[sage-devel] Re: Sage organizational structure, AWOL people

Minh Nguyen wrote: > > Have you been reading the following post by Jono Bacon? :-) > > http://www.jonobacon.org/2009/07/30/on-validation/ > Thanks; I really like that article. (for those that haven't read it, it's on the importance of validation in volunteer communities, and the need for

[sage-devel] Re: experience with pyjamas for the notebook

On Thu, Jul 30, 2009 at 10:41 PM, Ondrej Certik wrote: > > On Thu, Jul 30, 2009 at 11:20 PM, William Stein wrote: > > > > > > On Thu, Jul 30, 2009 at 10:02 PM, Ondrej Certik > wrote: > >> > >> On Thu, Jul 30, 2009 at 10:51 PM, William Stein > wrote: > >> > > >> > > >> > On Thu, Jul 30, 2009 at 9

[sage-devel] Re: experience with pyjamas for the notebook

On Thu, Jul 30, 2009 at 11:20 PM, William Stein wrote: > > > On Thu, Jul 30, 2009 at 10:02 PM, Ondrej Certik wrote: >> >> On Thu, Jul 30, 2009 at 10:51 PM, William Stein wrote: >> > >> > >> > On Thu, Jul 30, 2009 at 9:43 PM, Ondrej Certik wrote: >> >> >> >> Hi, >> >> >> >> so I fixed most of the

[sage-devel] Re: experience with pyjamas for the notebook

On Thu, Jul 30, 2009 at 10:02 PM, Ondrej Certik wrote: > > On Thu, Jul 30, 2009 at 10:51 PM, William Stein wrote: > > > > > > On Thu, Jul 30, 2009 at 9:43 PM, Ondrej Certik wrote: > >> > >> Hi, > >> > >> so I fixed most of the early bugs, here is my latest attempt: > >> > >> http://4.latest.pyth

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

William Stein wrote: > > > On Thu, Jul 30, 2009 at 10:26 AM, Jason Grout > mailto:jason-s...@creativetrax.com>> wrote: > > > William Stein wrote: > > > > > > On Thu, Jul 30, 2009 at 10:02 AM, Jason Grout > > mailto:jason-s...@creativetrax.com> >

[sage-devel] Re: experience with pyjamas for the notebook

On Thu, Jul 30, 2009 at 10:51 PM, William Stein wrote: > > > On Thu, Jul 30, 2009 at 9:43 PM, Ondrej Certik wrote: >> >> Hi, >> >> so I fixed most of the early bugs, here is my latest attempt: >> >> http://4.latest.pythonnb.appspot.com/ >> >> it seems to be working reasonably well in most browser

[sage-devel] Re: experience with pyjamas for the notebook

On Thu, Jul 30, 2009 at 9:43 PM, Ondrej Certik wrote: > > Hi, > > so I fixed most of the early bugs, here is my latest attempt: > > http://4.latest.pythonnb.appspot.com/ > > it seems to be working reasonably well in most browsers I tried (FF, > IE, Safari, Opera, Chrome, ...). > > > Opera can't

[sage-devel] experience with pyjamas for the notebook

Hi, so I fixed most of the early bugs, here is my latest attempt: http://4.latest.pythonnb.appspot.com/ it seems to be working reasonably well in most browsers I tried (FF, IE, Safari, Opera, Chrome, ...). Opera can't handle event.preventDefault(), which means that if you press shift+enter, th

[sage-devel] Re: Sage organizational structure, AWOL people

On Thu, Jul 30, 2009 at 5:12 PM, kcrisman wrote: > > I agree that overall things are in good shape, with a few comments > about potential vulnerabilities: > > 1) Obviously 'was' is key at this point, as has already been pointed > out - though not necessarily for day-to-day operations, which is >

[sage-devel] Re: status of FreeBSD 64-bit support

Building mpir svn trunk (which for the Sun's is the same as mpir-1.2.2) ./configure && make -j && make -j check ld.so.1: t-modlinv: fatal: /usr/local/gcc-4.2.4-sun-linker/lib/libgcc_s.so.1: wrong ELF class: ELFCLASS32 /bin/bash: line 1: 25188 Killed ${dir}$tst FAIL: t-modlinv

[sage-devel] Re: Sage organizational structure, AWOL people

On Thu, Jul 30, 2009 at 9:05 PM, Minh Nguyen wrote: > > Hi David, > > On Fri, Jul 31, 2009 at 3:44 AM, David Joyner wrote: > > > >> Several comments: >> >> I think Minh is doing a great job! It is fascinating to me that when a >> structure (like the Sage organization) changes (like Michael's void

[sage-devel] Re: Sage organizational structure, AWOL people

Hi David, On Fri, Jul 31, 2009 at 3:44 AM, David Joyner wrote: > Several comments: > > I think Minh is doing a great job! It is fascinating to me that when a > structure (like the Sage organization) changes (like Michael's void), > how someone > (eg, Minh) of really remarkable organizational a

[sage-devel] Re: status of FreeBSD 64-bit support

On Wednesday 29 July 2009 01:28:08 David Kirkby wrote: > 2009/7/28 jason : > > This issue of building mpir on freebsd64 has been fixed in release > > 1.2.2 , which should be on the mpir main site in an hour or two. As > > far as we are aware it should work on Suns , although on T2 , you > > can't

[sage-devel] Re: Sage organizational structure, AWOL people

I agree that overall things are in good shape, with a few comments about potential vulnerabilities: 1) Obviously 'was' is key at this point, as has already been pointed out - though not necessarily for day-to-day operations, which is already a huge step. The more stuff written up, as Robert and

[sage-devel] Re: status of FreeBSD 64-bit support

The new mpir has not yet appeared on the main site , but you can get it here http://groups.google.com/group/mpir-devel in the files section Jason On Jul 28, 11:00 pm, jason wrote: > This issue of building mpir on freebsd64 has been fixed in release > 1.2.2 , which should be on the mpir main

[sage-devel] Re: Sage 4.1.1.rc0 released

On Thu, Jul 30, 2009 at 1:14 PM, Minh Nguyen wrote: > Hi folks, > > This is the first release candidate for Sage 4.1.1. Source and binary are at > > http://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0.tar > http://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0-sage.math.w

[sage-devel] Re: Sage 4.1.1.rc0 released

Hi Georg, On Thu, Jul 30, 2009 at 9:35 PM, gsw wrote: > > Hi, > > at least these lines (and there are others): > > ** > File "/home/mvngu/usr/bin/sage/devel/sage-main/sage/interfaces/ > sage0.py", > line 320: >sage: sage0.eva

[sage-devel] Re: Sage organizational structure, AWOL people

On Jul 30, 2009, at 9:47 AM, William Stein wrote: > Hi, > > There is an article on slashdot today about the CentOS project > admin being AWOL: > > http://linux.slashdot.org/story/09/07/30/130249/CentOS-Project- > Administrator-Goes-AWOL?art_pos=4 > > "Lance Davis, the main project administrato

[sage-devel] Re: Is there a list of environment variables SAGE uses?

On Jul 28, 1:57 pm, David Kirkby wrote: > > Should CC, CXX, LD_LIBRARY_PATH and LD work? If so in exactly what way? Just as a side note from my experience of compiling other complex programs (and I am not sure it applies to sage): if these variable work then they have to work consistently acr

[sage-devel] Re: Sage organizational structure, AWOL people

On Jul 30, 10:47 am, William Stein wrote: > Anyway, I would appreciate people sharing their thoughts about how to make > the Sage project more organized with respect to key people vanishing -- > either temporarily or permantly -- from the project. Well, I'm inclined to think you need less organ

[sage-devel] Re: Follow up question

On Jul 30, 5:51 pm, William Stein wrote: ... > It's nice to hear something positive about distutils for a change :-) Isn't it sage-flame ?? :-) Simon --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this

[sage-devel] Re: Circuits

As a sage user and an engineer I would rather use gEDA for this stuff. Granted it doesn't have capacitance/inductance meters built into it but you don't really use those outside of school. The current crop of opensource SPICE and Microcap style engines for circuit simulation do a very good job an

[sage-devel] Re: Circuits

1) It seems it is more suitable for high school and upper students who want to learn electronics better and go to further topics. It is also simple for them to easily model without missing inside too many buttons and properties. 2) It seems it is not too hard to integrate new futures to make it so

[sage-devel] Re: Developing new classes

That would be very useful. You might want to look at sage/algebras/group_algebra.py. For example, type GroupAlgebra? If I were you, I'd try to get in touch with Mike Hansen to see if he has any suggestions on what you want to implement. On Tue, Jul 28, 2009 at 11:04 AM, VictorMiller wrote: > > I

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Jul 30, 9:51 am, Nathann Cohen wrote: > Wonderful ! It was just a mistake coming from my own code ( please > accept my apologies ! ). The coloring it now returns is : > [[5, 1, 2], [7, 6, 3], [9, 0], [8, 4]] That works. ;-) No apologies needed - it is good to get bugs squashed early in the

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

There's a lot of data out there in graph6 format (e.g. Gordon Royle's collections) so it is good that Sage supports it (and should continue to do so). This would certainly cause pain if there was a movement for any kind of wholesale conversion.But for Trac, cut/paste, doctests, etc, etc, I th

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Thu, Jul 30, 2009 at 10:31 AM, Jason Grout wrote: > > Rob Beezer wrote: > > On Jul 30, 10:04 am, William Stein wrote: > >> What did he say? I've only seen him speak on the History Channel > >> (seriously). > > > > LOL. Topic is now graph codes, not Bible Codes. > > > > I think graph7 would b

[sage-devel] Re: Sage organizational structure, AWOL people

On Thu, Jul 30, 2009 at 12:47 PM, William Stein wrote: > Hi, > ... > -- > > As some of you may have noticed, Sage recently had a similar situation, in > that in late May Michael Abshoff went AWOL -- he posted one message in May > that he was taking a break for a month, and has not been heard

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

Rob Beezer wrote: > On Jul 30, 10:04 am, William Stein wrote: >> What did he say? I've only seen him speak on the History Channel >> (seriously). > > LOL. Topic is now graph codes, not Bible Codes. > > I think graph7 would be worse since then we'd have 7 bits to a > character and more bad cha

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Thu, Jul 30, 2009 at 10:26 AM, Jason Grout wrote: > > William Stein wrote: > > > > > > On Thu, Jul 30, 2009 at 10:02 AM, Jason Grout > > mailto:jason-s...@creativetrax.com>> > wrote: > > > > > > Robert Miller wrote: > > > On Thu, Jul 30, 2009 at 9:27 AM, Rob > > Beezermailto:goo...

[sage-devel] Re: Sage organizational structure, AWOL people

On Jul 30, 9:47 am, William Stein wrote: > Hi, > > There is an article on slashdot today about the CentOS project admin being > AWOL: [snip] > As some of you may have noticed, Sage recently had a similar situation, in > that in late May Michael Abshoff went AWOL -- he posted one message in May

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

William Stein wrote: > > > On Thu, Jul 30, 2009 at 10:02 AM, Jason Grout > mailto:jason-s...@creativetrax.com>> wrote: > > > Robert Miller wrote: > > On Thu, Jul 30, 2009 at 9:27 AM, Rob > Beezermailto:goo...@beezer.cotse.net>> wrote: > >> As an aside, maybe the graph6 forma

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

William Stein wrote: > > > On Thu, Jul 30, 2009 at 9:38 AM, Robert Miller > wrote: > > > On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer > wrote: > > > > As an aside, maybe the graph6 format doesn't work so well in >

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Jul 30, 10:04 am, William Stein wrote: > What did he say?  I've only seen him speak on the History Channel > (seriously). LOL. Topic is now graph codes, not Bible Codes. I think graph7 would be worse since then we'd have 7 bits to a character and more bad characters. Maybe graph5? But ser

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Thu, Jul 30, 2009 at 10:02 AM, Jason Grout wrote: > > Robert Miller wrote: > > On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer > wrote: > >> As an aside, maybe the graph6 format doesn't work so well in Trac? The > >> back-ticks seem to have disappeared, leading to quite a different > >> graph. ;-)

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

Robert Miller wrote: > On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer wrote: >> As an aside, maybe the graph6 format doesn't work so well in Trac? The >> back-ticks seem to have disappeared, leading to quite a different >> graph. ;-) > > Never trust graph6 string conversion -- almost every bad char

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Thu, Jul 30, 2009 at 9:38 AM, Robert Miller wrote: > > On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer > wrote: > > > > As an aside, maybe the graph6 format doesn't work so well in Trac? The > > back-ticks seem to have disappeared, leading to quite a different > > graph. ;-) > > Never trust graph

[sage-devel] Re: Follow up question

On Thu, Jul 30, 2009 at 9:13 AM, King, Simon wrote: > Hi William, > > -Original Message- > From: William Stein [mailto:wst...@gmail.com] > Sent: Thu 30/07/2009 16:31 > To: Simon King > Subject: Re: Cohomology package: Time regression fixed > > |On Wed, Jul 29, 2009 at 8:04 PM, Simon King

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

Wonderful ! It was just a mistake coming from my own code ( please accept my apologies ! ). The coloring it now returns is : [[5, 1, 2], [7, 6, 3], [9, 0], [8, 4]] Which is a partition into stable sets ( no repeated element, no missing one ).. and is of cardinal 4 ! ;-) Thank you for your help,

[sage-devel] Sage organizational structure, AWOL people

Hi, There is an article on slashdot today about the CentOS project admin being AWOL: http://linux.slashdot.org/story/09/07/30/130249/CentOS-Project-Administrator-Goes-AWOL?art_pos=4 * "Lance Davis, the main project administrator for CentOS, a popular free 'rebuild' of Red Hat's Enterprise Linux,

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

Ooops, then it is another of my mistakes... I'm checking and I tell you ;-) Thanks !!! On Jul 30, 6:38 pm, Robert Miller wrote: > On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer wrote: > > > As an aside, maybe the graph6 format doesn't work so well in Trac? The > > back-ticks seem to have disappear

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Thu, Jul 30, 2009 at 9:27 AM, Rob Beezer wrote: > > As an aside, maybe the graph6 format doesn't work so well in Trac? The > back-ticks seem to have disappeared, leading to quite a different > graph.  ;-) Never trust graph6 string conversion -- almost every bad character is legal! > Rob --

Fwd: [sage-devel] Developing new classes

Dear Victor, I'm forwarding your email to sage-combinat-devel since that group is going to eventually want to create modules over finite groups. They may even have some experimental code already. Take care, Franco -- -- Forwarded message -- From: VictorMiller Date: Tue, Jul 28

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Jul 30, 5:41 am, Nathann Cohen wrote: > Trying to write a Linear Program version of the coloring problem, I > found a graph ( pure luck, it was a RandomGNP ) for which the > functions chromatic_number() and coloring() return a wrong value. > > sage: h=Graph(":I`ASWCaG`WaJC{afP") > sage: h.chro

[sage-devel] Re: How to get rid of valgrind?

Personally, I'd recommend making valgrind builds separate from regular builds. The use case is, install Sage with this spkg with special build flags, so that you get a Sage good for valgrinding. I would suspect that this version compiles with -O0, for example. On Wed, Jul 29, 2009 at 7:38 AM, Sim

[sage-devel] Re: status of OS X 64-bit OS X support

On Thu, Jul 30, 2009 at 4:22 AM, Michael Brickenstein wrote: > > I just tried a new clean Sage 4.1.0 installation, everything > unmodified > using your 64 bit Mac OS X intel binary. > The same error as before (I always used your binary, > I don't have difficulties to make use of my laptops CPU cyc

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

The graph is defined in the previous message ! ;-) sage: h=Graph(":I`ASWCaG`WaJC{afP") You can obtain a string describing a graph by using the Graph.graph6_string method. Pretty useful ! And this ticket you mentionned is there : http://trac.sagemath.org/sage_trac/ticket/6660 ;-) Nathann This

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

On Jul 30, 2009, at 5:41 AM, Nathann Cohen wrote: > > Hello !! > > Trying to write a Linear Program version of the coloring problem, I > found a graph ( pure luck, it was a RandomGNP ) for which the > functions chromatic_number() and coloring() return a wrong value. > > sage: h=Graph(":I`ASWCaG`W

[sage-devel] Error in Graph.chromatic_number() and Graph.coloring()

Hello !! Trying to write a Linear Program version of the coloring problem, I found a graph ( pure luck, it was a RandomGNP ) for which the functions chromatic_number() and coloring() return a wrong value. sage: h=Graph(":I`ASWCaG`WaJC{afP") sage: h.chromatic_number() 4 sage: h.coloring() [[6, 8]

[sage-devel] Re: Sage 4.1.1.rc0 released

Hi, at least these lines (and there are others): ** File "/home/mvngu/usr/bin/sage/devel/sage-main/sage/interfaces/ sage0.py", line 320: sage: sage0.eval('2+2') Expected: '4' Got: '\x1b[0m' **

[sage-devel] Re: status of OS X 64-bit OS X support

I just tried a new clean Sage 4.1.0 installation, everything unmodified using your 64 bit Mac OS X intel binary. The same error as before (I always used your binary, I don't have difficulties to make use of my laptops CPU cycles). gcc --version i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc

[sage-devel] Re: Sage 4.1.1.rc0 released

On Thu, Jul 30, 2009 at 1:14 PM, Minh Nguyen wrote: > Hi folks, > > This is the first release candidate for Sage 4.1.1. Source and binary are at The following doctests failed on Ubuntu 9.04: *** Begin system info *** [mv...@darkstar sage]$ cat /proc/cpuinfo processor : 0 vendor_id :