he will want to know what license it is released u

[sage-devel] Re: pari slowness

2008-06-09 Thread David Harvey
On Jun 9, 2008, at 5:58 PM, William Stein wrote: > On Mon, Jun 9, 2008 at 2:43 PM, David Harvey > <[EMAIL PROTECTED]> wrote: >> >> On Jun 9, 2008, at 5:35 PM, Michael Abshoff wrote: >>> >>> I wonder if we are just building GMP incorrectly. That bernf

[sage-devel] Re: elliptic curve division polynomials

2008-06-10 Thread David Harvey
On Jun 10, 2008, at 10:34 AM, John Cremona wrote: > Problem/question 2: looking at the code in ell_generic.py I find that > there are now *3* different implementations of division polys of > various kinds. > > (1) E.division_pol = E.torsion_pol is by David Kohel (2005-04-25)

[sage-devel] weird documentation thing

2008-06-12 Thread David Harvey
Not-a-Number)." What does it mean for a floating point number to be of the form 1251#175? Is that supposed to be a reference to an image file? I looked at the HTML source and didn't quite understand it. david --~--~-~--~~~---~--~~ To post to this gr

[sage-devel] Re: Sage 3.0.3.alpha2 released

2008-06-13 Thread David Joyner
; expired > #3040: William Stein, Craig Citro: make it so magma(A) works for > matrices over cyclotomic number fields > #3042: William Stein, Craig Citro, Robert Bradshaw: cyclolinalg -- > make a new type for cyclotomic linear algebra > #3130: David Joyner: permgps: added normal_subgr

[sage-devel] Re: Pickling functions

2008-06-14 Thread David Harvey
value. This means that only the function name is pickled, along with the name of module the function is defined in. Neither the function's code, nor any of its function attributes are pickled. Thus the defining module must be importable in the unpickling environment, and the module must cont

[sage-devel] Re: Pickling functions

2008-06-14 Thread David Roe
One way to get around this limitation in python is to use callable classes instead of functions. David On Sat, Jun 14, 2008 at 10:42 AM, David Harvey <[EMAIL PROTECTED]> wrote: > > On Jun 14, 2008, at 1:25 PM, Daniel Bump wrote: > > > Some code that has been proposed by Nico

[sage-devel] Re: Testing futur mirror : www.sagemath.fr

2008-06-18 Thread David Harvey
On Jun 18, 2008, at 8:15 PM, Dan Drake wrote: > [1]: http://blog.mozilla.com/gen/2007/02/27/the-cost-of-monoculture/ > [2]: http://blogs.zdnet.com/Ou/?p=412 > [3]: http://www.korealawblog.com/entry/ > why_you_cant_buy_anything_on_line_in_korea_mr_foreigner Holy

[sage-devel] Re: sage.math

2008-06-19 Thread David Roe
sage.math seems to be back up. At least, I'm logged in to it. ;-) David On Thu, Jun 19, 2008 at 12:47 PM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi, > > sage.math is down and I don't have physical access to the machine right now. > Reminder: a backup from y

[sage-devel] Re: presentation about Maxima at Sage developer days

2008-06-20 Thread David Harvey
test Sage on those suites you suggest. It's just a question of someone offering to come forward and do the work! david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [E

[sage-devel] Re: lite.sagemath.org

2008-06-21 Thread David Harvey
I think the extra links "Try Sage online!" and "Try it online!" look a bit weird. Maybe it would be better if they were somehow part of the main menu thing in the middle of the screen. On the downloads page, there is a space missing before "additional instructions

[sage-devel] Re: pyprocessing

2008-06-22 Thread David Joyner
+1 On Sun, Jun 22, 2008 at 4:00 AM, William Stein <[EMAIL PROTECTED]> wrote: > > Hello, > > I would like to propose adding pyprocessing as a standard spkg to Sage. > http://pyprocessing.berlios.de/ > > This is *by far* the best tool I've ever seen for making use of multiple > processors on a

[sage-devel] Re: Sage 3.0.4.alpha0 released

2008-06-23 Thread David Joyner
n] > #3341: Mike Hansen: fix minor issue with creating skew partitions by > dividing partitions [Reviewed by Martin Albrecht] > #3347: John Palmieri: lots of changes to the tutorial [Reviewed by > Mike Hansen] > #3371: Francis Clarke, Craig Citro: bug in uniformiSer for p-adic > rin

[sage-devel] Re: xmaxima is built if you have tcl/tk!

2008-06-24 Thread David Joyner
I'm with William. I was pretty happy when Francois reported (or more precisely reminded me, since I think I knew and forgot) that xmaxima was available. This means that openmath plotter (like jmol, but using tcl.tk instead of java) is available too, whenever tcl/tk is installed. On Tue, Jun 24, 2

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