2014-05-27 17:08 UTC+02:00, kcrisman kcris...@gmail.com:
On Monday, May 26, 2014 8:47:36 PM UTC-4, leif wrote:
Ralf Stephan wrote:
Hi,
with all the fine changes to docs in 6.2, the web docs are still at
6.1.1.
Can you please update the pages?
(weekly?) ping
I think that one has
Well, I don't know if my really in charge - there is no formal
assignment of tasks. I've attended a conference the last few days and
barely had time to sleep. I'm aware that this is still one of several
open tasks.
Harald
On Mon, Jun 2, 2014 at 9:46 AM, Vincent Delecroix
Hi,
I would like to get some advice regarding the Parent/Element scheme.
Consider the algebra C^oo(U) of smooth real-valued functions (scalar
fields) U -- *R*, where U is an open subset of a smooth manifold over *R*.
As discussed in this thread
Just wanted to introduce myself as the student who will be working Vince
this summer to implement some Game Theory into Sage.
I'm really looking forward to contributing to an open source project for
the first time!
James
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Eric Gourgoulhon wrote:
- Technically, it would be desirable to create a subclass,
ConstScalarField say, of the Element class of C^oo(U) (ScalarField) to
implement constant fields, in order to take advantage of their
specific properities
[...]
- Mathematically, the set of constant scalar
I sent an email to Minh yesterday. I thought that he was in charge of that
?...
Nathann
On Monday, June 2, 2014 11:06:32 AM UTC+2, Harald Schilly wrote:
Well, I don't know if my really in charge - there is no formal
assignment of tasks. I've attended a conference the last few days and
On Monday, June 2, 2014 10:19:30 AM UTC+1, Eric Gourgoulhon wrote:
- their differentials are zero
Computing the derivative of a constant is pretty fast, too. Since any
interesting computation will also involve non-zero fields its not clear
that you would gain much for the improved code
Le lundi 2 juin 2014 13:20:55 UTC+2, Marc Mezzarobba a écrit :
How about defining two parents (CU and CCU, with a coercion CCU -- CU
and a partial conversion CU -- CCU), and two element classes (SF and a
subclass CSF), and having CU(0) create an instance of CSF, but set the
instance's
Le lundi 2 juin 2014 13:54:11 UTC+2, Volker Braun a écrit :
its not clear that you would gain much for the improved code complexity.
Thanks for this comment. The gain in efficiency would certainly depend on
the concrete use and may vary quite much from one case to the other.
Eric.
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Le lundi 2 juin 2014 14:26:31 UTC+2, Eric Gourgoulhon a écrit :
Thank you for your anwser.
Is this the standard way to implement algebraic substructures ? i.e. have
a coercion B - A and a partial conversion B - A when B is a subspace (in
the present case a subalgebra) of A ?
Sorry for
As I recall, the question of going with a SE site was discussed around the time
that AskSage launched. As I recall, the consensus was that a fully free QA
site was more consistent with the values of the Sage community. It may be that
this is no longer the consensus (if it ever was). Or the
Hi Eric,
On 2014-06-02, Eric Gourgoulhon egourgoul...@gmail.com wrote:
How about defining two parents (CU and CCU, with a coercion CCU -- CU=20
and a partial conversion CU -- CCU), and two element classes (SF and a=
=20
subclass CSF), and having CU(0) create an instance of CSF, but set the=20
Hello Sage Users:
I proposed a Sage Stack Exchange site for Sage. Please go and follow it;
add example questions and vote up (down) questions that you think
should be
on-topic (resp. off-topic) for the upcoming site.
As I recall, the question of going with a SE site was discussed around the
time that AskSage launched. As I recall, the consensus was that a fully
free QA site was more consistent with the values of the Sage community. It
may be that this is no longer the consensus (if it ever was). Or
Le lundi 2 juin 2014 15:00:25 UTC+2, Simon King a écrit :
If B is a sub-structure of A, then the inclusion map is (by definition
of a sub-structure) a homomorphism. If you distinguish isomorphic
sub-structures, then this homomorphism is canonical. Hence, it should be
safe to use the
See also some very interesting discussions at https://www.biostars.org/
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On Friday, May 30, 2014 12:02:38 PM UTC+1, Volker Braun wrote:
#16101: Python backend for Polyhedra
http://trac.sagemath.org/ticket/16101
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On Monday, June 2, 2014 9:31:30 AM UTC-4, kcrisman wrote:
See also some very interesting discussions at https://www.biostars.org/
I didn't know about this QA software -- here is the source repository (MIT
license):
https://github.com/ialbert/biostar-central
Note that it's about 2 years
On Monday, June 2, 2014 3:15:13 PM UTC+1, Niles Johnson wrote:
On Monday, June 2, 2014 9:31:30 AM UTC-4, kcrisman wrote:
See also some very interesting discussions at https://www.biostars.org/
https://github.com/ialbert/biostar-central
This looks pretty good!
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Hi Eric,
On 2014-06-02, Eric Gourgoulhon egourgoul...@gmail.com wrote:
In this frame, there should be two distinct zero elements, namely A.zero()=
=20
and B.zero(), i.e. we should have
A.zero() =3D=3D B.zero()
but
A.zero() is B.zero()
should return False. Correct ?
If you rely on the
For the record, here's our rough roadmap for making AskSage maintainable
again (in reverse order):
* Fork latest AskBot (or other QA software) and cap number of posts per
day for low-reputation users.
* Optional: migrate existing questions, answers, and users to new AskBot
install. Or
I don't agree that we may not make a successful proposal.
* Firstly, this site, if it ever becomes a reality, will subsume
ask.sagemath.com alright, but not just that. This will help the entire
community of GAP, PARI, Maxima, Singular, Sympy (probably also R, but
cross-validated already handles
On Mon, Jun 2, 2014 at 8:02 AM, Kannappan Sampath kntri...@gmail.com wrote:
I don't agree that we may not make a successful proposal.
* Firstly, this site, if it ever becomes a reality, will subsume
ask.sagemath.com alright, but not just that. This will help the entire
community of GAP, PARI,
On Monday, June 2, 2014 11:13:09 AM UTC-4, William wrote:
On Mon, Jun 2, 2014 at 8:02 AM, Kannappan Sampath kntr...@gmail.com
javascript: wrote:
I don't agree that we may not make a successful proposal.
I find Karl's assessment pretty convincing, but I propose that we move
discussion
On Mon, Jun 2, 2014 at 8:42 PM, William Stein wst...@gmail.com wrote:
On Mon, Jun 2, 2014 at 8:02 AM, Kannappan Sampath kntri...@gmail.com
wrote:
I don't agree that we may not make a successful proposal.
* Firstly, this site, if it ever becomes a reality, will subsume
ask.sagemath.com
* Firstly, this site, if it ever becomes a reality, will subsume
ask.sagemath.com alright, but not just that. This will help the entire
community of GAP, PARI, Maxima, Singular, Sympy (probably also R, but
cross-validated already handles quite a bit...) users... I have not
written
On 6/2/14, 11:12, William Stein wrote:
In fact, as you suggest above, go one further: Python --
mathematical software
Having such a site, which is like mathoverflow, but for open source
math software, sounds attractive (if such a thing does not already
exist).
Related:
As another point of information, just one I forgot to mention earlier,
after enough people follow it, it moves to the commitment phase - where new
questions are not asked or answered, as I understand it (?)
The commitment score is the minimum of three scores:
% out of 200 committers
On Mon, Jun 2, 2014 at 9:18 PM, kcrisman kcris...@gmail.com wrote:
* Firstly, this site, if it ever becomes a reality, will subsume
ask.sagemath.com alright, but not just that. This will help the entire
community of GAP, PARI, Maxima, Singular, Sympy (probably also R, but
cross-validated
On Mon, Jun 02, 2014 at 05:56:35AM -0700, Niles Johnson wrote:
As I recall, the question of going with a SE site was discussed around
the time that AskSage launched. As I recall, the consensus was that a
fully free QA site was more consistent with the values of the Sage
community.
+1
On
On Monday, June 2, 2014 1:31:37 PM UTC+2, Nathann Cohen wrote:
I sent an email to Minh yesterday. I thought that he was in charge of that
?...
He was, but AFAIK he is busy with other projects/things/life ...
To give you an impression why this takes so long: I have to build sage to
Whats the command to build the documentation for the web page? Maybe it
would be easy to simply add that to the release workflow.
On Monday, June 2, 2014 7:15:11 PM UTC+1, Harald Schilly wrote:
On Monday, June 2, 2014 1:31:37 PM UTC+2, Nathann Cohen wrote:
I sent an email to Minh
On Mon, Jun 2, 2014 at 8:28 PM, Volker Braun vbraun.n...@gmail.com wrote:
Whats the command to build the documentation for the web page? Maybe it
would be easy to simply add that to the release workflow.
It uses the files directly from the /doc subdirectory. I.e. there is a
script from Minh
Dear Sage and emacs users,
Following Nathann recent discovery of the which-function-mode life
saver, we pondered that it was time to have a centralized point to
gather tips and tricks about Sage for emacs users. Since I haven't
found one, I recycled the former sage-mode wiki page for
Thank you very much for these explanations.
I will have a look at the facade mechanism.
Best wishes,
Eric.
Le lundi 2 juin 2014 16:59:27 UTC+2, Simon King a écrit :
If you rely on the default mechanisms and establish a coercion from B to
A, then
A.zero() == B.zero()
is equivalent to
On Thu, May 29, 2014 at 11:30:36PM +0200, Nicolas M. Thiery wrote:
Funny, I had exactly the same discussion yesterday. I am apparently
not lazy enough, and getting bitten by it: I should have written
something about this in the documentation a long time ago. I started
doing this today, and
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