Re: [sage-devel] Sage Tutorial at Amazon.com

2010-04-14 Thread David Joyner
the server will accept the new pdf file I uploaded and I'll get another proof copy in a week or so and I can approve that. On Sat, Apr 10, 2010 at 8:28 AM, David Joyner wdjoy...@gmail.com wrote: On Sat, Apr 10, 2010 at 7:04 AM, David Joyner wdjoy...@gmail.com wrote: Just to summarize what I

Re: [sage-devel] Sage Tutorial at Amazon.com

2010-04-10 Thread David Joyner
On Sat, Apr 10, 2010 at 6:01 AM, David Joyner wdjoy...@gmail.com wrote: On Fri, Apr 9, 2010 at 10:31 PM, Erik Lane erikl...@gmail.com wrote: Heck, Amazon still has the 3.0 version of the tutorial on sale brand new from them. Not to say that that's any better, but they're both still being

Re: [sage-devel] Sage Tutorial at Amazon.com

2010-04-10 Thread David Joyner
On Sat, Apr 10, 2010 at 7:04 AM, David Joyner wdjoy...@gmail.com wrote: Just to summarize what I just did: We used to use latex files, now we use rest/sphinx. Using ./sage -docbuild tutorial latex I created the latex files. Then I followed John's suggestions in http://www.mail-archive.com

Re: [sage-devel] Re: If using a computer to do your math homework is like copying

2010-04-04 Thread David Joyner
On Sun, Apr 4, 2010 at 1:01 PM, Alec Mihailovs alec.mihail...@gmail.com wrote: On Apr 4, 11:22 am, rjf fate...@gmail.com wrote: (followup could be done at the MIT page, here, or Sage-flame, or is there a list for educational applications of Sage??) I forwarded that to

Re: [sage-devel] Re: with patch; needs review

2010-04-02 Thread David Joyner
I can try to test these at least. On Fri, Apr 2, 2010 at 3:25 PM, Nathann Cohen nathann.co...@gmail.com wrote: Hello everybody ! If anybody has a few seconds, these patchs contain something like 5 lines each and require no specific knowledge : http://trac.sagemath.org/sage_trac/ticket/8639

Re: [sage-devel] News Update..!

2010-03-29 Thread David Joyner
Spammer. I've just banned him. On Mon, Mar 29, 2010 at 7:22 AM, votre votre.vo...@gmail.com wrote: if you can not access a website or in your school office and there is a blocked website, you can access a blocked website by using this website. http://refinanceroxy.co.cc  or  

Re: [sage-devel] Re: desolve problems

2010-03-28 Thread David Joyner
On Sun, Mar 28, 2010 at 10:46 AM, yuri.k yuri.karadz...@gmail.com wrote: On Mar 28, 4:23 pm, ma...@mendelu.cz ma...@mendelu.cz wrote: I got some problems after installing the patch, see the comment at trac.sagemath.org I added new file sage/symbolic/mtype.py - which is symbolic module. (it

Re: [sage-combinat-devel] Happy Ada Lovelace Day

2010-03-25 Thread David Joyner
On Thu, Mar 25, 2010 at 4:15 AM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, I apologize for this belated celebration note. March 24th of each year is observed as Ada Lovelace Day [1]. It is an international celebration of the achievements of women in science and technology. The

Re: [sage-devel] Piecewise functions don't seem to plot, evaluate, or differentiate very well

2010-03-25 Thread David Joyner
You could try sage: R.x = QQ[] sage: f1 = x sage: f2 = R(1) sage: f = Piecewise([[(0,1),f1],[(1,2),f2]]) sage: f.plot() sage: f(3/2) 1 or sage: f1 = lambda x: x sage: f2 = lambda x: 1 sage: f = Piecewise([[(0,1),f1],[(1,2),f2]]) sage: f(3/2) 1 sage: f.plot() or sage: x = var(x) sage:

Re: [sage-devel] Re: desolve problems

2010-03-23 Thread David Joyner
On Tue, Mar 23, 2010 at 10:56 AM, yuri.k yuri.karadz...@gmail.com wrote: Actually I finished the improvements I mentioned. And even more - I developed simple type checking and function which return subexpression of given expression by given symbolic type. Thank you for your work. But I

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] Annual Spies Prize Winner Announced!

2010-03-21 Thread David Joyner
Congratulations Minh! On Sun, Mar 21, 2010 at 2:14 PM, 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.

Re: [sage-devel] Re: SAGE in abstract algebra class

2010-03-12 Thread David Joyner
On Fri, Mar 12, 2010 at 9:14 AM, John Cremona john.crem...@gmail.com wrote: On 12 March 2010 14:01, David Kohel drko...@gmail.com wrote: Hi Nicolas, The list sage-nt was set up to have a lower volume and lower noise forum for sage-devel issues with mathematical (number theoretic) interest.

Re: [sage-devel] Groups in Sage, libgap

2010-03-08 Thread David Joyner
Awesome Mike - thanks for working on this! On Mon, Mar 8, 2010 at 6:58 PM, Mike OS mosul...@math.sdsu.edu wrote: I have some funding from my university to develop materials in SAGE for use in my classes. The focus of the project is developing educational materials but we'd also like to  

Re: [sage-devel] Cayley tables, Operation tables

2010-03-05 Thread David Joyner
On Fri, Mar 5, 2010 at 12:04 AM, Rob Beezer goo...@beezer.cotse.net wrote: Cayley tables for groups aren't working properly (http:// trac.sagemath.org/sage_trac/ticket/7340), so I've taken this as an excuse to write some new code for a more general object I've been calling an operation table.

[sage-devel] Re: Bipartite graphs in Sage

2010-02-27 Thread David Joyner
First, you should pay more attention to what Robert Miller says instead of me, since he knows the code much much better. I'm cc'ing this back to sage-devel; hope you don't mind. There are several places where bipartite graphs differ (at least in the literature) from regular graphs. For example,

Re: [sage-devel] Re: Bipartite graphs in Sage

2010-02-27 Thread David Joyner
On Sat, Feb 27, 2010 at 2:54 PM, Jason Grout jason-s...@creativetrax.com wrote: On 02/27/2010 01:41 PM, Rob Beezer wrote: On Feb 27, 6:37 am, David Joynerwdjoy...@gmail.com wrote: There are several places where bipartite graphs differ (at least in the literature) from regular graphs. For

Re: [sage-devel] Re: Bipartite graphs in Sage

2010-02-27 Thread David Joyner
On Sat, Feb 27, 2010 at 2:41 PM, Rob Beezer goo...@beezer.cotse.net wrote: On Feb 27, 6:37 am, David Joyner wdjoy...@gmail.com wrote: There are several places where bipartite graphs differ (at least in the literature) from regular graphs. For example, usually the bipartite graph's adjacency

Re: [sage-devel] Re: Bipartite graphs in Sage

2010-02-27 Thread David Joyner
There was some discussion several years ago about what this should be called. I believe this term came from Richard Brualdi's combinatorial matrix theory book (I remember running down the hall to my advisor's office to look it up! :), but my memory may be inaccurate. You remember

Re: [sage-devel] New sage wiki page for animations

2010-02-27 Thread David Joyner
Thank you for doing this! Also, you added a link from [2] to [1] for those commands that you moved. Well done, IMHO. On Sat, Feb 27, 2010 at 6:43 PM, slabbe sla...@gmail.com wrote: Hello sage-devel, Just to make you know that I created a new page [1]  on the sage wiki to include animations

[sage-devel] Re: Bipartite graphs in Sage

2010-02-27 Thread David Joyner
On Sat, Feb 27, 2010 at 8:07 PM, Ryan Hinton iob...@email.com wrote: Actually, I've considered dropping back to the Graph class.  I'm working with error correcting codes whose decoding algorithms are naturally described as message passing on an associated graph (LDPC codes).  And the

Re: [sage-devel] BipartiteGraph status

2010-02-26 Thread David Joyner
This is an interesting post. A few informal comments below. On Fri, Feb 26, 2010 at 12:05 PM, Ryan Hinton iob...@email.com wrote: I'm having a lovely conversation with myself in the comments for trac #8350 that I want to share. :-) There are two related problems. 1.  The current

Re: [sage-devel] Re: GSOC

2010-02-25 Thread David Joyner
On Wed, Feb 24, 2010 at 6:51 PM, Nils Bruin nbr...@sfu.ca wrote: On Feb 24, 2:48 pm, William Stein wst...@gmail.com wrote: What happened last year, by the way, was that several people wanted to write a GSOC application.  However, nobody volunteered to mentor any Sage-related GSOC projects at

Re: [sage-devel] Re: incidence matrix of undirected graph should not have entries with -1

2010-02-25 Thread David Joyner
On Thu, Feb 25, 2010 at 7:24 AM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi Martin, On Thu, Feb 25, 2010 at 6:45 AM, Martin Rubey martin.ru...@math.uni-hannover.de wrote: SNIP At least from one point of view it makes sense to make such a choice: when you do, the incidence matrix times

Re: [sage-devel] Re: Sage 4.3.3.alpha1 released

2010-02-19 Thread David Joyner
Also, build from source went fine and all tests passed on a 10.6.2 mac. On Fri, Feb 19, 2010 at 2:08 PM, mhampton hampto...@gmail.com wrote: All tests passed on an upgrade from the alpha0, on a 10.6.2 mac. -Marshall -- To post to this group, send an email to sage-devel@googlegroups.com To

Re: [sage-devel] Re: Vote on bugs to be fixed for sage-4.4 stabilization release.

2010-02-13 Thread David Joyner
I agree with Robert's vote. On Sat, Feb 13, 2010 at 5:43 PM, Robert Miller r...@rlmiller.org wrote: Graphs plot with their most outward vertices chopped off. I think I can remember this getting fixed three, maybe four times. I fixed it myself once, and refereed at least one other fix.

Re: [sage-devel] ready for upgrade to GAP 4.4.12

2010-02-11 Thread David Joyner
On Wed, Feb 10, 2010 at 9:48 AM, Dima Pasechnik dimp...@gmail.com wrote: Dear all, I have just created track ticket #8229, that completes the task of upgrading gap.spkg (ticket #8076) and patching the relevant parts of devel/sage/ (ticket #8150) by also upgrading gap_packages.spkg Please

Re: [sage-devel] Re: MPIR and GMP

2010-02-08 Thread David Joyner
On Mon, Feb 8, 2010 at 5:16 PM, Dr. David Kirkby david.kir...@onetel.net wrote: Georg S. Weber wrote: ... either version 2 of the License, or (at your option) any later version ... Someone reviewed something I wrote for Sage, which I'd marked as GPL 2. They wanted added or (at your option)

Re: [sage-devel] Life's a Beach: Google Summer of Code and the Abelian Sandpile Model

2010-02-05 Thread David Joyner
Interesting. Thanks for this link Harald. On Fri, Feb 5, 2010 at 12:44 PM, Harald Schilly harald.schi...@gmail.com wrote: Life's a Beach: Google Summer of Code and the Abelian Sandpile Model ... and an interface to the free open-source mathematical software, Sage, in particular with David

Re: [sage-devel] newbie: how to update a patch

2010-02-03 Thread David Joyner
On Wed, Feb 3, 2010 at 5:50 AM, Dima Pasechnik dimp...@gmail.com wrote: I need to issue updates to the patch on a trac ticket I issued. What is the correct mode of operation: open a new ticket referring to this one? --- clear how to proceed make a new patch replacing the present one? --- I

Re: [sage-devel] Sage 4.3.2.alpha1 released

2010-02-02 Thread David Joyner
On Mon, Feb 1, 2010 at 3:03 AM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, This is a rather quick release since Sage 4.3.2.alpha0. The original plan was for Sage 4.3.2 to be out a few days before Sage Days 20. However, the schedule for the final release has been shifted [1] to

Re: [sage-devel] abs() for (very) long integers?

2010-02-02 Thread David Joyner
On Tue, Feb 2, 2010 at 9:26 PM, Dima Pasechnik dimp...@gmail.com wrote: ...    sage: abs(M.determinant()) Expected:    712483534798848 Got:    7.12483534798848e14 I vaguely remember that M.det() is only well-defined up to sign. You could rewrite the test to avoid abs, but I'm wondering if

Re: [sage-devel] Sage Web Service / UI

2010-01-30 Thread David Joyner
On Sat, Jan 30, 2010 at 4:58 AM, Ivan Andrus darthand...@gmail.com wrote: On Jan 30, 2010, at 2:38 AM, William Stein wrote: ... The person making the spkg made it incorrectly. Put the relevant sources in a directory of the form              package_name-version_number then type    sage

Re: [sage-devel] Re: #8044: Categories for finite/permutation/symmetric groups

2010-01-30 Thread David Joyner
On Sat, Jan 30, 2010 at 7:22 PM, Nicolas M. Thiery nicolas.thi...@u-psud.fr wrote: On Sat, Jan 30, 2010 at 12:59:02AM +0100, Nicolas M. Thiery wrote: Pushed by an example of Sébastien, I just worked a bit further to make matrix groups use categories. In particular:       sage: G = GL(2,GF(3))

Re: [sage-devel] Sage Web Service / UI

2010-01-29 Thread David Joyner
On Fri, Jan 29, 2010 at 7:53 AM, Ivan Andrus darthand...@gmail.com wrote: On Jan 29, 2010, at 7:37 AM, Robert Bradshaw wrote: The issue is that the Sage window is mixed up with all the other browser windows, with irrelevant menu items, doesn't have its own icon in the dock, and the Sage

Re: [sage-devel] #8044: Categories for finite/permutation/symmetric groups

2010-01-29 Thread David Joyner
On Fri, Jan 29, 2010 at 5:00 AM, Nicolas M. Thiery nicolas.thi...@u-psud.fr wrote: On Thu, Jan 28, 2010 at 12:32:48PM -0500, David Joyner wrote: Just generally speaking, I appreciate very much any cleaning up of this category of Sage objects. To me, it makes things more natural and hopefully

Re: [sage-devel] Sage Web Service / UI

2010-01-29 Thread David Joyner
, 2010 at 3:50 PM, Ivan Andrus darthand...@gmail.com wrote: On Jan 29, 2010, at 7:27 PM, David Joyner wrote: On Fri, Jan 29, 2010 at 7:53 AM, Ivan Andrus darthand...@gmail.com wrote: On Jan 29, 2010, at 7:37 AM, Robert Bradshaw wrote: The issue is that the Sage window is mixed up with all the other

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-28 Thread David Joyner
On Thu, Jan 28, 2010 at 6:31 AM, Alex Ghitza aghi...@gmail.com wrote: ... So after all this I'm still not sure what the right fix is.  If GAP often gives us the characters in an order that's standard (e.g. following the Atlas), then of course it would be rather annoying for Sage to sort the

Re: [sage-devel] #8044: Categories for finite/permutation/symmetric groups

2010-01-28 Thread David Joyner
Just generally speaking, I appreciate very much any cleaning up of this category of Sage objects. To me, it makes things more natural and hopefully makes it easier to add functionality in an organized way in the future. I haven't used Cayley graphs much and so don't have a specific comment on

[sage-devel] Re: Sage 4.3.2.alpha0 test failure on macOS 10.6.2

2010-01-27 Thread David Joyner
Installedfine on imac running 10.6.2. However, I got The following tests failed: sage -t devel/sage/sage/rings/polynomial/multi_polynomial_libsingular.pyx sage -t devel/sage/sage/structure/element_wrapper.py # Segfault Details: jeeves:sage-4.3.2.alpha0 wdj$ ./sage -t

Re: [sage-devel] Re: Sage 4.3.2.alpha0 test failure on macOS 10.6.2

2010-01-27 Thread David Joyner
On Wed, Jan 27, 2010 at 1:51 PM, Florent Hivert florent.hiv...@univ-rouen.fr wrote:      Hi, jeeves:sage-4.3.2.alpha0 wdj$ ./sage -t devel/sage/sage/structure/element_wrapper.py sage -t  devel/sage/sage/structure/element_wrapper.py A mysterious error (perhaps a memory error?) occurred, which

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-26 Thread David Joyner
On Tue, Jan 26, 2010 at 5:58 AM, Alex Ghitza aghi...@gmail.com wrote: On Tue, 26 Jan 2010 02:42:14 -0800 (PST), Dima Pasechnik dimp...@gmail.com wrote: my objection is that in order for your patch not to break things, you also have to patch irreducible_characters() in

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-26 Thread David Joyner
On Tue, Jan 26, 2010 at 6:27 AM, Alex Ghitza aghi...@gmail.com wrote: On Tue, 26 Jan 2010 06:19:16 -0500, David Joyner wdjoy...@gmail.com wrote: What Dima means is that the ordering returned by the character must of course agree with the internal ordering of the conjugacy classes. I assume

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-26 Thread David Joyner
is fixed, are these orderings in the character table library. (and whenever applicable, they can be matched to the orderings used in Atlas of Finite Groups (the big red book...)) Dima On Jan 26, 8:38 pm, David Joyner wdjoy...@gmail.com wrote: On Tue, Jan 26, 2010 at 6:27 AM, Alex Ghitza aghi

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-25 Thread David Joyner
I totally agree with what Alex said. Also, you could try installing the gap skpg's (gap-packages* and database_gap*) at http://www.sagemath.org/packages/optional/ and then try sage -t -optional devel/sage/sage/groups On Mon, Jan 25, 2010 at 6:52 AM, Alex Ghitza aghi...@gmail.com wrote: On

Re: [sage-devel] gap vs guava - why was it merged?

2010-01-24 Thread David Joyner
On Sun, Jan 24, 2010 at 6:07 AM, Dima Pasechnik dimp...@gmail.com wrote: while looking into updating gap to 4.4.12, I noticed that guava used to be a separate spkg depending on gap. Then it got merged with gap for no apparent to me reason. http://trac.sagemath.org/sage_trac/ticket/3337

Re: [sage-devel] Re: gap vs guava - why was it merged?

2010-01-24 Thread David Joyner
spkg just takes it out. I did take it out when I created the 4.4.12 version of the spkg some time ago. (You know the story about sage and gap-4.4.12 ...) I guess the next person making up the gap-4.4.12 spkg will leave out guava then. On Jan 24, 10:27 pm, David Joyner wdjoy...@gmail.com wrote

Re: [sage-devel] hosting the release note generation script on bitbucket.org

2010-01-23 Thread David Joyner
On Sat, Jan 23, 2010 at 5:40 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, In view of the recent problems with the Sage cluster (e.g. [1]), I'm taking precaution to host [2] the script I use to manage the Sage publications database on bitbucket.org. If Mike Hansen would prefer this

Re: [sage-devel] hosting the release note generation script on bitbucket.org

2010-01-23 Thread David Joyner
On Sat, Jan 23, 2010 at 7:58 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi David, On Sun, Jan 24, 2010 at 11:26 AM, David Joyner wdjoy...@gmail.com wrote: SNIP Of course I have no objection since I know little about bitbucket but why is this less work that some other option I have had

Re: Re: [sage-devel] TOO LONG!

2010-01-21 Thread David Joyner
On Thu, Jan 21, 2010 at 7:20 AM, Martin Albrecht m...@informatik.uni-bremen.de wrote: On Thursday 21 January 2010, David Joyner wrote: I have run some of these tests on an imac running 10.6.2 in sage 4.3.1 (sage-4.3.1.a5, to be precise) and got what seems to be much shorter times (see below

Re: [sage-devel] TOO LONG!

2010-01-19 Thread David Joyner
I am one of them, sorry! I'll try to look at this went I get some time. I'm teaching a new course this semester which is taking a lot of prep... http://www.usna.edu/Users/math/wdj/teach/sm450.html On Tue, Jan 19, 2010 at 4:54 PM, Robert Miller r...@rlmiller.org wrote: It's time to point our

Re: [sage-devel] proposal to remove dsage from sage

2010-01-18 Thread David Joyner
On Mon, Jan 18, 2010 at 7:47 AM, William Stein wst...@gmail.com wrote: Hello, I officially propose removing DSage from the Sage distribution. Why?   1. Nobody has worked on the code for years.   2. The guy who originally worked on the code is gone, and can't work on the code even if he

Re: [sage-devel] Multivariate polynomial fitting

2010-01-14 Thread David Joyner
On Thu, Jan 14, 2010 at 6:26 AM, Nathann Cohen nathann.co...@gmail.com wrote: Hello everybody I have had to write a function for something which may be called multivariate polynomial fitting. Let's say you have a polynomial in several variables (ex 2) of degree (ex 2). It has the

Re: [sage-devel] Re: Implementation of conjugacy classes

2010-01-10 Thread David Joyner
On Sun, Jan 10, 2010 at 6:04 AM, javier vengor...@gmail.com wrote: This is now Ticket #7890: http://trac.sagemath.org/sage_trac/ticket/7890 Thanks for volunteering to work on this, Dmitri! It would be awesome to be able to access all that gap functions from sage. Skimming a bit at the

[sage-devel] new GAP spkg?

2010-01-09 Thread David Joyner
IMHO, this conversation should be a new thread, on sage-devel not on sage-support. (It was [sage-support] SAGE and .NET interoperability. ) On Sat, Jan 9, 2010 at 1:24 AM, Dima Pasechnik dimp...@gmail.com wrote: By the way, anything new about moving to the newest GAP version? Somebody

Re: [sage-devel] Re: Conjugacy classes: Sage vs GAP

2010-01-08 Thread David Joyner
On Fri, Jan 8, 2010 at 11:55 AM, javier vengor...@gmail.com wrote: Hi all, I have been working on this and after a while decided that my original approach wasn't the most appropriate and started rewriting everything for scratch. After thinking about this problem making conjugacy_class a

Re: [sage-devel] graph development

2010-01-06 Thread David Joyner
At some point I want to implement several graph-theoretic constructions for work I hope to get funded for over the summer, so I will wait until this patch is incorporated. They are (1) the Havel-Hakimi construction (given a graphical degree sequence, construct a graph having those degrees) (2)

Re: [sage-devel] graph development

2010-01-06 Thread David Joyner
On Wed, Jan 6, 2010 at 4:06 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi David, On Thu, Jan 7, 2010 at 7:27 AM, David Joyner wdjoy...@gmail.com wrote: At some point I want to implement several graph-theoretic constructions for work I hope to get funded for over the summer, so I will wait

Re: [sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2009-12-30 Thread David Joyner
On Wed, Dec 30, 2009 at 12:06 AM, Jason Grout jason-s...@creativetrax.com wrote: David Joyner wrote: On Tue, Dec 29, 2009 at 10:35 PM, Jason Grout jason-s...@creativetrax.com wrote: ... I guess the situation changes if some example code from the document is actually incorporated into Sage

Re: [sage-devel] Could a few people test this Solaris Sage server?

2009-12-22 Thread David Joyner
On Tue, Dec 22, 2009 at 8:08 PM, Dr. David Kirkby david.kir...@onetel.net wrote: I've just set this Sage 4.2.1 server up. It's on my home computer, on a slow network, so performance wont be great. The machine is also 8 years old, so don't expect miracles from it! It is running on Solaris 10

Re: [sage-devel] Could a few people test this Solaris Sage server?

2009-12-22 Thread David Joyner
On Tue, Dec 22, 2009 at 9:52 PM, William Stein wst...@gmail.com wrote: On Tue, Dec 22, 2009 at 6:45 PM, David Joyner wdjoy...@gmail.com wrote: On Tue, Dec 22, 2009 at 8:08 PM, Dr. David Kirkby http://213.78.42.15:8000 I'd just be interested if it functional. Not for me. I got

Re: [sage-devel] A bug in symbolic computations

2009-12-17 Thread David Joyner
On Thu, Dec 17, 2009 at 9:10 AM, Nathann Cohen nathann.co...@gmail.com wrote: Hello everybody !!! As usual, as I do not know how to report such bugs, I prefer to send an email here and trust you :-) I happened to type in sage : var('i j k l p') e=(2*i+s+t)/((i+s)*(i+t))(2*i+q)/(i*(i+q))

Re: [sage-devel] tutorial on Python functional programming for mathematicians

2009-12-13 Thread David Joyner
On Sat, Dec 12, 2009 at 11:09 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi David, On Sun, Dec 13, 2009 at 11:20 AM, David Joyner wdjoy...@gmail.com wrote: SNIP I think this would fit nicely in the constructions document. Adding an example of how to use map for Sage matrices might

Re: [sage-devel] Implementing error-correction Golay codes

2009-12-12 Thread David Joyner
On Sat, Dec 12, 2009 at 10:35 AM, Gerard Bosch gerard.bo...@gmail.com wrote: Hello, First of all I have to say that I'm newbie with Sage. And I read that it's a good idea to start a disscusion here in order to implement new functionalities in Sage. I'm working with the implementation of the

Re: [sage-devel] tutorial on Python functional programming for mathematicians

2009-12-12 Thread David Joyner
On Sat, Dec 12, 2009 at 7:02 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, I have written a draft of a tutorial on functional programming for mathematicians. The tutorial is available on the Sage wiki [1], but you could also find it at Wordpress [2]. This is a redundancy measure in

Re: [sage-devel] A strang bug with Piecewise/integral/plot

2009-12-09 Thread David Joyner
I don't know. I think Paul Butler wrote that function. Maybe he knows? On Wed, Dec 9, 2009 at 9:20 AM, Philippe Saade psa...@gmail.com wrote: Hello Folks, This works == var('x') f1(x) = 2 f2(x) = 4-x f3(x) = exp(x)/10 f4(x) = sin(2*x) f =

Re: [sage-devel] thesis and talk about Sage

2009-12-07 Thread David Joyner
On Mon, Dec 7, 2009 at 7:38 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, I have uploaded my BSc Honours thesis [1] to the Sage website. You can also find my thesis at my website [2]. The Sage publications [3] page Thanks for posting this Minh, I'm looking forward to printing this

Re: [sage-devel] Re: deep copy vs. shallow copy

2009-12-06 Thread David Joyner
On Sun, Dec 6, 2009 at 9:22 AM, Nathann Cohen nathann.co...@gmail.com wrote: Hmmm... I'm very sorry but I do not know what deep/shallow copies are nor what they mean in Sage... Is there any page you could point me to ? http://docs.python.org/library/copy.html I don't think Sage modifies this

Re: [sage-devel] xmas greetings

2009-12-05 Thread David Joyner
We had this http://wiki.sagemath.org/pics#p-adicSeasonsGreetings once. I'm not suggesting it go on the main page, but something like this could be done again. If someone does do something like this, please post to the sage google groups, since I'd like to see what you've done. On Sat, Dec 5,

Re: [sage-devel] 3 short reviews in Graph Theory before the final version !

2009-12-04 Thread David Joyner
In about a week, I'll (finally!) have much much more time to do some Sage reviews. I guess it will be too late for 4.3 by then, but I'll start to work on refereeing some of your patches after next week if no one beats me to them. On Fri, Dec 4, 2009 at 3:52 AM, Nathann Cohen

Re: [sage-devel] Why Is It Essential To Keep An Updated Resume!!!!!!!!!!!!!!!!!!!

2009-11-30 Thread David Joyner
I've just banned this person. I can't find the message, so I guess another moderator deleted it already. Sorry for the spam. On Mon, Nov 30, 2009 at 10:28 AM, Shoaib Khan shoaib...@gmail.com wrote: Why Is It Essential To Keep An Updated Resume!!! Just check it out guys.

Re: [sage-devel] Sage Development Prize - could be misleading.

2009-11-28 Thread David Joyner
On Sat, Nov 28, 2009 at 8:41 PM, Dr. David Kirkby david.kir...@onetel.net wrote: Perhaps it's me, but reading http://www.sagemath.org/development-prize.html I believe someone could easily get the impression that Michael Hansen was 'runner up' with 'second prize' and Michael Abshof was the

Re: [sage-devel] Last call for reviews

2009-11-25 Thread David Joyner
Actually, this is related to stuff I need to learn for some summer research I hope to get next summer. Can you give some references which I can read which have the background on the algorithms you implement? For example, a book on algorithmic graph theory? I didn't see references cited in the

Re: [sage-devel] Re: Last call for reviews

2009-11-25 Thread David Joyner
On Wed, Nov 25, 2009 at 8:08 AM, Nathann Cohen nathann.co...@gmail.com wrote: This series of 3 books probably contains everything of the graph theory available in Sage for the moment. It also certainly contains I guess I'm missing something. What series of 3 books? things that I would like

[sage-devel] fricas ticket 6517

2009-11-19 Thread David Joyner
-- Forwarded message -- From: Martin Rubey martin.ru...@math.uni-hannover.de Date: Thu, Nov 19, 2009 at 8:42 AM Subject: [SAGEdev] fricas ticket 6517 To: sage-devel sage-de...@lists.sourceforge.net Ralf asked me to try the latest fricas spkg, so I did.  It installs fine (after

[sage-devel] Re: Fwd: 3d mandelbrot

2009-11-16 Thread David Joyner
Thanks for posting. Those images are really amazing! On Mon, Nov 16, 2009 at 7:44 AM, Bill Hart goodwillh...@googlemail.com wrote: Forwarded on behalf of Jason Moxham -- Forwarded message -- From: Jason Moxham ja...@njkfrudils.plus.com Date: 2009/11/16 Subject: Fwd: 3d

[sage-devel] Re: great documentation is key to open source success

2009-11-14 Thread David Joyner
On Sat, Nov 14, 2009 at 5:39 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, Here is a series of blog posts on writing documentation for an open source project. The project in question is Django. The first part [1] in the series covers what sort of documentation an open source

[sage-devel] Re: SageWorldMath.blip.TV

2009-11-11 Thread David Joyner
Thank you! Very nice job. On Wed, Nov 11, 2009 at 3:22 PM, Serge A. Salamanka salsa-...@tut.by wrote: I started to post videos from Sage Days 16 on blip.tv: http://sageworldmath.blip.tv/ #Serge William Stein wrote: On Tue, Aug 4, 2009 at 2:57 AM, Serge A. Salamanka salsa-...@tut.by

[sage-devel] Re: Should trac has a 'report upstream' pull-down?

2009-11-04 Thread David Joyner
I think this is a good idea too. It would help William and others compile statistics about how Sage is helping/interacting with other projects in the open course math software community. On Mon, Nov 2, 2009 at 9:35 AM, Dr. David Kirkby david.kir...@onetel.net wrote: It's clear that Sage,

[sage-devel] Re: talk about sage and algebra

2009-11-03 Thread David Joyner
On Tue, Nov 3, 2009 at 9:44 AM, Alex Ghitza aghi...@gmail.com wrote: Hi, I'll give a 25-minute talk on doing algebra in Sage, at the Victorian Algebra Conference in about 36 hours. I decided to just use a notebook worksheet this time, which you are invited to check out at

[sage-devel] Re: nodes are chopped off when plotting graphs

2009-11-02 Thread David Joyner
Yes, I can confirm this in mac os 10.6. It appears you can eliminate this problem using the talk=True option. On Mon, Nov 2, 2009 at 5:46 PM, Harald Schilly harald.schi...@gmail.com wrote: This problem was reported via the report a problem link: nodes are chopped off when plotting graphs

[sage-devel] Re: of Google Groups and spam

2009-11-01 Thread David Joyner
On Sun, Nov 1, 2009 at 3:09 PM, Peter Jeremy peterjer...@acm.org wrote: On 2009-Oct-31 19:58:21 -0700, Ondrej Certik ond...@certik.cz wrote: through. Let me know if you know something better than google groups. Why not host the mailing list in house? We have a domain name and access to

[sage-devel] Re: Some Design Theory in Sage

2009-10-31 Thread David Joyner
On Sat, Oct 31, 2009 at 5:06 PM, Rob Beezer goo...@beezer.cotse.net wrote: On Oct 31, 3:06 am, Carlo Hamalainen carlo.hamalai...@gmail.com wrote: I've used Nauty on Linux for a few years with no problems. It's a bit of a shame that the license isn't BSD/GPL because it's a great package.

[sage-devel] Re: Reviews needed in Graph Theory !

2009-10-31 Thread David Joyner
On Sat, Oct 31, 2009 at 5:24 PM, Nathann Cohen nathann.co...@gmail.com wrote: Hello everybody !! I am writing about two tickets in Graph Theory that really need reviews... They have been standing there for some time (something like 3 months !!!), and I wouldn't mind so much if it was not for

[sage-devel] Re: of Google Groups and spam

2009-10-30 Thread David Joyner
Thanks for posting these. Very interesting, IMHO. On Fri, Oct 30, 2009 at 6:09 AM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi folks, Just in case you're wondering why spam mails got through occasionally, here are some stories that present the moderator's side:

[sage-devel] Re: Fwd: [libsingular-devel] Riemann-Roch computations in the Brill-Noether routines

2009-10-30 Thread David Joyner
, this deals with the problem in SINGULAR's brnoeth.lib you have reported some time ago; see the below snippet from a mail from William Stein to David Joyner. As far as we understand correctly, the problem seems to be that SAGE wants to have stable results when calling this piece of SINGULAR

[sage-devel] Re: trac component ownership

2009-10-29 Thread David Joyner
On Thu, Oct 29, 2009 at 2:56 AM, William Stein wst...@gmail.com wrote: Hi, Here are the trac components with who owns each.  It's possible that many of these are dated/wrong/silly at this point.  If anybody would like to suggest changes, volunteer to own a component, etc., just respond in

[sage-devel] Re: sage-4.2.1

2009-10-29 Thread David Joyner
I'll review http://trac.sagemath.org/sage_trac/ticket/6479 On Thu, Oct 29, 2009 at 10:30 AM, William Stein wst...@gmail.com wrote: Hi, There are only 29 tickets with posittive review, which isn't quite enough to make a release:      http://trac.sagemath.org/sage_trac/report/11

[sage-devel] Re: numerical integration

2009-10-27 Thread David Joyner
On Tue, Oct 27, 2009 at 7:31 PM, Jason Grout jason-s...@creativetrax.com wrote: ... What about nintegrate/nintegral?  We don't have these now (as top-level functions), but they would mirror nicely the integral/integrate commands.  Should we only define one of them? Is integral_numerical

[sage-devel] Re: PIL -- new python imaging library

2009-10-25 Thread David Joyner
On Sun, Oct 25, 2009 at 1:05 PM, William Stein wst...@gmail.com wrote: Hi Sage-Devel, ...  5. I try again from scratch with a.thumbnail((int(1000),int(1000))) to force plane Python ints.  This works: sage: import Image sage: a = Image.open('huge.png') sage: time

[sage-devel] Re: Nonabelian group of order 12

2009-10-24 Thread David Joyner
On Wed, Oct 21, 2009 at 1:35 AM, Rob Beezer goo...@beezer.cotse.net wrote: Hi David, Thanks for the comments.  The Quaternion Group Wikipedia page seems to differ substantially with the Dicyclic Group page: http://en.wikipedia.org/wiki/Dicyclic_group which says: More generally, when n

[sage-devel] Re: Nonabelian group of order 12

2009-10-24 Thread David Joyner
I gave it a positive review. On Sun, Oct 18, 2009 at 10:18 PM, Rob Beezer goo...@beezer.cotse.net wrote: There's an implementation of the dicyclic groups up now at http://trac.sagemath.org/sage_trac/ticket/7244 Rob --~--~-~--~~~---~--~~ To post to this

[sage-devel] Re: Nonabelian group of order 12

2009-10-20 Thread David Joyner
On Mon, Oct 19, 2009 at 1:18 AM, Rob Beezer goo...@beezer.cotse.net wrote: There's an implementation of the dicyclic groups up now at http://trac.sagemath.org/sage_trac/ticket/7244 This is the generalized quaternion group. http://en.wikipedia.org/wiki/Quaternion_group (The presentation is

[sage-devel] Re: Cunningham numbers factorization

2009-10-18 Thread David Joyner
On Sun, Oct 18, 2009 at 2:38 PM, YannLC yannlaiglecha...@gmail.com wrote: Hi, I made a small package and two patch related to factorization of Cunningham numbers and application to primitivity testing. These are trac #7239 and #7240. It seems to me that the spkg is useful enough (and small

[sage-devel] Re: Nonabelian group of order 12

2009-10-17 Thread David Joyner
On Sat, Oct 17, 2009 at 12:20 AM, Rob Beezer goo...@beezer.cotse.net wrote: Thanks for the info, David.  I'd been looking at http://shell.cas.usf.edu/~eclark/algctlg/small_groups.html which appears quite similar. The story is this: I had a page, like Clark's but over a smaller range and

[sage-devel] Re: Nonabelian group of order 12

2009-10-17 Thread David Joyner
On Sat, Oct 17, 2009 at 11:53 AM, Jaap Spies j.sp...@hccnet.nl wrote: David Joyner wrote: On Sat, Oct 17, 2009 at 12:20 AM, Rob Beezer goo...@beezer.cotse.net wrote: Thanks for the info, David.  I'd been looking at http://shell.cas.usf.edu/~eclark/algctlg/small_groups.html which appears

[sage-devel] Re: Can Sage solve inequalities?

2009-10-17 Thread David Joyner
On Sat, Oct 17, 2009 at 1:21 PM, ma...@mendelu.cz ma...@mendelu.cz wrote: Hello all, does Sage solve inequlitites? According to Maxima mail list ( http://thread.gmane.org/gmane.comp.mathematics.maxima.general/28497/focus=28530 ) Maxima can do at elast someting in this area. I was not able

[sage-devel] Re: Grant Ideas: sage days workshops

2009-10-16 Thread David Joyner
I'd love to see an error-correcting codes workshop! On Thu, Oct 15, 2009 at 9:00 PM, William Stein wst...@gmail.com wrote: Hi, I'm applying to NSF for some Sage Days workshops (off in the future: think 2-4 years from right now).   If anybody has any idea about what might constitute a good

[sage-devel] Re: sage notebook servers

2009-10-16 Thread David Joyner
On Fri, Oct 16, 2009 at 12:18 AM, William Stein wst...@gmail.com wrote: Hi, For a grant proposal, I would like to assemble a list of people running Sage notebook servers either publicly or privately (but more than just for their own person use, of course, e.g. for their group), with maybe

[sage-devel] Re: Grant Ideas: sage days workshops

2009-10-16 Thread David Joyner
On Fri, Oct 16, 2009 at 9:38 AM, William Stein wst...@gmail.com wrote: 2009/10/16 David Joyner wdjoy...@gmail.com: I'd love to see an error-correcting codes workshop! What would be involved?  Can you send more details? There are a huge number of things missing. 1. a fast minimum_distance

<    1   2   3   4   5   6   7   8   9   10   >