[sage-combinat-devel] Re: Sage-Combinat/Chevie meeting on Coxeter groups and Hecke algebras in Orsay in June

2010-03-22 Thread Nicolas M. Thiery
On Mon, Mar 22, 2010 at 12:18:14PM +0100, Frank Lübeck wrote: I will try to find someone taking over my lectures. (Maybe I have to leave earlier.) That would be great! Looking forward meeting you there. Starting Sunday doesn't look like an option considering the poll. But if I had a place to

[sage-devel] Re: Annual Spies Prize Winner Announced!

2010-03-22 Thread Alec Mihailovs
Minh, In a few days that I was here, you were one of the most helpful guys, together with William Stein, David Joyner and Mike Hansen, as well as Jaap Spies himself. I guess that Jaap, William, and David can't have this award, and Mike had it last year. That seems to be a rather simple choice for

[sage-devel] t2.math binary for Sage 4.3.4

2010-03-22 Thread Minh Nguyen
Hi folks, A binary of Sage 4.3.4 for SPARC Solaris 10 on the machine t2.math is available at http://sage.math.washington.edu/home/release/sage-4.3.4/sage-4.3.4-t2.math.washington.edu-sun4v-SunOS.tar.gz Here is a summary of how I produced that binary. (1) I logged into t2.math, took the source

Re: [sage-devel] t2.math binary for Sage 4.3.4

2010-03-22 Thread Dr. David Kirkby
Minh Nguyen wrote: Hi folks, A binary of Sage 4.3.4 for SPARC Solaris 10 on the machine t2.math is available at http://sage.math.washington.edu/home/release/sage-4.3.4/sage-4.3.4-t2.math.washington.edu-sun4v-SunOS.tar.gz Here is a summary of how I produced that binary. (1) I logged into

[sage-devel] Re: Sage 4.3.4 released

2010-03-22 Thread Adam Webb
Hi, On a positive note. I was able to build Sage 4.3.4 and run long tests (all passed) on: 1. x86 - Scientific Linux 5.1 2. AMD64 - Ubuntu 10.4 (beta 1) Adam -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to

Re: [sage-devel] Re: method int_repr only works for small finite fields

2010-03-22 Thread Minh Nguyen
Hi Martin, On Mon, Mar 22, 2010 at 1:03 AM, Martin Albrecht m...@informatik.uni-bremen.de wrote: I wrote the small finite field class and added the int_repr() and forgot to add something equivalent for bigger fields. I would suggest to add a new function to both called integer_representation()

Re: [sage-devel] Annual Spies Prize Winner Announced!

2010-03-22 Thread Tim Joseph Dumol
On Mon, Mar 22, 2010 at 2:14 AM, William Stein wst...@gmail.com wrote: Hello, After much discussion, a secret committee has made the following announcement: - Minh Van Nguyen is an integral part of the Sage development effort. He is awarded the

Re: [sage-devel] Graph classes in Sage... Including the whole of ISGCI

2010-03-22 Thread Minh Nguyen
Hi Nathann, On Tue, Mar 16, 2010 at 7:50 PM, Nathann Cohen nathann.co...@gmail.com wrote: SNIP Well, here is my problem... If you have some idea to tackle it... :-) I just want to say that what you are doing is rather novel at least to me. Is it possible to draw some inspiration from the

Re: [sage-devel] no GSoC for Sage

2010-03-22 Thread Minh Nguyen
Hi Burcin, On Sat, Mar 20, 2010 at 10:39 PM, Burcin Erocal bur...@erocal.org wrote: SNIP - replace the GSoC 2010 link on the front page of the web site with a Help Wanted or Get Involved! link. I have renamed the link GSoC 2010 to Get Involved!. This new link still points to the wiki page

[sage-devel] GSoC project idea (easy to read variant)

2010-03-22 Thread YURi KARADZhOV
This is the same document I sent before but with right format. http://docs.google.com/View?id=dsvkx4j_8dz2gzrdx -- 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,

Re: [sage-devel] GSoC project idea

2010-03-22 Thread Minh Nguyen
Hi Yuri, On Mon, Mar 22, 2010 at 11:54 PM, YURi KARADZhOV yuri.karadz...@gmail.com wrote: SNIP I'm interested in participating in Sage 2010 GSoC project. I regret to say that Sage has not been accepted as a mentoring organization for GSoC 2010. Burcin informed us of this at this sage-devel

[sage-devel] desolve problems

2010-03-22 Thread YURi KARADZhOV
I played around with sage and found some problems with desolve command. To solve ode diff(y(x),x)+a*y(x)+b*x+c we should first define variables and functions x = var('x') a,b,c=var('a b c') y=function('y',x) eq=diff(y,x)+a*y+b*x+c but than unless it is obvious that the dependent variable is x

[sage-devel] Re: t2.math binary for Sage 4.3.4 - no scipy*.so in there

2010-03-22 Thread Dima Pasechnik
Hi all, scipy is not compiled in that build, despite it being a standard package. It just won't build by default on Solaris (while it builds there if I do sage -f scipy-0.7.p4.spkg, etc). This is not only the issue with this build by Minh, but I also see this when I build sage myself on t2.

[sage-devel] Re: t2.math binary for Sage 4.3.4

2010-03-22 Thread Dima Pasechnik
so .so files are missing in that build: http://groups.google.com/group/sage-devel/browse_thread/thread/ff2964972f59429a On Mar 22, 3:06 pm, Dr. David Kirkby david.kir...@onetel.net wrote: Minh Nguyen wrote: Hi folks, A binary of Sage 4.3.4 for SPARC Solaris 10 on the machine t2.math is

[sage-devel] Re: t2.math binary for Sage 4.3.4 - no scipy*.so in there

2010-03-22 Thread Dima Pasechnik
actually, sage: standard_packages() says that the following standard spkg's are not installed in a t2 build of sage-4.3.4 I made. ['cddlib-094f.p5', 'flintqs-20070817.p4', 'gfan-0.4plus', 'moin-1.9.1.p1', 'palp-1.1.p1', 'pil-1.1.6.p2', 'polytopes_db-20100210', 'sagetex-2.2.3.p0', 'scipy-0.7.p4',

Re: [sage-devel] Re: t2.math binary for Sage 4.3.4 - no scipy*.so in there

2010-03-22 Thread Dr. David Kirkby
Dima Pasechnik wrote: actually, sage: standard_packages() says that the following standard spkg's are not installed in a t2 build of sage-4.3.4 I made. ['cddlib-094f.p5', 'flintqs-20070817.p4', 'gfan-0.4plus', 'moin-1.9.1.p1', 'palp-1.1.p1', 'pil-1.1.6.p2', 'polytopes_db-20100210',

[sage-devel] Re: Annual Spies Prize Winner Announced!

2010-03-22 Thread Dima Pasechnik
Well done, Minh! By the way, as this is a Spies price, so you can call yourself a Master Spy! (on the second thought, in one of languages I know spies means kebab... :-)) (Jaap, neemt je mij niet kwalijk, AJB :-)) Best, Dima On Mar 22, 2:14 am, William Stein wst...@gmail.com wrote: Hello,

[sage-devel] standard_packages()

2010-03-22 Thread Dr. David Kirkby
I run 'standard_packages()' for version 4.3.4.rc0 where all doctests passed (including the long ones). I find however 4 standard packages are uninstalled. drkir...@redstart:~/sage-4.3.4.rc0$ ./sage -- | Sage Version 4.3.4.rc0,

[sage-devel] Re: GSoC project idea

2010-03-22 Thread Minh Nguyen
Hi Yuri, On Tue, Mar 23, 2010 at 2:58 AM, yuri.k yuri.karadz...@gmail.com wrote: Unfortunately I have not enough resources to pay significant attention to sage (despite I really want to). At least I can solve first problem with desolve, but I still need some help to understand how to select

[sage-devel] Can a 4.3.5 be created to fix the Fedora/Mandriva/OpenSUSE build problem?

2010-03-22 Thread Dr. David Kirkby
William was keen that a new release was made quickly to fix the issues which prevent 4.3.4 building on several linux distros. A patch is here: http://trac.sagemath.org/sage_trac/ticket/8567 If that is added, Sage should build ok on these linux distros, which otherwise do not like it when

[sage-devel] Re: Can a 4.3.5 be created to fix the Fedora/Mandriva/OpenSUSE build problem?

2010-03-22 Thread Jaap Spies
Dr. David Kirkby wrote: William was keen that a new release was made quickly to fix the issues which prevent 4.3.4 building on several linux distros. A patch is here: http://trac.sagemath.org/sage_trac/ticket/8567 If that is added, Sage should build ok on these linux distros, which otherwise

Re: [sage-devel] sage-4.3.4 built error on fedora11

2010-03-22 Thread Mike Hansen
This is http://trac.sagemath.org/sage_trac/ticket/8567 . You can fix the problem by replacing the gd spkg with the one found here: http://sage.math.washington.edu/home/kirkby/iconv/iconv-1.13.1.p0.spkg --Mike -- To post to this group, send an email to sage-devel@googlegroups.com To

[sage-devel] Re: sage-4.3.4 built error on fedora11

2010-03-22 Thread ggrafendorfer
Thank you Mike, that was probably the fastest answer ever!! however, I'm sorry for the post, I should have looked if it was reported before, Georg On Mar 22, 9:32 pm, Mike Hansen mhan...@gmail.com wrote: This ishttp://trac.sagemath.org/sage_trac/ticket/8567.  You can fix the problem by

Re: [sage-devel] Re: sage-4.3.4 built error on fedora11

2010-03-22 Thread Mike Hansen
On Mon, Mar 22, 2010 at 1:36 PM, ggrafendorfer georg.grafendor...@gmail.com wrote: Thank you Mike, that was probably the fastest answer ever!! however, I'm sorry for the post, I should have looked if it was reported before, No worries :-) --Mike -- To post to this group, send an email to

[sage-devel] Re: sage-4.3.4 built error on fedora11

2010-03-22 Thread John H Palmieri
On Mar 22, 1:32 pm, Mike Hansen mhan...@gmail.com wrote: This is http://trac.sagemath.org/sage_trac/ticket/8567.  You can fix the problem by replacing the gd spkg with the one found here: You mean the *iconv* spkg. http://sage.math.washington.edu/home/kirkby/iconv/iconv-1.13.1.p0.spkg --

Re: [sage-devel] desolve problems

2010-03-22 Thread David Joyner
Thank you for reporting this. I think Robert Marik is the best person to reply to this issue. I guess he is busy now but I hope he will reply in a fairly soon and give his opinion. On Mon, Mar 22, 2010 at 9:26 AM, YURi KARADZhOV yuri.karadz...@gmail.com wrote: I played around with sage and

Re: [sage-devel] desolve problems

2010-03-22 Thread William Stein
2010/3/22 YURi KARADZhOV yuri.karadz...@gmail.com: I played around with sage and found some problems with desolve command. To solve ode diff(y(x),x)+a*y(x)+b*x+c we should first define variables and functions x = var('x') a,b,c=var('a b c') y=function('y',x) eq=diff(y,x)+a*y+b*x+c

[sage-devel] Three little algebra category patches for review

2010-03-22 Thread Nicolas M. Thiery
Hi! Here are three little algebracategories patches on trac to review: - #8576: Categories for QQ, CC, RR and friends - #8562: Categories for IntegerMod rings - #8579: Add the categories of magmas and additive magmas They are good picks if you want to get into the category business.

Re: [sage-devel] Category for IntegerModRing(n)

2010-03-22 Thread Nicolas M. Thiery
Hi! By lack of decision for the moment, I postponed the change to a later ticket, I just uploaded on trac a minimal version of my patch which just lets IntegerModRing use its categories, without upgrading its category to Fields(): see

[sage-devel] Re: atan2 throws divide by zero

2010-03-22 Thread G B
Burcin-- Now that I've managed to divide the discussion between two groups, I should try to help organize the mess I made. Ondrej mentioned in the sage-support discussion that he's opened ticket 8564. Unfortunately I don't understand the plumbing well enough to know if 8564 and 8565 are

Re: [sage-devel] Re: Parents with a natural action on a space

2010-03-22 Thread Nicolas M. Thiery
On Wed, Mar 17, 2010 at 05:58:59PM -0700, Alec Mihailovs wrote: Dan Bump recently raised the issue that the `lattice` method for Weyl groups is badly named. I agree, but the issue is more general. Hence, here is a call for good names. Let P be a parent endowed with a natural action (or

Re: [sage-devel] new version of the graph editor

2010-03-22 Thread Dan Drake
On Mon, 22 Mar 2010 at 04:44PM -0700, Rado wrote: Thanks to Kevin (one of William's undergrad students), we have some major improvements to the graph editor. Take it for spin at http://www.math.uiuc.edu/~rkirov2/js-graph-editor/ (a Sage patch will follow soon). I have only tested it in Firefox

[sage-devel] Re: why Sage 4.3.4 is broken on Fedora and openSUSE

2010-03-22 Thread Dima Pasechnik
I don't see why libiconv is needed on Cygwin. One can install libiconv on Cygwin system-wide, using the Cygwin installer. On Mar 22, 5:50 am, Florent Hivert florent.hiv...@univ-rouen.fr wrote:       Hi There, Thanks to David, the issues #8567 Change iconv so it builds on Cygwin and Solaris

Re: [sage-devel] Annual Spies Prize Winner Announced!

2010-03-22 Thread Ondrej Certik
On Mon, Mar 22, 2010 at 11:31 AM, Robert Bradshaw rober...@math.washington.edu wrote: Congrats Minh, thanks for all your persistence hard work! Congrats! Ondrej -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to

Re: [sage-devel] Re: atan2 throws divide by zero

2010-03-22 Thread Ondrej Certik
On Mon, Mar 22, 2010 at 3:47 PM, G B g.c.b.at.w...@gmail.com wrote: Burcin-- Now that I've managed to divide the discussion between two groups, I should try to help organize the mess I made. Ondrej mentioned in the sage-support discussion that he's opened ticket 8564.  Unfortunately I don't