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

2010-03-22 Thread Dr. David Kirkby
Dima Pasechnik wrote: I don't see why libiconv is needed on Cygwin. One can install libiconv on Cygwin system-wide, using the Cygwin installer. I expect you can install iconv using the installer, but iconv is not installed by default, which goes away from Sage's philosophy of including all the

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

2010-03-22 Thread Rado
Dan, seems to work fine on my Chromium on Ubunbtu 9.10 but i dont think i have the daily build. The deletion maneuver (along with double- click erase) is turned off, right click is the new deletion of vertices. Nice catch Rob. It should be fixed now. Tell me how it looks. I posted a big patch wit

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 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 understand the p

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 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 sage-devel+unsubscr...@googlegroups.com

[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 wrote: >       Hi There, > > Thanks to David, the issues #8567 "Change iconv so it builds on Cygwin and > Solaris only" seems to have a fix

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

2010-03-22 Thread Rob Beezer
Rado and Kevin, Very nice! With the vertex numbers turned on, it takes me back. But we never dared do the dynamic layout (which is both fun and useful). Some goofyness with loops. Add a loop or two, then adjust vertex size with sliders and the loops seem to go away. This is reproducible for m

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 Fire

[sage-devel] new version of the graph editor

2010-03-22 Thread Rado
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 on Linux so interested to hear if anybody has some pro

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 act

[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 addressi

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 http://trac.sagemath.org/sage_trac/ticket/8562

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

2010-03-22 Thread Nicolas M. Thiery
Hi! Here are three little algebra&categories 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] desolve problems

2010-03-22 Thread William Stein
2010/3/22 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 unles

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 wrote: > I played around with sage and found some problems with des

[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 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 -- John -- To pos

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 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@googlegroup

[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 wrote: > This ishttp://trac.sagemath.org/sage_trac/ticket/8567.  You can fix > the problem by replacing the gd sp

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 unsubscribe

[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 d

[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 ther

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

2010-03-22 Thread Robert Bradshaw
Congrats Minh, thanks for all your persistence hard work! On Mar 21, 2010, at 11:14 AM, William Stein wrote: Hello, After much discussion, a secret committee has made the following announcement: - Minh Van Nguyen is an integral part of the Sage deve

[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 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 > and check specific par

[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, R

[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 wrote: > Hello, > > After muc

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', 'sagetex-2.2.

[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', '

[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" wrote: > Minh Nguyen wrote: > > Hi folks, > > > A binary of Sage 4.3.4 for SPARC Solaris 10 on the machine t2.math is > > available at >

[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. This

[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

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 wrote: > 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 thread [1]. However, we still

[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, visit

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 wrote: > - 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 on Sage's G

[sage-devel] GSoC project idea

2010-03-22 Thread YURi KARADZhOV
Hello: I am a PhD student of the Kiev Institute of Mathematics, National Academy of Science, Ukraine. I have an honors master's degree in mathematical physics and computer sciences. I'm interested in participating in *Sage 2010 GSoC* project. I've read the ideas which were proposed on your websit

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 wrote: > 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 interface to the Sloane online

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 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 2010 Spies

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 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() (or so) and deprecate the

[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 sage-devel+unsub

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 t2.ma