[sage-devel] Incorrect random link.

2014-06-17 Thread Thierry Dumont
Hello, The random link on the web page, when pointing to SageTex, is incorrect Random Link: SageTeX - embedding Sage code inside LaTeX documents. (It is pointing to a non existing url in CTAN). Yours t.d. -- You received this message because you are subscribed to the Google Groups "sage-de

Re: [sage-devel] Re: Sage Stack Exchange Site

2014-06-02 Thread Thierry
install the fresh new version (the current one will die during the spring). It could be a good idea to compare biostar and askbot (they both rely on the same web framework (django)), and see if a migration can be done in case this later is better for our needs. Ciao, Thierry -- You received thi

Re: [sage-devel] Re: [sage-combinat-devel] Re: redesign combinatorial statistics

2014-05-29 Thread Thierry
for findstat: http://www.sagemath.org/doc/reference/databases/sage/databases/sloane.html By the way, there is a plan to merge the three OEIS-related tools within the oeis class (online searches, offline searches, infinite OEIS sequences provided by sage). Ciao, Thierry :w -- You received this mess

Re: [sage-devel] ipython notebook in sage?

2014-05-27 Thread Thierry
direct download until the mirrors get refreshed). Click on the Sage/Ipython icon and add %load_ext sage in the first cell. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receivin

[sage-devel] What is missing in ipython notebook to be usable within Sage ?

2014-05-22 Thread Thierry
notebook. I started a page on the wiki to list all missing features of the ipython notebook, which may help us to work toward ipython integration, please do not hesitate to edit it, and open tickets. http://wiki.sagemath.org/IpythonNotebook Ciao, Thierry -- You received this message because

[sage-devel] dead link to changelog of 6.2

2014-05-21 Thread Thierry
e had with configure-23.tar.gz ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this

Re: [sage-devel] Re: Please review #13125

2014-05-18 Thread Thierry
stuff on the wiki to ease maintenance ? Ciao, Thierry On Sun, May 18, 2014 at 10:34:26AM +0200, Nathann Cohen wrote: > Couldn't we have a wiki page in which we would add all the references to > grants ? It would look like a giant dictionary of numbers and nobody would > ever loo

Re: [sage-devel] upgrading numpy/scipy

2014-05-14 Thread Thierry
to a package, with pointers to the related trac tickets ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.

Re: [sage-devel] Where to put "sequences of bounded integers"?

2014-05-11 Thread Thierry
; Question to y'all: Where do you think the code should be put? > sage.structure.bounded_integer_sequences? > sage.misc.bounded_integer_sequences? > sage.combinat.bounded_integer_sequences? This is also related to the set Words(range(b+1)), though this may not necessarilly be opt

[sage-devel] problem with configure-23 on 6.2.rc0

2014-04-26 Thread Thierry
Hi, trying to build Sage from a fresh 6.2.rc0 (+ ticket 16232), i fall into the following problem: thierry@builder:/opt/sagemath/sage-6.2.rc0$ make mkdir -p logs ./bootstrap -d make[1]: entrant dans le répertoire « /opt/sagemath/sage-6.2.rc0 » rm -rf config configure build/Makefile-auto.in make

Re: [sage-devel] State of the German documentation

2014-03-25 Thread Thierry
the web nor in the > notebook). The ticket 14643 is still open: Actually, it is already part of the documentation: http://www.sagemath.org/de/html/thematische_anleitungen/sage_gymnasium.html Perhaps the problem is that non-english documentations are not accessible from the main help pa

Re: [sage-devel] Should RR coerce into RIF?

2014-03-18 Thread Thierry
ch a convenient coercion easily at her own risks, and a way to learn about this. Or perhaps could there be a special parent for this kind of experiments. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from t

Re: [sage-devel] Re: How to define a new ring class ? [We need a class representing genuine real field]

2014-03-13 Thread Thierry
ive (contains a lot of elements), it is not able to decide equality, while e.g. AA is. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an

Re: [sage-devel] Re: How to define a new ring class ? [We need a class representing genuine real field]

2014-03-13 Thread Thierry
On Thu, Mar 13, 2014 at 01:32:10PM -0700, Volker Braun wrote: > On Wednesday, March 12, 2014 8:45:57 PM UTC-4, Thierry > (sage-googlesucks@xxx) wrote: > > > > - create RSF (for "real symbolic field") to isolate pi and sqrt(2) from > > cos(x) in the symbolic

Re: [sage-devel] Re: Re: How to define a new ring class ? [We need a class representing genuine real field]

2014-03-13 Thread Thierry
in Sage existing notations. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group

Re: [sage-devel] Re: Re: How to define a new ring class ? [We need a class representing genuine real field]

2014-03-13 Thread Thierry
On Thu, Mar 13, 2014 at 10:07:23AM +0100, Vincent Delecroix wrote: > 2014-03-13 9:28 UTC+01:00, Marc Mezzarobba : > > Thierry wrote: > >> - rename RR as RFF (for "real floating field"), so that this > >> representation is not preferred than the others (es

Re: [sage-devel] Re: How to define a new ring class ? [We need a class representing genuine real field]

2014-03-12 Thread Thierry
ty with the category framework help in the design of such a meta-representation. Idem with CFF, CSF, CC for complex numbers. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receivi

Re: [sage-devel] easy_install and https

2014-03-06 Thread Thierry
Sorry, i reinstalled my build machine and didn't install ssl packages, so _ssl.so was missing in ./local/lib/python2.7/lib-dynload/. This works now. Ciao, Thierry On Thu, Mar 06, 2014 at 01:22:07PM +, John Cremona wrote: > That's funny, as I have used easy_install a lot to in

[sage-devel] easy_install and https

2014-03-06 Thread Thierry
.parse('tornado') Downloading tarballs by hand with dependencies seems to work. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, se

Re: [sage-devel] Re: admin for ask.sagemath

2014-02-24 Thread Thierry
l create the ipban file # first): echo / > /proc/net/xt_recent/ipban for ip in $(cat ipban.txt) ; do echo +$ip > /proc/net/xt_recent/ipban ; done Ciao, Thierry > -- William > > > > > -- > > You received this message because you are subscribed to the Google Groups >

Re: [sage-devel] password to login to sage.

2014-02-18 Thread Thierry
ted. Such question should be asked on http://ask.sagemath.org/ or on the sage-support mailing-list. That said, you can reset your notebook password by opening Sage from the command-line and typing: sage: notebook(reset=True) Ciao, Thierry > -- > You received this message because you ar

Re: [sage-devel] Re: Broken optional packages...

2014-02-06 Thread Thierry
;. Also, should we add the removal of src/doc/output/doctrees and src/doc/output/inventory somewhere in one of the Makefiles, and if yes, in which target ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this

Re: [sage-devel] Re: Broken optional packages...

2014-02-05 Thread Thierry
e ? Doing all that, i was able to build Sage in a 284M squashfs file, which is not bad if we want to have live CD back (or smaller live USB). Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this grou

[sage-devel] Benchmarks

2014-02-02 Thread Thierry Dumont
Hello, I was looking at the benchmarks in http://www.sagemath.org/tour-benchmarks.html All are very obsolete (sage 4.1.1, linux 32 bits, a core I5 processor). Redoing the sage examples results in an improvement factor of 4 at least (but not a constant factor). But I do not have access t

Re: [sage-devel] Boost Python (and enumeration of short vectors)

2014-01-29 Thread Thierry
ntation than Magma's one. They also provide a shortest vector from version 3.1.1. And also an implementation of BKZ, which is a googd trade-off between slow shortest and fast LLL. It could be nice to have those features interfaced in Sage as well. http://perso.ens-lyon.fr/damien.stehle/fplll/C

Re: [sage-devel] Boost Python (and enumeration of short vectors)

2014-01-28 Thread Thierry
-4, -7, 2, -9, -1, -13, 22, -6, 17, -5, -6, -6, 22, 6, -13, 8, 17, 10, 4, 10, -11, -7, 44, 7, 9, -19, -33, -15, 1, 45, -48, 23, 0, 13, 14, 80, 20, -246, -63, -233, -95010) Ciao, Thierry > I have an implementation using interval arithmetic which is not quite as > fast as Magma, but per

Re: [sage-devel] class LinearRecurrence

2014-01-24 Thread Thierry
Hi, not the same but quite related, there are people working on having D-finite functions in Sage, it could be nice to have consistent notations. Here are some slides from SD49: http://marc.mezzarobba.net/exposes/sd49-mezzarobba-20130620-slides.pdf Ciao, Thierry On Fri, Jan 24, 2014 at 07:33

Re: [sage-devel] math software and China

2014-01-22 Thread Thierry Dumont
May be software piracy is not the problem (or there are other problems). Consider for example scilab, which is a free replacement for Matlab (at least partially): it has a huge success in China, even if it is very easy to get "non official" versions of matlab for only some Yuans. But Scilab is qui

Re: [sage-devel] Re: real literals and IEEE-754

2014-01-06 Thread Thierry
d with 200 bits of precision sage: RealField(200)(a) 1.00e-20 sage: RealField(200)(a+0) 1.00e-20 sage: RealField(200)(a*1) 1.000000e-20 Ciao, Thierry -- You received this message because

Re: [sage-devel] numbers in numpy fight sage

2014-01-03 Thread Thierry
e np.float64 are coreced to SR): sage: I / np.float64(2) 0.5*I Ciao, Thierry > 1j + np.float64(2) > > gives 2.0 > > It works with float32/float though: > > 1j + np.float32(2) > > (2+1j) > > Harald > > -- > You received this message becaus

Re: [sage-devel] About groups., designs., and the brand-new codes.

2014-01-03 Thread Thierry
ProductSpecies/CompositionSpecies/FunctorialCompositionSpecies species. Perhaps should there be a Species() overlay to all those ? That said, i understand the CamelCase/lowercase convention, but what explains the singular/plural one? Ciao, Thierry -- You received this mess

Re: [sage-devel] no 5.13 PPA on the i386 architecture

2013-12-27 Thread Dumont Thierry
Le 27. 12. 13 14:49, Thierry a écrit : Hi, as noticed on ask.sagemath.org, it seems that the 5.13 version of the Ubuntu PPA was not built for i386 architecture (it is available for the amd64 architecture). True, I confirm. t. http://ask.sagemath.org/question/3351/does-ubuntu-ppa-update-32

[sage-devel] no 5.13 PPA on the i386 architecture

2013-12-27 Thread Thierry
/main/s/sagemath-upstream-binary/ Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this g

Re: [sage-devel] building sage 6.0 on debian live (squeeze)

2013-12-25 Thread Thierry
d udev will launch a non-interactive upgrade script). By the way, it could be interesting to put a link to this Sage Debian live from the sagemath.org download page (the current link "live CD" points to a 5.3 version of Sage). Ciao, Thierry -- You received this message because you a

[sage-devel] Off-line OEIS database [was: Optional spkg databases scheduled for deletion]

2013-12-12 Thread Thierry
is.org/A000108). Commercial uses may be licensed by special arrangement with the OEIS Foundation Inc.. == SPKG Maintainers == * Thierry Monteil == Upstream Contact == * http://oeis.org/ * http://oeis.org/wiki/Editorial_Board == Dependencies == None == Special Update/Build Instructions == Downl

[sage-devel] ppa and ubuntu 13.10

2013-11-01 Thread Dumont Thierry
Dear all, I have installed a new machine with the new ubuntu 13.10 ("saucy"). Ppa do not work with this version. There should be something to add (a link?) in the ppa server. Thanks in advance... Yours t. -- You received this message because you are subscribed to the Google Groups "sage-deve

Re: [sage-devel] Should the Sage manual mention SageMathCloud?

2013-10-12 Thread Thierry
arently discuss/decide about sagemath.org domains, contents of the website, budget, repartition of the donations, ... - host our own mailing-list service lists.sagemath.org - invest more in making "run Sage on your own" easier (up-to-date live CD, lighter VM (or using colinux?), automated serv

Re: [sage-devel] Re: motivation: here's one reason your contributions to Sage matter...

2013-09-28 Thread Thierry
gt; JP More details on http://wiki.sagemath.org/GroupeUtilisateursParis Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googleg

Re: [sage-devel] Fwd: The results of some integration test.

2013-09-15 Thread Thierry
Hi, according to http://www.12000.org/my_notes/ten_hard_integrals/index.htm the first 10 items seem to be solvable by a combination of axiom and fricas which are already distributed with Sage. Does it make sense to use them instead of maxima ? Ciao, Thierry On Sun, Sep 15, 2013 at 10:51:39AM

Re: [sage-devel] intel compiler

2013-09-01 Thread Dumont Thierry
Le 01/09/2013 20:13, William Stein a écrit : On Sun, Sep 1, 2013 at 10:37 AM, Marco Streng wrote: Hi sage-devel, Has anyone recently try to build sage with Intel's compilers? I can't remember hearing of anybody ever successfully building any version of sage ever (since 2005) completely using

Re: [sage-devel] Re: Magma

2013-08-31 Thread Dumont Thierry
Le 30/08/2013 22:46, Jason Grout a écrit : On 8/30/13 3:41 PM, William Stein wrote: True regarding Matlab -- in fact, it is already very hard for the scientific python community to get traction against Matlab at the University level, though I'm very impressed with the progress they have made so

Re: [sage-devel] Re: UTF-8 and old terminals (new startup banner)

2013-07-08 Thread Thierry Dumont
Le 08/07/2013 10:51, Nils Bruin a écrit : On Monday, July 8, 2013 4:05:29 AM UTC+2, Volker Braun wrote: Frédéric Chapoton has written a patch at http://trac.sagemath.org/14733 that will beautify the Sage startup banner using some UTF-8 characters to

Re: [sage-devel] Re: RFC: a good name the category of algebras that are not necessarily associative nor unital

2013-07-04 Thread Thierry
ajor version (e.g. Sage 6.0) and announce this clearly, so that we will suffer only once ? Ciao, Thierry > The only problem is that this very simple solution is backward > incompatible, because unfortunately Algebras() returns the category of > *associative* *unital* algebras, in Sage. That&#x

Re: [sage-devel] Re: find_stat in Sage, the combinatorial_map decorator and its consequences

2013-07-01 Thread Thierry
move the need to create (and doctest) an articifial method representing the map into the class representing the domain, therefore making addition of new maps easier, give more symetry between domain and codomain (then you could ask for all maps with Posets as codomain, without having to bro

Re: [sage-devel] Sage 5.10 released

2013-06-26 Thread Thierry
Hi, as for previous versions, the live-USB containing Sage 5.10 can be downloaded from http://sagedebianlive.metelu.net/ Ciao, Thierry On Thu, Jun 20, 2013 at 04:38:48PM +0200, Jeroen Demeyer wrote: > Sage 5.10 was released on 17 June 2013. It is available in > source and binary for

[sage-devel] ppa mirror ?

2013-06-22 Thread Thierry Dumont
Hello, Is there only one ppa server for Ubuntu ? If YES, may be it would be reasonable to make mirrors: in my lab, I install sage on all the machines using the ppa: it means 5 interactive servers (we use ltsp for every day computer access) + a cluster of 12 machines + Maybe the "tube"

Re: [sage-devel] LELA for matrices?

2013-06-02 Thread Thierry Dumont
Le 02/06/2013 19:28, Volker Braun a écrit : On Sunday, June 2, 2013 9:01:01 AM UTC+1, Charles Bouillaguet wrote: There is a presumably standard sparse-blas API : http://math.nist.gov/spblas/ Yes, though it doesn't seem to mandate any matrix storage format. So apparently you can't let

[sage-devel] Mirror for 32-bit Ubuntu LTS.

2013-05-17 Thread Thierry
12.04). Is it possible ? Is there a problem in terms of available computing ressources ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to

Re: [sage-devel] Sage live USB (Debian based, with self-replicating capabilities)

2013-05-16 Thread Thierry
set up) ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to

[sage-devel] Cython and Python signal

2013-05-11 Thread Thierry
Hi, it was reported in http://ask.sagemath.org/question/2567/kill-the-thread-in-a-long-computation that cython seems not to handle Python signals correctly. It-it a feature or should-it be reported ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups

Re: [sage-devel] Re: new optional (or experimental) package CSDP?

2013-04-29 Thread Thierry Dumont
Le 29/04/2013 19:23, kcrisman a écrit : On Wednesday, April 10, 2013 11:52:30 PM UTC-4, Dima Pasechnik wrote: Dear all, we'd like to add CSDP, (a fast semidefinite programming solver, one of the very best around), as an optional package. https://projects.coin-or.org/Csdp/ <

Re: [sage-devel] sound in Sage..

2013-03-20 Thread Thierry Dumont
There is this also: http://nsound.sourceforge.net/users_guide/index.html and many other packages Ok, I'll work on this. t. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, sen

[sage-devel] sound in Sage..

2013-03-20 Thread Thierry Dumont
Hi, May be this can look a bit crazy: is somebody interested by introducing sound output in Sage (and other sound tools?). Actually I don't know how to do this, but there are lot of Python tools. I would like to make a course on the FFT with an application to mp3 encoding: build a small mp3

Re: [sage-devel] Re: mpir on 32-bit

2013-02-24 Thread Thierry
On Sat, Feb 23, 2013 at 10:20:03PM +0100, Thierry wrote: [...] > I had no problem building 5.6 on the same machine with the same > configuration. I will try to 'export ABI=standard' as suggested in > ask.sagemath. Exporting ABI='standard' globally allows the mpir

Re: [sage-devel] Re: mpir on 32-bit

2013-02-23 Thread Thierry
U/Linux I used the following sage variables : - SAGE_FAT_BINARY='yes' - SAGE_BINARY_BUILD='yes' - SAGE_CHECK="yes" - MAKE="make -j2" I had no problem building 5.6 on the same machine with the same configuration. I will try to 'export ABI=standard' as suggested in a

Re: [sage-devel] Re: Shibboleth and Sage ?

2013-02-18 Thread Thierry Dumont
Le 18/02/2013 17:06, Harald Schilly a écrit : On Saturday, February 16, 2013 11:00:05 AM UTC+1, tdumont wrote: Shibboleth ... I've implemented it once for a custom internal application. Getting it running itself is rather easy, because there is an Apache module + service available (that'

[sage-devel] Shibboleth and Sage ?

2013-02-16 Thread Thierry Dumont
Dear Colleagues, I am wondering if a Sage interface to Shibboleth (http://en.wikipedia.org/wiki/Shibboleth_%28Internet2%29) would be inresting / difficult to build. In France, Shibboleth is popular in academic institutions and it would be interesting to allow a Sage server to work with it. T

Re: [sage-devel] Re: Simulation in Sage

2013-02-12 Thread Thierry Dumont
Le 12/02/2013 11:55, Volker Braun a écrit : +1 for having a FEM implementation. I've seen some of the codes in numerical GR (Cactus) and they are definitely not "generic FEM" implementations that one could apply to a wide range of problems ;-) On Tuesday, February 12, 2013 7:12:42 AM UTC, tdumo

Re: [sage-devel] Re: Simulation in Sage

2013-02-11 Thread Thierry Dumont
Le 11/02/2013 22:57, William Stein a écrit : On Mon, Feb 11, 2013 at 10:38 AM, Christian Kuper wrote: Hello Harald, thanks for your quick reply Honestly personal answer: no. But I'm happy to be proven wrong :-) I would be greatly interested in your opinion why you think "no". Simulation d

Re: [sage-devel] Re: Sage live USB (Debian based, with self-replicating capabilities)

2013-02-03 Thread Thierry
en in md5sum.txt is the one of the original .img file. Thanks for mirroring in the US, i added a link from the homepage. Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails

Re: [sage-devel] Re: Sage live USB (Debian based, with self-replicating capabilities)

2013-01-31 Thread Thierry
On Wed, Jan 16, 2013 at 03:30:06PM -0800, Sébastien Labbé wrote: > Salut Thierry Monteil, > > This is really nice! I just tested it. Works on linux. But, I can't make a > mac os x to boot on the usb key... Salut! this is due to the fact that Mac can only understand GUID part

Re: [sage-devel] translations of a paragraph into German and French needed in #13657

2013-01-24 Thread Thierry Dumont
Le 24/01/2013 10:04, Julien Puydt a écrit : Le 24/01/2013 09:35, Francois Bissey a écrit : On 24/01/13 19:58, Thierry Dumont wrote: Dima, I can make the translation into French. == Pour calculer les valeurs propres et les vecteurs propres d'une matrice à coefficients flot

Re: [sage-devel] translations of a paragraph into German and French needed in #13657

2013-01-23 Thread Thierry Dumont
Dima, I can make the translation into French. == Pour calculer les valeurs propres et les vecteurs propres d'une matrice à coefficients flottants réels ou complexes, la matrice doit être définie respectivement sur "RDF" (Real Double Field) ou "CDF" (Complex Double Field). Si auc

Re: [sage-devel] Re: Stampede Cluster with Intel's Many Integrated Core (MIC) coprocessors

2013-01-05 Thread Thierry Dumont
Le 05/01/2013 16:23, Volker Braun a écrit : Fundamentally, the Xeon Phi programming model is not really that much different from OpenCL/Cuda. You send data to the coprocessor card, run some code there, and pull back the result to the host CPU. It doesn't speed up anything that is not specifically

Re: [sage-devel] Re: Graph neighbours - room for huge performance boost

2013-01-02 Thread Thierry Dumont
Le 02/01/2013 18:22, Nils Bruin a écrit : On Jan 2, 5:29 am, Thierry Dumont wrote: The problem is that Python dictionaries are *very* slow. Do you know how they are implemented? That's an interesting observation. I think python developers have put a lot of time into optimizing their

Re: [sage-devel] Re: Graph neighbours - room for huge performance boost

2013-01-02 Thread Thierry Dumont
Le 02/01/2013 13:54, Nathann Cohen a écrit : I suppose that for many graph algorithms the graph can well stay immutable, and this does not really need a dictionary (perhaps at a slight cost of efficiency of determining whether two vertices are adjacent). And many algorithms actually do not need t

Re: [sage-devel] Re: Graph neighbours - room for huge performance boost

2013-01-02 Thread Thierry Dumont
Le 02/01/2013 09:22, Nathann Cohen a écrit : Hellooo !!! You are totally right about the performance issue, but do you know the memory size of a Sage graph compared to dict of dict ? I have no idea -- I have just been *VERY* scared by the size of a dict of dict compared to a C array in t

[sage-devel] Tour-Benchmark.

2012-12-30 Thread Thierry Dumont
Dear Colleagues, I just want to point out that at least one of the results of the "Tour-Benchmark" should be modified/updated: the " Matrix Multiplication in Sage vs. MATLAB and Mathematica". On my personal, quite old, with a Celeron 3Ghz, 2 core machine, 64 bits, I get: 752 ms which is ver

Re: [sage-devel] Re: Sage Days in Bobo-Dioulasso debriefing; Sage in developping countries

2012-11-20 Thread Thierry Dumont
For information, I will give a short course (one day) about Sage in Algeria next January. There is a joint French-Maghreb CNRS research unit in Maths; the idea is to help develop computing, all sorts of computing in Maghreb. The Algerian (the others too) are very enthusiastic. As the course

Re: [sage-devel] Re: Ubuntu 12.10 - 404 Not found

2012-11-17 Thread Thierry Dumont
Le 17/11/2012 08:55, Jan Groenewald a écrit : Hi The PPA can now be used to install on Ubuntu 12.10. Yes, This is ok! Thanks! t.d. Sulliwane, you can revert your 12.10 system back to the way it should be with this command (all on one line): sudo sed -ie 's/precise/quantal/g' /etc/apt/sources.

Re: [sage-devel] Sage Days in Bobo-Dioulasso debriefing; Sage in developping countries

2012-11-15 Thread Thierry
w it: https://en.wikipedia.org/wiki/3DNow! Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, send email to sage-de

Re: [sage-devel] Sage Days in Bobo-Dioulasso debriefing; Sage in developping countries

2012-11-15 Thread Thierry (sage-googlesucks@xxx)
a machine or about spending time in maintaining a buildbot on an existing machine ? Ciao, Thierry -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, s

Re: [sage-devel] Re: Sage Days in Bobo-Dioulasso debriefing; Sage in developping countries

2012-11-13 Thread Thierry
able to serve a notebook for the remaining people for which previous solutions did not work (bios not able to boot on USB, participants not willing to install Linux on their machine). Unless you have a very strong server, it is usually not enough for all participants. Ciao, Thierry On Tue, Nov 13

Re: [sage-devel] Re: Ubuntu 12.10 - 404 Not found

2012-11-12 Thread Thierry Dumont
Le 12/11/2012 15:42, Jan Groenewald a écrit : Dear Silliwane, The Sage PPA has not yet been updated for 12.10. It currently only has 12.04 support. I hope to work on this soon, but that might mean early next year; I am not sure yet. In the meantime, try this: sudo sed -ie 's/quantal/precise/g'

[sage-devel] 5.2, notebook, ldap.

2012-08-29 Thread Thierry Dumont
Since some years, I manage a Sage server in my University; this server is used by students and I have implemented a simple ldap identification. With Sage versions < 5.2, I always did the following: -install python ldap in sage -download the notebook spkg. -In this notebook package, there was a

Re: [sage-devel] question to numetçric guys: TIDES

2012-06-17 Thread Thierry Dumont
Le 17/06/2012 23:14, mmarco a écrit : There is a software developped in my university called TIDES[1]. It is an arbitrary precission ODE integrator. The guys that made it claim that it is the software that allows bigger precission in this task. I know almost anything about numerical integration o

[sage-devel] sage 5 beta 13 on Ubuntu 12.04: ok.

2012-04-29 Thread Thierry Dumont
Compilation from scratch + install Lie went well on the last Ubuntu, X86-64, server version. yours t.d. -- 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 this gr

Re: [sage-devel] blitz++ (matrix template library) as optional package

2012-02-10 Thread Thierry Dumont
Le 10/02/2012 10:00, Volker Braun a écrit : > I recently note that there is no C++ array template library shipped with > Sage. I think this is an impediment for more serious numerical > computations. The whole Cython thing is really nice to speed up Python > code, but if you are serious about avoid

Re: [sage-devel] Question about the Notebook in the future Sage 5.0

2012-01-04 Thread Thierry Dumont
Le 04/01/2012 11:12, Jeroen Demeyer a écrit : > On 2012-01-04 10:43, Thierry Dumont wrote: >> 3 machines in the same network (linked with ethernet 1gb), sharing sage >> datas (user data) by nfs. > > In that case, you can simply solve your problem using the notebook() >

Re: [sage-devel] Question about the Notebook in the future Sage 5.0

2012-01-04 Thread Thierry Dumont
Le 04/01/2012 10:41, Jeroen Demeyer a écrit : > On 2012-01-04 10:37, Thierry Dumont wrote: >> I am currently running Sage on a server made of 3 independent machines, >> shared among the students of my University. > > You mean 3 different hardwares located in various parts of

[sage-devel] Question about the Notebook in the future Sage 5.0

2012-01-04 Thread Thierry Dumont
Dear Sage developers, Some time ago, I could read that there was a project to store all user data in a data base, which could be independent of the computer on which Sage is running. Will this feature be included in 5.0? I am currently running Sage on a server made of 3 independent machines, shar

Re: [sage-devel] talk on Sage that I gave today

2011-11-19 Thread Thierry Dumont
Le 20/11/2011 08:48, William Stein a écrit : Hi, I gave a general audience talk today at the Combinatorial Potlatch here at Seattle University. My slides, the worksheet, and a clear recording of the audio of the talk are here, in case you're interested: http://wstein.org/talks/2011-potlat

Re: [sage-devel] importing matlab files (.mat) into sage?

2011-11-02 Thread Thierry Dumont
Le 02/11/2011 11:02, Stan Schymanski a écrit : > Dear all, > > While looking for a way to import a matlab file into sage, I stumbled > over scipy.io.loadmat and found a ticket where this is implemented > into sage along with some other useful input/output routines: > http://trac.sagemath.org/sage_

Re: [sage-devel] Re: MATLAB: viable alternative...?

2011-09-05 Thread Dumont Thierry
Le 06/09/2011 07:46, David Ketcheson a écrit : I may have been too harsh in using the term 'disaster'. I am certainly glad that scipy exists, but I use it with extreme caution. First, it is quite disorganized. Say you want to solve an ODE. First, you have to know to import scipy.integrate (imp

Re: [sage-devel] Femhub

2011-07-23 Thread Thierry Dumont
Le 22/07/2011 23:35, Ondřej Čertík a écrit : Hi Thierry, http://qsnake.com/ And I'll be happy to integrate things back to Sage. I didn't announce the Qsnake project publicly yet, because I am not happy with the web pages yet, but I am currently busy finishing some work, and I&#x

Re: [sage-devel] my ldap identification.

2011-07-22 Thread Thierry Dumont
nswer. Yours t. Le 22/07/2011 09:26, Thierry Dumont a écrit : > > I have a Sage server since 2 years; I am switching to 4.4 and > sagenb-0.8.14. I must patch the notebook to make ldap identification. > > -- To post to this group, send an email to sage-devel@googlegroups.com To u

[sage-devel] my ldap identification.

2011-07-22 Thread Thierry Dumont
I have a Sage server since 2 years; I am switching to 4.4 and sagenb-0.8.14. I must patch the notebook to make ldap identification. I tried to reproduce exactly what I did one year ago with sage 4-5.2 and sagenb-0.8.2. The idea is to add a script notebook_ldap.py which do the job, and pach avat

[sage-devel] Femhub

2011-07-21 Thread Thierry Dumont
Hello, I juts read that Femhub (http://code.google.com/p/femhub/ and many other urls) uses parts of Sage. But is there any project to integrate it in the Sage distribution (as optional package, for example) ? This would be interesting for teaching... Yours t.d. -- To post to this group, sen

Re: [sage-devel] Re: No plot with plot3d

2011-05-21 Thread Thierry Dumont
Le 21/05/2011 16:36, Jonathan a écrit : OK, I found an Ubuntu VM (11.04) that I hadn't killed. With the patch for launching Jmol from the command line and the Sun Java it definitely works. If you want 4.6.2 to work apply the patch. If that doesn't fix it you will also have to switch from the d

Re: [sage-devel] ODE/DAE solver on Sage, spkg for SUNDIALS and Assimulo

2011-05-13 Thread Thierry Dumont
Hello, Asimulo seems great: it does exactly what I wanted to do: integrate Radau5 in Sage. Radau5 is from far the best method for the integration of (very) stiff ODEs... Le 13/05/2011 10:30, Guilherme a écrit : > Dear all, > > I did two simple spkg (Sage package) one for SUNDIALS and another fo

Re: [sage-devel] Re: DAE solver on Sage.

2011-05-04 Thread Thierry Dumont
Le 04/05/2011 19:01, Joris Vankerschaver a écrit : On May 3, 11:23 pm, Thierry Dumont wrote: 1) it takes time to do this, 2) we have to solve the callback problem: such program make a lot of callbacks (to the rhs of the system): AFAIK, there are no simple method to make this work fast

Re: [sage-devel] Re: DAE solver on Sage.

2011-05-03 Thread Thierry Dumont
Le 04/05/2011 06:48, Joris Vankerschaver a écrit : On 3 mei, 15:13, Guilherme wrote: Is there any DAE solver readily available to Sage? The tools available in Sage for solving ODE are obsolete; I would like to interface the tools of the books of Hairer & Wanner which are the best avail

[sage-devel] new numerical developments in Sage ?

2010-12-28 Thread Thierry Dumont
Hi, With some other French Colleagues, we organize a "mini-symposium" about Sage at the Congress of the French Mathematical Society in May (see http://smai.emath.fr/smai2011/). There will be some short talks (30 mn) about Sage in different domains of Applied Maths, even in Industrial fields.

Re: [sage-devel] Re: Goto Blas.

2010-12-07 Thread Thierry Dumont
Le 07/12/2010 14:22, Jason Grout a écrit : On 12/7/10 12:05 AM, Thierry Dumont wrote: The Goto Blas are now under BSD license. http://www.tacc.utexas.edu/tacc-projects/gotoblas2/ This could be a replacement for Atlas (these blas are supposed to be faster). According to the developer&#

[sage-devel] Goto Blas.

2010-12-06 Thread Thierry Dumont
The Goto Blas are now under BSD license. http://www.tacc.utexas.edu/tacc-projects/gotoblas2/ This could be a replacement for Atlas (these blas are supposed to be faster). t.d. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email

[sage-devel] Log the connections.

2010-11-07 Thread Thierry Dumont
I have a Sage server used by the students in my University. I would like to know how many connections are active at each time. How to do this? Yours t.d. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubsc

Re: [sage-devel] Re: Fwd: Request to review Sagemath Beginners Guide

2010-10-30 Thread Thierry Dumont
Le 30/10/2010 16:21, mhampton a écrit : Rob, It would be great to have an English version of that book, I agree that its very good. I would be willing to pitch in a bit to a team translation effort. My French is not good but I think I could slog through part of it - other people in my family m

Re: [sage-devel] Re: Fwd: Request to review Sagemath Beginners Guide

2010-10-30 Thread Thierry Dumont
Le 30/10/2010 12:39, Rob Beezer a écrit : > There's already a nice CC-licensed book about Sage written in French: http://sagebook.gforge.inria.fr/ Are there any plans to make a print version and/or translations? I have "translated" the French Sage book into Sage worksheets. This was

[sage-devel] CouchDB

2010-10-30 Thread Thierry Dumont
I am reading an interesting paper (at least interesting for me) about CouchDB. I do not know many things about databases, but I remember that there where some ideas about using a data base for the storages of the notebook. At first look, I would say that these sorts of databases (not sql) seem

[sage-devel] Strange behaviour of floating point numbers.

2010-10-16 Thread Thierry Dumont
Consider this: sage: R100=RealField(100) sage: x= R100(8/3) sage: R=RealField() sage: R(x) 2.67 sage: RDF(x) 2.667 The documentation says that in RealField() and RDF, numbers are represented with the same precision of 53 bits. So, R(x) and RDF(x) should give the same result

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