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
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'
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'
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
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
Compilation from scratch + install Lie went well on the last Ubuntu,
X86-64, server version.
yours
t.d.
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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 avoiding
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,
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 the network
or more like 3
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()
server_pool option. No need
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:
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:
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'll get
to it
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
.
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.
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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.
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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
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 for
Le 04/05/2011 06:48, Joris Vankerschaver a écrit :
On 3 mei, 15:13, Guilhermeguito...@gmail.com 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
Le 04/05/2011 19:01, Joris Vankerschaver a écrit :
On May 3, 11:23 pm, Thierry Dumonttdum...@math.univ-lyon1.fr 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
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.
I
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's
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.
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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.
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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
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
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
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
Nice, this worked perfectly..
Thanks.
t.
Le 16/10/2010 08:01, Thierry Dumont a écrit :
Message original
Sujet: Re: [sage-devel] User identification, did something change ?
Date : Mon, 11 Oct 2010 11:12:50 -0700
De : Mike Hansen mhan...@gmail.com
Répondre à : sage-devel
Hello,
I am changing my server (used by hundreds of students...). It was base
on a old version of Sage, and I am switching to 4-5.2.
In my old version, I installed a patch to avatars.py so that Sage looks
at the ldap server of the university, and creates the user if necessary.
Is Sage
Hello,
I am not sur to understand if cython can manage callbacks. The
documentation do not say many things about this (or I could not find it).
I want to interface ODEs solvers, and I would like to do it with cython.
o, if I want to solve du/dt=f(t,u), I need to pass f to the solver
have the best for stiff systems, Hamiltonian systems (make
celestial mechanics with Sage) and so on... This would be in the spirit
of Sage, I think: use the best software available, written by true
specialists.
But may be there are already projects (for point 2)) ? let me know...
Thierry Dumont
Le 17/07/2010 15:18, Harald Schilly a écrit :
On Jul 17, 11:03 am, Thierry Dumonttdum...@math.univ-lyon1.fr
wrote:
2) For the ODEs, ... (even if written in f77)...
I don't know their work but I think there is nothing wrong with f77
for this type of problem. Do you know f2py [1]? Shouldn't
Hello,
Using 4.4.1, up to date, the installation of lie fails:
sage -i lie-2.2.2.p3
...
gcc -o Lie.exe lexer.o parser.o non-ANSI.o bigint.o binmat.o creatop.o
gettype.o getvalue.o init.o learn.o main.o mem.o node.o onoff.o output.o
poly.o sym.o print.o getl.o date.o static/*.o box/*.o
Le 06/05/2010 20:21, William Stein a écrit :
On Thursday, May 6, 2010, Thierry Dumonttdum...@math.univ-lyon1.fr wrote:
Hello,
Using 4.4.1, up to date, the installation of lie fails:
sage -i lie-2.2.2.p3
...
gcc -o Lie.exe lexer.o parser.o non-ANSI.o bigint.o binmat.o creatop.o
gettype.o
It is certainly possible to copy atlas libs from one machine to another
(and it is what you do when you install sage binaries, or when you
install atlas in a linux distribution (debian, ubuntu with binary
packages), and this will change nothing if both machines have the same
processor. But it
Vincent D a écrit :
Hi,
I aim to construct a french translation of the notebook (with french
tutorial) on
http://sage.irem.univ-mrs.fr:8000
Is there any attempt of multi-language support for it ?
It seems that the files concerning the notebook lives in the
independant package
Here we use NFS and Sage: we have 3 computers. The first one receives
all the users'directories in a directory /ws. /ws is exported to the 2nd
and 3rd computer and we have no performance problems. But ok, this is
not the same configuration as yours where you have a lot of computers
and only one
achrzesz a écrit :
Hello
Can I ignore the SeLinux alert which I obtain from time to time
starting sage 4.2.1 compiled from sources in Fedora 12 on QuadCore
2.4GHz, 4GB RAM
I do not have an answer to your question. But do you plan to use SELinux
for securing Sage? (a Sage server ?). This
William Stein a écrit :
I'm not sure why, but the storage abstraction broke my multiple boxes
acting as compute nodes via NFS and server_pool. If I run the
notebook with a localhost login server_pool=['sa...@localhost'], then
it works. If I don't, server_pool=['sa...@node1'], then it appears
Hi,
My Sage server University wide is now running...
Yesterday, we had about 120 simultaneous connections (but for the
students it was the first contact with Sage and with python: so, it is
certainly not a very representative test).
My question:
Can we make statistics on the use of a Sage
Hi,
With sage-4.1 , sagenb-0.4 on a debian amd 64 Lenny, I cannot make
certtool generate certificates.
Sage launches certtool with arguments:
--generate-privkey --outfile /scratch/sage/.sage/dsage/cacert.pem
(/scratch/sage is the home directory)
and this command never finishes.
I try bin
I apologize for this post... it took a *very* long time... but at the
end, after some *minutes* I got a certificate...
t.d.
Thierry Dumont a écrit :
Hi,
With sage-4.1 , sagenb-0.4 on a debian amd 64 Lenny, I cannot make
certtool generate certificates.
Sage launches certtool with arguments
Hi,
I have installed sage-4.2 and many problems disappeared :-)
( server_pool is working fine now...).
BUT I have some questions:
===
-I want to adapt my ldap identification to the new notebook.
As the notebook changed a lot, I must adapt my routines to it.
To do this I want to trace different
Jason Grout a écrit :
...
- algorithm='scipy' -- call the scipy numerical integration routines
(maybe make this the default if it is faster than gsl).
..
I do not think that this is the only criterion... How do these methods
compare from the numerical point of view? Making a
Jason Grout a écrit :
Thierry Dumont wrote:
Jason Grout a écrit :
...
- algorithm='scipy' -- call the scipy numerical integration routines
(maybe make this the default if it is faster than gsl).
..
I do not think that this is the only criterion... How do these methods
compare
I have looked at the quadrature routines:
-in gsl: it seems that qags routine is called: this is a sophisticated
procedure with step adaptation, and convergence acceleration with the
epsilon-algorithm. This should integrate some singular functions and
discontinuous functions.
-in scipy: things
The installation of Sage 4.1.2 fails on my system:
-system: debian lenny amd 64.
-problem:
As building R:
/usr/local/sage-4.1.2/spkg/build/r-2.9.2/src/bin/exec/R:
/usr/local/sage-4.1.2/local/lib/gcc-lib/x86_64-unknown-linux-gnu/4.0.3/libgcc_s.so.1:
version `GCC_4.2.0' not found (required by
William Stein a écrit :
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 some statement about how the notebook server is
William Stein a écrit :
Hi,
Nearly two weeks ago I had the notebook stabilized and all known new
bugs fixed (after separating it off from sage as a separate program
and rewriting the expect stuff). But I realized that it would be a
total nightmare to introduce yet another sobj (sage
William Stein a écrit :
On Wed, Oct 14, 2009 at 4:55 AM, Thierry Dumont
tdum...@math.univ-lyon1.fr wrote:
W
2) With the current notebook. I tried the following experience: I have 2
machines (actually 3). On these machines there are unix users sage1,
sage2, ..., sage3...,sagen, with the same
ma...@mendelu.cz a écrit :
On 18 zář, 08:33, Robert Bradshaw rober...@math.washington.edu
wrote:
Ok, but it should be possible to share the worksheet directory ?
I *need* to share it (we have 3 machines, on which the users -some
hundredsof students- will be connected at random).
I don't
William Stein a écrit :
That's excellent. I personally favor Pylons as well, but I thought Django is
the more popular, and thus more hackable framework at the moment. I would
love to see his code.
Hi,
There a ldap authentification plugin for Django:
William Stein a écrit :
2009/9/17 Thierry Dumont tdum...@math.univ-lyon1.fr:
Hi,
I want to launch 2 instances of sage on the same machine, and even more
launch sage on 2 (3) machines sharing one directory by nfs.
My notebook command is:
notebook(open_viewer=False,directory='/ws/nbfiles
Robert Bradshaw a écrit :
On Sep 17, 2009, at 11:26 PM, Thierry Dumont wrote:
William Stein a écrit :
2009/9/17 Thierry Dumont tdum...@math.univ-lyon1.fr:
Hi,
I want to launch 2 instances of sage on the same machine, and
even more
launch sage on 2 (3) machines sharing one directory
Hi,
I want to launch 2 instances of sage on the same machine, and even more
launch sage on 2 (3) machines sharing one directory by nfs.
My notebook command is:
notebook(open_viewer=False,directory='/ws/nbfiles',address='',secure=True,port=8001,timeout=3600,ulimit='-v
5',accounts=True)
launching the notebook as:
notebook(port=8000,address=sage1-math.univ-lyon1.fr,secure=True,accounts=True)
I get this:
http://localhost:8000/?startup_token=aefaa3bb3f3354dbcc78eceba0c686f2:
no such file or directory
and I cannot connect...what happens?
yours
t.d.
attachment: tdumont.vcf
Yoav Aner a écrit :
only web-based requests. Google also try to push users to have a
google account to authenticate. It might be a good or a bad thing,
depending on your perspective. Amazon EC2 in that respect gives you
more flexibility I believe. I would personally avoid either from a
Hi,
Always for my university wide Sage server (yes, I'm back), I would
like to make the Sage documentation available for all the users,
together with other documentation (Python...).
Is the best way to do:
wget -r http://www.sagemath.org/doc/
or is there something better?
Yours
Thierry Dumont
Harald Schilly a écrit :
outch, please don't torture our poor server with wget -- and i guess
it will not work.
everything that's below /doc is 1:1 generated by Sage! ./sage -
docbuild ... or if you have compiled it, it's already generated.
There is also http://sagemath.org/doc-zip/ and
are located in
.sage/sage_notebook/worksheets/
I would like to put them on an nfs share (mounted on all the 3 machines).
What do you think of that? Is there any incompatibility ?
Yours,
Very sincerely
Thierry Dumont.
-
French universities are on a permanent strike!
Have a look
mabshoff a écrit :
In general there are a bunch of suggestions like setting timeouts for
the python processes and so on to avoid overloading the server. Do you
have any more info about the setup, i.e. how long do you need to go
between upgrades (say some people cannot or do not want to
With some colleagues in our University (Lyon, France) we have built a
project around Sage for undergraduate students... And the University has
decided to support this project. Good news.
We will have enough money to by 3 servers, each one with 32 Mb of
memory, 2x4 core (hopefully: the price of
mabshoff a écrit :
On Oct 29, 7:12 am, Thierry Dumont [EMAIL PROTECTED] wrote:
Hi,
With some colleagues in our University (Lyon, France) we have built a
project around Sage for undergraduate students... And the University has
decided to support this project. Good news.
Great news
mabshoff a écrit :
Ok, I saw some notes in that directory about problems, i.e. some
things working from the outside, but not the inside of Sage. Can you
elaborate?
I mean that it works with the ldap library installed in the Linux
systeme of the machine; same installation for TLSlib...
Is
mabshoff a écrit :
Ok, so making optional spkgs for OpenLdap as well as TLSlib that
install into $SAGE_LOCAL would do the trick? What other components
besides pyldap are needed?
I think this should be enough.
At the above url you also remark:
*Bonus: I tested identification with the
Paul Leopardi a écrit :
Hi all,
I will be attending Sage Days 10 in Nancy, but am very new to Sage and
need some pointers on where to find stuff. Also, I have heard about
some recent developments in C++ linear algebra libraries and wonder
how this relates to Sage.
The most recent
This morning, I posted a mail concerning a compilation pb (unable to
find libstdc++.
The machine is an AMD64, Debian Lenny.
The system was updated for the last time near August 1.
We apt-get upgraded it, and now, compilation is ok...
So, if you use this Debian version, upgrade your system
Hi,
I try to compile sage on my opteron machine.
When compiling flint, I get the ld error message:
/usr/bin/ld: cannot find -lstdc++
Th ld lines are:
g++ -I/usr/local/sage-3.1/local/include/
-I/usr/local/sage-3.1/local/include -f PIC -funroll-loops -O3 -c
NTL-interface.cpp -o NTL-interface.o
William Stein a écrit :
2008/8/25 Thierry Dumont [EMAIL PROTECTED]:
Hi,
I try to compile sage on my opteron machine.
What compiler version, exact operating sytem, etc.?
OS: Debian lenny, amd64 (up to date).
gcc version 4.3.1 (Debian 4.3.1-2)
t.
When compiling flint, I get the ld error
.
Yours,
t.d.
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- Villeurbanne Cedex - France.
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begin:vcard
fn:Thierry Dumont
n:Dumont;Thierry
org;quoted-printable:CNRS - Universit=C3
ldap:// in ldaps:// and puting self.withTLS=False should work, but I
have no mean to verify.
If if works everywhere, insertion into Sage will be possible.
I'm waiting for comments, suggestions and so on...
Yours
t.d.
--
Thierry Dumont. Institut Camille Jordan -- Mathematiques--
Univ. Lyon I,43 Bd
I have posted some time ago some messages about ldap identification I
want to put in Sage...
It is not so easy as I could imagine: Sage relies on twisted (and may
be on some parts of Zope -am I wrong?- to do this); may be what I want
to do is not very complicated but I am lost in twisted,
William Stein a écrit :
What is CUDA? Why should the typical read of sage-devel or user
of Sage care? Any chance you could write a paragraph or two and
about this? It might get a lot more Sage developers excited about
what you're doing (which is I'm sure extremely exciting).
--
a true ldap).
If you are looking for a beta-tester, It could be me :-)
t.d.
--
Thierry Dumont. Institut Camille Jordan -- Mathematiques--
Univ. Lyon I,43 Bd du 11 Novembre 1918, 69622
- Villeurbanne Cedex - France.
[EMAIL PROTECTED] web: http://math.univ-lyon1.fr/~tdumont
begin:vcard
fn:Thierry
.
Thierry Dumont
Institut C. Jordan CNRS Université Lyon 1.
Villeurbanne, France.
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Great!
mabshoff a écrit :
On Jul 6, 1:01 am, Thierry Dumont [EMAIL PROTECTED] wrote:
Hello,
Hi Thierry,
As I explained some days ago on sage-support (am I on the good list
here?), I would like to add ldap identification to Sage.
This is the right list and hooking up Sage to use ldap
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