[sage-devel] Re: coercion in the developer's guide

On Jun 17, 2009, at 12:50 PM, John H Palmieri wrote: > > Right now, the coercion section of Developer's guide starts off by > saying > > **September 2008:** Much of this material is out of date. We are > working on a revised version. > > (The relevant ticket is

[sage-devel] Re: Is t2.math.washington.edu working now - I can't log in?

t2 is reporting 4 hours of uptime, though it wasn't responding 3 hours ago. Fishy? On Wed, Jun 17, 2009 at 7:27 PM, Tom Boothby wrote: > :( the ILOM is down, too.  I'll see what's up in the morning. > > On Wed, Jun 17, 2009 at 6:32 PM, Dr. David > Kirkby wrote: >> >> Minh Nguyen wrote: >>> Hi Da

[sage-devel] Re: twitter?

On Wed, Jun 17, 2009 at 11:31 PM, Harald Schilly wrote: > > On Jun 16, 6:31 pm, William Stein wrote: > > Should we be using "twitter" for something? > > no, and http://twitter.com/sagemath and hardly alive. you have the > account details somewhere in your emails ;) I tweeted a bit about sage bu

[sage-devel] Re: MEGA talk

Very nice, especially the image compression interact. ;-) Almost at the end: "We create a random double precision 1000 x 1000 matrix, and quickly do multiplication, and computer SVD and LU decompositions." Maybe "computer" is "compute"? Rob On Jun 17, 8:19 pm, William Stein wrote: > Hi, > >

[sage-devel] MEGA talk

Hi, I wrote my MEGA plenary talk, which I'm giving in about 8 hours here (http://www.imub.ub.es/mega09/): http://wstein.org/talks/2009-mega/MEGA_talk.sws Comments/typos/etc. welcome. Note of course, that this is a particular talk for a particular group of people, and it's much different than a

[sage-devel] Re: [fricas-devel] Re: fricas and ECL

On Wed, Jun 17, 2009 at 9:09 PM, Waldek Hebisch wrote: > maxthemouse wrote: > ... >> What was not clear to me was where I should send a mail/patch >> for this. i.e. Who is charge of the fricas.spkg? >> > > The packages were created by Bill Page.  He also uploaded > them to some testing area on sag

[sage-devel] Re: Is t2.math.washington.edu working now - I can't log in?

:( the ILOM is down, too. I'll see what's up in the morning. On Wed, Jun 17, 2009 at 6:32 PM, Dr. David Kirkby wrote: > > Minh Nguyen wrote: >> Hi David, >> >> On Thu, Jun 18, 2009 at 11:24 AM, Dr. David >> Kirkby wrote: >>> I was using t2 fine earlier (about 12 hours ago) and all seemed ok, but

[sage-devel] Re: Sage in the news

David Joyner wrote: > Hi: > > Sage was mentioned again on slashdot - see the comments to the > review of the book Beginning Python Visualization, > http://books.slashdot.org/article.pl?sid=09/05/27/1327255 > BTW, I bought that book and am about 1/2 way though reading it. > See also: http://gro

[sage-devel] Sage in the news

Hi: Sage was mentioned again on slashdot - see the comments to the review of the book Beginning Python Visualization, http://books.slashdot.org/article.pl?sid=09/05/27/1327255 BTW, I bought that book and am about 1/2 way though reading it. - David Joyner --~--~-~--~~~---

[sage-devel] Re: Is t2.math.washington.edu working now - I can't log in?

Minh Nguyen wrote: > Hi David, > > On Thu, Jun 18, 2009 at 11:24 AM, Dr. David > Kirkby wrote: >> I was using t2 fine earlier (about 12 hours ago) and all seemed ok, but >> any attempt for me to ssh to it now just hangs. >> >> >> Note, I disabled telnet and ftp the other day on t2, as they are an

[sage-devel] Re: Is t2.math.washington.edu working now - I can't log in?

Hi David, On Thu, Jun 18, 2009 at 11:24 AM, Dr. David Kirkby wrote: > > I was using t2 fine earlier (about 12 hours ago) and all seemed ok, but > any attempt for me to ssh to it now just hangs. > > > Note, I disabled telnet and ftp the other day on t2, as they are an > unnecessary security risk.

[sage-devel] Is t2.math.washington.edu working now - I can't log in?

I was using t2 fine earlier (about 12 hours ago) and all seemed ok, but any attempt for me to ssh to it now just hangs. Note, I disabled telnet and ftp the other day on t2, as they are an unnecessary security risk. Can someone try to ssh to t2 and let me know what happens? It just hangs from

[sage-devel] Re: sage-4.0.2.rc1

Alright, I'll do a release -- I'm going to need some serious hand-holding though. On Wed, Jun 17, 2009 at 4:05 PM, William Stein wrote: > > On Wed, Jun 17, 2009 at 10:54 PM, Tom Boothby wrote: >> >> Is it too late to include #6307 into 4.0.2?  This is very sensitive to >> bitrot, because it split

[sage-devel] Re: sage-4.0.2.rc1

Tom Boothby wrote: > Alright, I'll do a release -- I'm going to need some serious > hand-holding though. Yeah! And a huge +1 to the ideas behind 6307. There have been at least two times in the last little while that I've started to mess with the javascript (to debug the tinymce issue and to

[sage-devel] Re: sage-4.0.2.rc1

On Wed, Jun 17, 2009 at 10:54 PM, Tom Boothby wrote: > > Is it too late to include #6307 into 4.0.2?  This is very sensitive to > bitrot, because it splits the notebook javascript into a few separate > files. No further code goes into 4.0.2 except critical bugfixes needed to make that release (wh

[sage-devel] Re: coercion in the developer's guide

Thanks, I had definitely missed that this was now in the reference manual. Ben On Jun 17, 12:50 pm, John H Palmieri wrote: > Right now, the coercion section of Developer's guide starts off by > saying > >   **September 2008:** Much of this material is out of date.  We are >   working on a revis

[sage-devel] Re: Monstrous Bug in Expresion multiplication

that's it, thanks. --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sag

[sage-devel] Re: Monstrous Bug in Expresion multiplication

Hello, On Wed, Jun 17, 2009 at 2:46 PM, LBerlioz wrote: > I want to confirm this is a bug, then I can open open a trac. See http://trac.sagemath.org/sage_trac/ticket/6256 --Mike --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.c

[sage-devel] Monstrous Bug in Expresion multiplication

Hi, when I do: sage: z(x)=(e^(x^2))*e^(-(x^2));z I get: x |--> e^(-2*x^2) also : sage: (e^(x^3))*e^(-(x^3)) e^(-2*x^3) strangely enough: sage: e^x*e^(-x) 1 I have been looking at this for some time now and I don't think this is a maxima problem (don't believe me I barely know what I'm doing)

[sage-devel] Re: coercion in the developer's guide

> That's exactly what my original question was about... > Sorry, apparently I can't read at all this morning. Wow ... In that case, I vote for (1). And, then, (5) of course. :) -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroup

[sage-devel] Re: coercion in the developer's guide

On Jun 17, 1:53 pm, Craig Citro wrote: > > Yes: #4196 talks about the developer's guide, while #5454 deals with > > the reference manual. > > True, but the new section in the reference manual has a fair bit of > exposition at the top. What else would you want in the developer's > guide that isn

[sage-devel] Re: sage-4.0.2.rc1

Is it too late to include #6307 into 4.0.2? This is very sensitive to bitrot, because it splits the notebook javascript into a few separate files. On Wed, Jun 17, 2009 at 9:37 AM, William Stein wrote: > > 2009/6/17 eduardo : >> >> hi all >> on o a debian linux, 64 bits i got this failure > > Thi

[sage-devel] Re: coercion in the developer's guide

> Yes: #4196 talks about the developer's guide, while #5454 deals with > the reference manual. > True, but the new section in the reference manual has a fair bit of exposition at the top. What else would you want in the developer's guide that isn't already in the reference manual? Or a note sayin

[sage-devel] Re: coercion in the developer's guide

On Jun 17, 1:31 pm, Craig Citro wrote: > > Right now, the coercion section of Developer's guide starts off by > > saying > > >  **September 2008:** Much of this material is out of date.  We are > >  working on a revised version. > > > (The relevant ticket is

[sage-devel] Re: coercion in the developer's guide

> Right now, the coercion section of Developer's guide starts off by > saying > >  **September 2008:** Much of this material is out of date.  We are >  working on a revised version. > > (The relevant ticket is 4196>.) > I think that this patch does a

[sage-devel] coercion in the developer's guide

Right now, the coercion section of Developer's guide starts off by saying **September 2008:** Much of this material is out of date. We are working on a revised version. (The relevant ticket is .) Now that we have a very nice coercion section

[sage-devel] Re: Nelder-Mead Simplices Algorithm for Minimization.

On Jun 16, 11:44 am, "Prof. Gregory V. Bard" wrote: > I'm working on a very fast implementation of the > Nelder-Mead algorithm for optimizing functions. > This is a particularly good algorithm if the > function is noisy, or is not smooth. > > Is it in SAGE already? R (which is included in Sage)

[sage-devel] Re: LaTeX versions of (combinatorial) graphs

On Wed, Jun 17, 2009 at 11:06:58AM -0700, Rob Beezer wrote: > Thanks for the suggestions. I'd had the thought of making it easy to > insert some pre- and post- commands such as \begin{center}\end > {center}, similar to the way we can now add to the general latex > preamble. Commands for Beamer t

[sage-devel] Re: "How to get started with developing Sage"

On Wed, Jun 17, 2009 at 06:20:57PM +0100, Martin Albrecht wrote: > > Hi there, > > Sage Days 16 is coming up next week in Barcelona. On Tuesday, I will give a > talk on how to get started developing Sage. At SD16 many people are attending > who never attended a Sage Days before and thus we fig

[sage-devel] Re: "How to get started with developing Sage"

On Jun 17, 10:20 am, Martin Albrecht wrote: > Hi there, > > Sage Days 16 is coming up next week in Barcelona. On Tuesday, I will give a > talk on how to get started developing Sage. At SD16 many people are attending > who never attended a Sage Days before and thus we figured it would be nice to >

[sage-devel] Re: "How to get started with developing Sage"

Martin Albrecht wrote: > Hi there, > > - how to repair your installation after you've broken it (i.e: "you can't > really mess up badly, we have MQ!") Beware to pop all patches before sage -upgrade! Until someone fixes sage -upgrade to look for mq patches, that is... Jason --~--~-

[sage-devel] Re: LaTeX versions of (combinatorial) graphs

Hi Nicolas, Thanks for the suggestions. I'd had the thought of making it easy to insert some pre- and post- commands such as \begin{center}\end {center}, similar to the way we can now add to the general latex preamble. Commands for Beamer to gradually develop a sequence of graphs are another go

[sage-devel] Re: "How to get started with developing Sage"

This looks great. I'm sure you'll mention cloning but more generally if there is time running through all the sage flag options you see under "sage -h" and "sage -advanced" might be a good idea. On Wed, Jun 17, 2009 at 1:20 PM, Martin Albrecht wrote: > > Hi there, > > Sage Days 16 is coming up n

[sage-devel] Re: "How to get started with developing Sage"

Hi Martin, On Thu, Jun 18, 2009 at 3:20 AM, Martin Albrecht wrote: > > The Sage Development Process > - Trac/Reviews: the process > - How to Review Patches Ticket #6226 might be relevant here. The patches on that ticket add further documentation to the developer's guide, covering topics such

[sage-devel] "How to get started with developing Sage"

Hi there, Sage Days 16 is coming up next week in Barcelona. On Tuesday, I will give a talk on how to get started developing Sage. At SD16 many people are attending who never attended a Sage Days before and thus we figured it would be nice to provide some hand holding to get into it. My outli

[sage-devel] Re: sage-4.0.2.rc1

2009/6/17 eduardo : > > hi all > on o a debian linux, 64 bits i got this failure This happens if you have the optional cremona database installed. It's a known problem (I reported it to trac yesterday). William > > > sage -t  "devel/sage/sage/schemes/elliptic_curves/ell_egros.py" >

[sage-devel] Re: sage-4.0.2.rc1

hi all on o a debian linux, 64 bits i got this failure sage -t "devel/sage/sage/schemes/elliptic_curves/ell_egros.py" ** File "/home/ocampo/sage-3.2.3/devel/sage/sage/schemes/elliptic_curves/ ell_egros.py", line 63: sage: [

[sage-devel] Re: 3D using processing.js

Wow! On Wed, Jun 17, 2009 at 12:08 PM, Rado wrote: > > Here is an even more impressive demo, actually almost doing what we > need in js. > > http://www.benjoffe.com/code/tools/functions3d/ > > Rado > > > --~--~-~--~~~---~--~~ To post to this group, send email to s

[sage-devel] Re: 3D using processing.js

Here is an even more impressive demo, actually almost doing what we need in js. http://www.benjoffe.com/code/tools/functions3d/ Rado --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email t

[sage-devel] Re: 3D using processing.js

Very interesting. Thanks for the link! On Tue, Jun 16, 2009 at 9:32 PM, Tim Lahey wrote: > > Hi, > > I ran across this example of doing 3D using processing.js: > > http://mdp.cti.depaul.edu/3d > > although it also uses web2py. I thought it was interesting > given the various problems with jmol at

[sage-devel] Re: Dirac delta in new symbolics

On Wed, 17 Jun 2009 06:40:47 -0700 (PDT) Maurizio wrote: > > Glad to see this issue coming out again :) > > I just would like to point out that Burcin recently highlighted > ( http://groups.google.com/group/sage-devel/msg/368c6c89935b85ad ) > that there was a discussion ongoing with Mike Hanse

[sage-devel] singular discussion audio

http://sage.math.washington.edu/home/wstein/tmp/singular_discussion.mp3 -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubs

[sage-devel] Re: Dirac delta in new symbolics

Glad to see this issue coming out again :) I just would like to point out that Burcin recently highlighted ( http://groups.google.com/group/sage-devel/msg/368c6c89935b85ad ) that there was a discussion ongoing with Mike Hansen about changing the design of SFunction. I am wondering if that's stil

[sage-devel] Re: twitter?

On Jun 16, 6:31 pm, William Stein wrote: > Should we be using "twitter" for something? no, and http://twitter.com/sagemath and hardly alive. you have the account details somewhere in your emails ;) h --~--~-~--~~~---~--~~ To post to this group, send email to sage

[sage-devel] Re: Nelder-Mead Simplices Algorithm for Minimization.

On Jun 16, 5:44 pm, "Prof. Gregory V. Bard" wrote: > I'm working on a very fast implementation of the > Nelder-Mead algorithm for optimizing functions. > This is a particularly good algorithm if the > function is noisy, or is not smooth. > > Is it in SAGE already? If not, I'd be happy to > releas

[sage-devel] Re: typesetting partial derivatives

On Wed, 17 Jun 2009 09:20:31 +0200 William Stein wrote: > > On Wed, Jun 17, 2009 at 8:23 AM, Robert > Bradshaw wrote: > > > > On Jun 14, 2009, at 1:19 PM, William Stein wrote: > > > >> Personally, I prefer the Mathematica notation because I can > >> actually read it.  I have (serious!) trouble

[sage-devel] Re: Dirac delta in new symbolics

Hi Golam, On Wed, 17 Jun 2009 07:38:16 -0300 Golam Mortuza Hossain wrote: > We had discussions earlier on having Dirac delta distribution > included in Sage. Now that we have switched to new symbolics, > let me bring this issue once again. > > Is anyone working in implementing Dirac delta in n

[sage-devel] Dirac delta in new symbolics

Hi, We had discussions earlier on having Dirac delta distribution included in Sage. Now that we have switched to new symbolics, let me bring this issue once again. Is anyone working in implementing Dirac delta in new symbolics? While working with my own Physics problems in Sage, I often find my

[sage-devel] Re: "Dynamic Galois Theory"

On Wed, Jun 17, 2009 at 10:57 AM, John Cremona wrote: > > I cannot  access that file (though I could the first time), and wanted > to take a look.  Did you keep a copy? > > I'm not sure that it would do what I use QQbar for, but cannot tell > without reading it. See http://sage.math.washington.ed

[sage-devel] Re: "Dynamic Galois Theory"

I cannot access that file (though I could the first time), and wanted to take a look. Did you keep a copy? I'm not sure that it would do what I use QQbar for, but cannot tell without reading it. John 2009/6/15 William Stein : > > Hi Sage-Devel, > > There is a talk right now at MEGA about "Dyn

[sage-devel] Re: Possible coercion bug

On Jun 15, 2009, at 7:57 AM, Jason Bandlow wrote: > Robert Bradshaw wrote: >> On Jun 9, 2009, at 9:47 AM, Jason Bandlow wrote: >> On Jun 9, 2009, at 8:29 AM, Jason Bandlow wrote: > Hi, > > I ran across the following behavior in sage-3.4.1 and sage-4.0 (I > don't > ha

[sage-devel] Re: typesetting partial derivatives

On Wed, Jun 17, 2009 at 8:23 AM, Robert Bradshaw wrote: > > On Jun 14, 2009, at 1:19 PM, William Stein wrote: > >> Personally, I prefer the Mathematica notation because I can actually >> read it.  I have (serious!) trouble reading the current notation that >> Sage uses and I can barely read the Ma

[sage-devel] Re: rest documentation question

On Wed, Jun 17, 2009 at 8:27 AM, Robert Bradshaw wrote: > > On Jun 16, 2009, at 3:25 PM, Ondrej Certik wrote: > >> >> On Tue, Jun 16, 2009 at 4:09 PM, Nick >> Alexander wrote: >>> Also, there are probably lots of modules and classes where an alphabetical listing is way better than the on