[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Martin Albrecht
On Wednesday 05 November 2008, Jason Grout wrote: Martin Albrecht wrote: On Wednesday 05 November 2008, Ronan Paixão wrote: Em Ter, 2008-11-04 às 17:44 -0800, William Stein escreveu: On Tue, Nov 4, 2008 at 11:46 AM, Ronan Paixão [EMAIL PROTECTED] wrote: There are no talks from

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread John Cremona
2008/11/5 Minh Nguyen [EMAIL PROTECTED]: Hi Martin, Martin Albrecht wrote: http://nguyenminh2.googlepages.com/sage_numtheory-crypto.pdf This is a short tutorial on using Sage to study elementary number theory and the RSA public key cryptosystem. By short, I mean at most 10 pages. If

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Martin Albrecht
Hi, sorry for taking this off-list earlier. 1) Modern cryptography uses many fundamental concepts from number theory I think the precise statement would be that public key cryptography uses many fundamental concepts from number theory. Most of symmetric cryptography is not based on

[sage-devel] Re: New software for computing automata and rewriting systems

2008-11-05 Thread alunw
I have now placed MAF on my website. You can find it at www.alunw.freeuk.com/MAF/download.html As yet there is no licence of any kind with any of the downloads, though the download page does state my intention to publish the program under the terms of the GPL. I shall try to update the download

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Ronan Paixão
Em Ter, 2008-11-04 às 18:03 -0800, William Stein escreveu: On Tue, Nov 4, 2008 at 5:55 PM, Ronan Paixão [EMAIL PROTECTED] wrote: Em Qua, 2008-11-05 às 12:07 +1100, Minh Nguyen escreveu: On Wed, Aug 27, 2008 at 10:17 AM, Minh Nguyen [EMAIL PROTECTED] wrote: Hi Harald, On Tue,

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Jason Grout
Martin Albrecht wrote: On Wednesday 05 November 2008, Jason Grout wrote: Martin Albrecht wrote: On Wednesday 05 November 2008, Ronan Paixão wrote: Em Ter, 2008-11-04 às 17:44 -0800, William Stein escreveu: On Tue, Nov 4, 2008 at 11:46 AM, Ronan Paixão [EMAIL PROTECTED] wrote: There are no

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Martin Albrecht
On Wednesday 05 November 2008, Jason Grout wrote: Martin Albrecht wrote: On Wednesday 05 November 2008, Jason Grout wrote: Martin Albrecht wrote: On Wednesday 05 November 2008, Ronan Paixão wrote: Em Ter, 2008-11-04 às 17:44 -0800, William Stein escreveu: On Tue, Nov 4, 2008 at 11:46

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Jason Grout
Martin Albrecht wrote: I suppose my preferred copyright statement is something like this: I don't care what you do with these slides and I happily provide TeX sources. You might violate someone's copyright though, but that is your problem. Don't get me wrong: You are of course right and

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Minh Nguyen
Hi folks, Here it is, the latest version of a Sage tutorial in number theory and crypto: http://nguyenminh2.googlepages.com/sage_numtheory-crypto-v3.pdf This version incorporates suggestions from John, Martin and William, and they are duly acknowledged in the document itself. Please remind me

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Jason Grout
Minh Nguyen wrote: Hi folks, Here it is, the latest version of a Sage tutorial in number theory and crypto: http://nguyenminh2.googlepages.com/sage_numtheory-crypto-v3.pdf This version incorporates suggestions from John, Martin and William, and they are duly acknowledged in the

[sage-devel] Re: updating the _pos dictionary for graphs

2008-11-05 Thread Robert Miller
Jason, Does anyone know if it is assumed that if the _pos dictionary in a graph is not None, then it contains each vertex as a key? It seems like it is assumed several places in the code (e.g., in the subgraph() function). However, _pos isn't updated properly (e.g., in the delete_vertex

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Harald Schilly
On Nov 5, 3:45 pm, Minh Nguyen [EMAIL PROTECTED] wrote: Here it is, the latest version of a Sage tutorial in number theory and crypto: http://nguyenminh2.googlepages.com/sage_numtheory-crypto-v3.pdf wow, looks really good and is nearly exactly what i originally expected. It's now linked from

[sage-devel] Re: updating the _pos dictionary for graphs

2008-11-05 Thread Jason Grout
Robert Miller wrote: Jason, Does anyone know if it is assumed that if the _pos dictionary in a graph is not None, then it contains each vertex as a key? It seems like it is assumed several places in the code (e.g., in the subgraph() function). However, _pos isn't updated properly (e.g.,

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread David Joyner
Should we consider creating our own Sage documentation license? As was pointed out, public domain not only doesn't exist in some countries, it also isn't a license technically speaking. I am personally happy with the GFDL 1.3, but some might find it a bit of overkill. Comments? Unless people

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread mabshoff
On Nov 5, 9:23 am, David Joyner [EMAIL PROTECTED] wrote: Should we consider creating our own Sage documentation license?\ -1 - the will only cause more license proliferation. As was pointed out, public domain not only doesn't exist in some countries, it also isn't a license technically

[sage-devel] Re: Licensing questions (yet another talk on Sage)

2008-11-05 Thread Robert Bradshaw
On Nov 5, 2008, at 9:23 AM, David Joyner wrote: Should we consider creating our own Sage documentation license? As was pointed out, public domain not only doesn't exist in some countries, it also isn't a license technically speaking. Much of the headache in choosing a license is that there

[sage-devel] documentation licenses [was: yet another talk on Sage]

2008-11-05 Thread David Joyner
On Wed, Nov 5, 2008 at 12:42 PM, mabshoff [EMAIL PROTECTED] wrote: On Nov 5, 9:23 am, David Joyner [EMAIL PROTECTED] wrote: Should we consider creating our own Sage documentation license?\ -1 - the will only cause more license proliferation. As was pointed out, public domain not only

[sage-devel] Re: updating the _pos dictionary for graphs

2008-11-05 Thread Jason Grout
Robert Miller wrote: Jason, Does anyone know if it is assumed that if the _pos dictionary in a graph is not None, then it contains each vertex as a key? It seems like it is assumed several places in the code (e.g., in the subgraph() function). However, _pos isn't updated properly (e.g.,

[sage-devel] Re: [Bulk] [sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Ronan Paixão
Em Qua, 2008-11-05 às 13:23 -0400, David Joyner escreveu: Should we consider creating our own Sage documentation license? As was pointed out, public domain not only doesn't exist in some countries, it also isn't a license technically speaking. Just now I noticed on the CC page that in Brazil

[sage-devel] Re: Sage 3.2.alpha2 released

2008-11-05 Thread Franco Saliola
On Sun, Nov 2, 2008 at 10:43 AM, David Joyner [EMAIL PROTECTED] wrote: I went through 5 passes, and sage -testall kept locking up at various places, so I rebuilt Sage. I also tested to see if the tarball was coorupted but it seems the download went okay. After the rebuild, the same lockup

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Robert Dodier
On Nov 5, 10:23 am, David Joyner [EMAIL PROTECTED] wrote: I am personally happy with the GFDL 1.3, but some might find it a bit of overkill. FWIW for Maxima I have pressed for new documents to be licensed under GPL. Having the same license for documents and code means stuff can be freely

[sage-devel] Sage 3.2.alpha3 released

2008-11-05 Thread mabshoff
Hello folks, here goes 3.2.alpha3 - somewhat later than planned. Hopefully we fixed all numerical doctest noise from #788 (I even reverted a small number of changes) and otherwise merged a couple other nice patches. If this release builds and doctests fine it will likely become 3.2.final in

[sage-devel] Re: documentation licenses [was: yet another talk on Sage]

2008-11-05 Thread Dan Drake
While we are discussing licenses, I thought I would point out that the Sage wiki very prominently says By making an explicit contribution to the Sage wiki (or the Sage documentation), one certifies that one's contribution is licensed under the Creative Commons 3.0 license. (I don't know about

[sage-devel] Re: documentation licenses [was: yet another talk on Sage]

2008-11-05 Thread root
To quote U.S. copyright law, section 107: Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phonorecords, or by any other means specified by that section, for purposes such as criticism, comment,

[sage-devel] Re: [Bulk] [sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Robert Bradshaw
On Nov 5, 2008, at 11:31 AM, Ronan Paixão wrote: Em Qua, 2008-11-05 às 13:23 -0400, David Joyner escreveu: Should we consider creating our own Sage documentation license? As was pointed out, public domain not only doesn't exist in some countries, it also isn't a license technically speaking.

[sage-devel] Re: documentation licenses [was: yet another talk on Sage]

2008-11-05 Thread Robert Bradshaw
On Nov 5, 2008, at 10:28 AM, David Joyner wrote: On Wed, Nov 5, 2008 at 12:42 PM, mabshoff [EMAIL PROTECTED] wrote: On Nov 5, 9:23 am, David Joyner [EMAIL PROTECTED] wrote: Should we consider creating our own Sage documentation license?\ -1 - the will only cause more license

[sage-devel] calling symbolic expressions, was: Why Sage needs var(...) commands unlike Mathematica?

2008-11-05 Thread Robert Dodier
William Stein wrote: Would you consider this weird if you read it in a paper, or would you know how to interpret it? Let $f = x^3 + x + 1$ and consider $f(10)$. I'm not so sure I know what to do with that. I'm pretty sure I want (x^3 + x + 1)(10) to be (x^3)(10) + x(10) + 1(10). (If the

[sage-devel] Re: calling symbolic expressions, was: Why Sage needs var(...) commands unlike Mathematica?

2008-11-05 Thread Nick Alexander
On 5-Nov-08, at 8:55 PM, Robert Dodier wrote: William Stein wrote: Would you consider this weird if you read it in a paper, or would you know how to interpret it? Let $f = x^3 + x + 1$ and consider $f(10)$. I'm not so sure I know what to do with that. I find this bizarre. I am

[sage-devel] Re: Documentation Quality Initiative

2008-11-05 Thread Rob Beezer
In the spirit of release early I've added my (incomplete) notes on graph theory commands to the Documentation Project wiki. These are designed for a first-time student of the subject and are being developed as I teach such a course this semester. So they should see frequent updates for the next