[sage-devel] Fwd: [R-pkgs] New R graphics package targeting HTML 5 canvas element

2009-04-03 Thread Harald Schilly
Maybe interesting to know where R is going or for others implementing similar ideas: Plotting on a canvas element, that's pure javascript with drawing commands instead of transferring images. On top of that it might be possible to implement browser-side-only zooming. Harald -- Forwarded

[sage-devel] Re: Python and Lisp

2009-04-02 Thread Harald Schilly
On Apr 2, 12:07 pm, ahmet alper parker aapar...@gmail.com wrote: If lisp itself is not perfect, in the long run (say 30 years) it may be another problem. So why improve lisp first (in example say lisp++)? I suggest to fork python, call it sagepy, and build some lisp++ on top of python's lambda

[sage-devel] multiple problems with plot

2009-03-30 Thread Harald Schilly
With the report a problem public bugtracker this was reported: http://spreadsheets.google.com/ver?key=pCwvGVwSMxTzT6E2xNdo5fAt=1238445447456000pt=1238445427456000diffWidget=trues=AJVazbVFT97FZOYYfmwHgEVH7LCMCiaF-Q -- 'Sage Version 3.4, Release Date: 2009-03-11' multiple problems

[sage-devel] Re: multiple problems with plot

2009-03-30 Thread Harald Schilly
On Mar 30, 11:09 pm, Jason Grout jason-s...@creativetrax.com wrote: Harald Schilly wrote: With the report a problem public bugtracker this was reported: http://spreadsheets.google.com/ver?key=pCwvGVwSMxTzT6E2xNdo5fAt=1238... -- 'Sage Version 3.4, Release Date: 2009-03-11

[sage-devel] Re: COIN-OR libraries in SAGE ?

2009-03-29 Thread Harald Schilly
On Mar 29, 7:46 pm, William Stein wst...@gmail.com wrote: The only way I see forward to have faster linear programming included *standard* in Sage: Would it be possible to have some code that would connect Sage with those solvers, but not include them? i.e. calling a library and complaining,

[sage-devel] Re: COIN-OR libraries in SAGE ?

2009-03-29 Thread Harald Schilly
On Mar 29, 8:29 pm, William Stein wst...@gmail.com wrote: Since cvxopt is GPLV3+ according to  http://abel.ee.ucla.edu/cvxopt/copyright.html OpenOpt can't legally be BSD licensed. Why not? From what I know, cvxopt has to be installed separately, not a part of openopt. h

[sage-devel] Re: MATLAB to Python

2009-03-27 Thread Harald Schilly
On Mar 27, 9:05 pm, Hazem hazem.biqa...@gmail.com wrote: http://ompc.juricap.com/ looks very interesting to me. It's also a new project, fresh ideas and well, i think it would be very useful to include it in sage. if you look at the timeline, http://ompc.juricap.com/timeline things like

[sage-devel] e2: Mathematica and free software

2009-03-23 Thread Harald Schilly
Nice and interesting article on everything2.com about free maths software, a presentation by wolfram about mathematica and thoughts about the reason, why mathematica is still tolerated. Link to Sage included ;) http://everything2.com/title/mathematica%20and%20free%20software H

[sage-devel] Re: website: tracking download activity more

2009-03-19 Thread Harald Schilly
Hi, some additional information. Here is a table of all sites linking to sage which google knows about. The first column is the target, the second the page where the link is from and the third the time when it was seen. There are more than 10.000 pages linking to www.sagemath.org and well, if

[sage-devel] Re: website: tracking download activity more

2009-03-19 Thread Harald Schilly
And yet another update, I've collected some data about the new download action tracking. It is from monday last week until now. Therefore it shows all the 3.4 downloads. Filenames explain everything else. In the PDFs, the bold line below the graphic is most important and shows the total number.

[sage-devel] Re: Broken links on reference

2009-03-18 Thread Harald Schilly
I tried to create a rewrite rule (that would have solved this by telling everyone a 301 error and the new url) but I give up. I'll never understand apache ... :\ you can't tell them directly, there is something called webmaster central and i use sitemaps.org to tell them about the update

[sage-devel] website: tracking download activity more

2009-03-18 Thread Harald Schilly
Hey all, long time since my last update about activities from the website. That's mainly because not much has happened. There was a valley during Christmas holidays and only a couple of new referring sites that brought traffic. The most comes still from google, then sites like stumbleupon, reddit

[sage-devel] Re: Google Summer of Code 2009

2009-03-09 Thread Harald Schilly
On Mar 9, 3:04 am, davidp dav...@reed.edu wrote: and I have a student that would love to work with me this summer to really polish it up.  (A preliminary version of a sandpile applet he wrote is atwww.reed.edu/~headb/sandpiles.)  It might not be what Google is looking for, though. There

[sage-devel] Re: Google Summer of Code 2009

2009-03-09 Thread Harald Schilly
On Mar 9, 11:27 am, Tim Lahey tim.la...@gmail.com wrote: ... but I think the canvas back end has a decent chance of being funded. Yes, but first of all, this week until the 13th we need to have a proposal for Sage as a mentor group. Therefore it should focus on such tasks that have no maths

[sage-devel] Re: sagelet - calculus in two variables - differential

2009-03-09 Thread Harald Schilly
Hi, thx, but the correct URL is http://sagenb.org/home/pub/298/ H On Mar 8, 10:37 pm, ma...@mendelu.cz ma...@mendelu.cz wrote: Dear readers of this group, I wrote a simple sagelet which describes approximation of a function in two variabels using differential. The sagelet is published

[sage-devel] Re: Google Summer of Code 2009

2009-03-08 Thread Harald Schilly
On Mar 8, 12:50 pm, Burcin Erocal bur...@erocal.org wrote: Are we doing anything for the Google Summer of Code this year? I hope - from the experience in the past - the main focus is on non- maths related tasks, that are easy and comprehensible from a software engineering standpoint. i.e.

[sage-devel] Re: HTML on the mirror sites

2009-03-04 Thread Harald Schilly
On Mar 3, 11:51 pm, Nils Bruin nbr...@sfu.ca wrote: The problem is the height of the frame. It's given in px rather than em. So, if someone selects a font that is higher than 16px, ... Thanks for reporting this detail, but there is no em height specification for iframes. look:

[sage-devel] software for plotting implicit equations in 3d

2009-02-25 Thread Harald Schilly
Surf, part of Surfer: http://www.imaginary2008.de/surfer.php - license gplv2+ the source builds+runs on my ubuntu 8.10. therefore it could be used to visualize 3d equations implicitly (contours maybe too?) examples: http://www.imaginary2008.de/galerie.php but it is buggy, it doesn't recognize my

[sage-devel] Re: software for plotting implicit equations in 3d

2009-02-25 Thread Harald Schilly
forgot actual link to surf: http://surf.sourceforge.net/ --~--~-~--~~~---~--~~ 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

[sage-devel] Composition of power series

2009-02-24 Thread Harald Schilly
Hello, I got this one on the report a problem bugtracker in the notebook: In version 3.2.3: I typed the following commands into sage notebook: R.z = QQ[] p = 1 + O(z) q = 1 + z p(q) After pressing shift + enter, the output is 1. However, in this case we should not be able to determine even

[sage-devel] Re: broken link

2009-02-22 Thread Harald Schilly
should work now, the remaining problem is that they are outdated, but this will be fixed soon i hope ;) h On Feb 21, 11:26 pm, ahmet alper parker aapar...@gmail.com wrote: This link is not working:http://sagemath.org/paper-letter/ It is under doc page/pdf versions link...

[sage-devel] Re: reusing solutions in functions

2009-02-21 Thread Harald Schilly
On Feb 21, 12:30 pm, Maurizio maurizio.gran...@gmail.com wrote: So, I started using the dictionaries to do substitution even in complex expressions... The result was to wait so much time! That sounds bad, can you give an example? Or create one so that others can investigate it? result =

[sage-devel] reusing solutions in functions

2009-02-19 Thread Harald Schilly
In IRC I had a question and I don't know how to do it ... If you have a solution of an equation, how to apply the result to a function? sage: var('x y') (x, y) sage: solve([x+y==6, x-y==4], x, y) [[x == 5, y == 1]] sage: f = 2*x+y The best I came up is sage: f.subs(dict([ (s.lhs() , s.rhs())

[sage-devel] Re: reusing solutions in functions

2009-02-19 Thread Harald Schilly
On Feb 19, 10:18 pm, Mike Hansen mhan...@gmail.com wrote: I'd do something like this: yes, thanks. it's just not very intuitive because you have to know the solution_dict parameter in advance. i don't know, but it would be interesting if a syntax like f(sol[0]) could be implemented - or does it

[sage-devel] Re: Longest and most pointless Sage build ever?

2009-02-18 Thread Harald Schilly
Carl Witty wrote: Unfortunately, it's far too slow to be useful for anything ... cool story, but how about sympy, have you tried it? it's maybe worth a try! h --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Re: sage logo facelifting

2009-02-17 Thread Harald Schilly
On Feb 17, 3:07 am, Sirius deuter...@gmail.com wrote: To be sincere, I really don't care much, nor know much, about the license, I just want to have credit ... Yes, I don't care much either but here my two cents: My personal definition of logo is a unique graphic to represent the project.

[sage-devel] Re: bespin: future of sage coding in the cloud?

2009-02-14 Thread Harald Schilly
On Feb 14, 3:29 pm, Martin Rubey martin.ru...@math.uni-hannover.de wrote: In theory, I believe, you could also enable modification of the repository.  I don't think that this is desirable, though. Better editor and wiki is certainly a good thing, but let me clarify how I think about this:

[sage-devel] bespin: future of sage coding in the cloud?

2009-02-13 Thread Harald Schilly
Today I came across the mozilla labs project called Bespin. It's an online code editor (javascript/canvas) and in a very early prototype stage. Currently, it does something with html, js and css only, but I think it has potential. Imagine, logging into an online sage-code-editor right into the

[sage-devel] inconsitent escaping of html in notebook

2009-02-13 Thread Harald Schilly
I got a bug report from the report a problem link in the notebook about html character escaping. It's inconsistent because it escapes html tags, but not ...; special html characters. I'm posting this to start a discussion if this is a bug or not or other implicatoins... Example: In print amp;

[sage-devel] Re: inconsitent escaping of html in notebook

2009-02-13 Thread Harald Schilly
On Feb 13, 8:07 pm, Jason Grout jason-s...@creativetrax.com wrote: Okay, patch is up at #5258. wow, that was fast. for the statistics, i recieved this at 18:57 and you posted this at 20:07 (my timezone) :) h --~--~-~--~~~---~--~~ To post to this group, send

[sage-devel] sage logo facelifting

2009-02-13 Thread Harald Schilly
Hi, I got an improved version of the current sage logo from sirio - not the graphics, just the letters of the text. I don't want to push this online without any discussion, because it is an rather important aspect of sage! It's also once again an opportunity to discuss some efforts towards a more

[sage-devel] Re: Sage mirrors out of date - http://sagemath.org/mirrors.html

2009-02-10 Thread Harald Schilly
On Feb 10, 12:18 am, mabshoff mabsh...@googlemail.com wrote: Harald: please update the list of active mirrors again as you see fit. Having the one in France back officially would also be nice since it is quite fast and Sage has a large French userbase, too :) I checked, france seems to be

[sage-devel] Re: Massively collaborative mathematics + Sage-ready blogs and forums

2009-02-06 Thread Harald Schilly
On Feb 6, 4:41 pm, Pat LeSmithe qed...@gmail.com wrote: The custom editor would definitely be cool.  I was referring to the possibility of running some of Sage's computations in the browser.  For example, if the server had access to Python... Ah, now i understand. The problem is, python alone

[sage-devel] Re: Sage as a back end

2009-02-06 Thread Harald Schilly
On Feb 7, 12:23 am, snowmaninthesun thedicks...@gmail.com wrote: Not really on topic but is there a way to set google groups to email me directly when someone posts back to my post, without being inundated with all of the forum emails  ?? yes, top right of the messages click options

[sage-devel] Re: error in calulations, big numbers, etc...

2009-02-05 Thread Harald Schilly
On Feb 5, 12:08 pm, ahmet alper parker aapar...@gmail.com wrote: I want to ask that, is it possible to calculate the error in our calculations with Sage (or else like maxima, matlab etc. if you know)? Also, is there big number (multiple precision arithmetic) support on Sage? The best [read:

[sage-devel] Re: openopt spkg for Sage

2009-01-28 Thread Harald Schilly
On Jan 28, 9:55 pm, Jason Grout jason-s...@creativetrax.com wrote: Harald, did you do any work on this that you could post to a trac ticket or something? No, i haven't. Just looked at openopt itself. On Jan 28, 10:04 pm, William Stein wst...@gmail.com wrote: I wonder if openopt isn't mature

[sage-devel] continued_fraction oddity

2009-01-26 Thread Harald Schilly
Hi, on the public bug tracker I got this one: http://spreadsheets.google.com/ver?key=pCwvGVwSMxTzT6E2xNdo5fAt=1232807032283000pt=1232807012283000diffWidget=trues=AJVazbXBr2D7KZ6E3qJBWICjRrHj5pKG-Qpli=1 quote: A simple call to the function with an irrational number returns a list for the

[sage-devel] Re: python vs java for scientific computing

2009-01-23 Thread Harald Schilly
On Jan 23, 10:09 am, ahmet alper parker aapar...@gmail.com wrote: Is there someone who has experience with compiling a java code to native code on an operating system? the standard java virtual machine by sun already compiles java bytecode to native machine code. this is called hotspot

[sage-devel] Re: python vs java for scientific computing

2009-01-23 Thread Harald Schilly
On Jan 23, 3:47 pm, Alfredo Portes doyenatc...@gmail.com wrote: By the way you may consider using JNA to access native libraries. thx, didn't know about that! --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Re: http://boxen.math.washington.edu:8080/

2009-01-22 Thread Harald Schilly
On Jan 22, 4:05 am, mhampton hampto...@gmail.com wrote: Yeah, everything seems to work except the dev map for me. that's no surprise, the map is tied to the correct domain. Have you also tested if downloading works? That's probably the #1 feature everything is about :) Thanks to all for

[sage-devel] Re: http://boxen.math.washington.edu:8080/

2009-01-22 Thread Harald Schilly
On Jan 22, 1:20 pm, David Joyner wdjoy...@gmail.com wrote: The following links yield a forbidden error: http://boxen.math.washington.edu:8080/doc http://boxen.math.washington.edu:8080/doc/tut/tut.html thx for spotting this. I suspect this has somethign to do with the different host-url

[sage-devel] Bardzo mądry kalkulator

2009-01-22 Thread Harald Schilly
Really cool summary, even though it is in polish. http://notatnik.mekk.waw.pl/archives/126-Bardzo_madry_kalkulator.html google's translation (Very clever calculator) http://translate.google.com/translate?hl=enu=http%3A%2F%2Fnotatnik.mekk.waw.pl%2Farchives%2F126-Bardzo_madry_kalkulator.html

[sage-devel] Re: python vs java for scientific computing

2009-01-21 Thread Harald Schilly
On Jan 21, 6:21 am, rjf fate...@gmail.com wrote: In my experience, people doing scientific calculations for a living will not tolerate a language implementation X whose programs are substantially slower than equivalent ones in a language implementation Y. I don't know any details, but I

[sage-devel] Re: python vs java for scientific computing

2009-01-20 Thread Harald Schilly
On Jan 21, 12:29 am, rjf fate...@gmail.com wrote: You might like to read  How Java’s floating-point hurts everyone everywhere (1998) by W Kahan, J D Darcy and other papers (like Darcy MS thesis).http://www.cs.berkeley.edu/~wkahan/JAVAhurt.pdf for arguments that suggest  Java has certain

[sage-devel] internal server error for Log link

2009-01-06 Thread Harald Schilly
Hi, I got a possible bug from the notebook's bug report link. Is there somebody who could confirm this? I didn't found something in trac... http://spreadsheets.google.com/ver?key=pCwvGVwSMxTzT6E2xNdo5fAt=1231239688226000pt=1231239668226000diffWidget=trues=AJVazbWGmhG3lc0ZC-EUq7UehwJbk9WWmQ

[sage-devel] File Not Found after Cancel pressed in password Settings

2009-01-06 Thread Harald Schilly
Hi, I got this bug report from notebook's bug report link. Somebody who could confirm this? I didn't find something related in trac, just an older ticket where the settings dialog was implemented...

[sage-devel] Re: Problem compiling sage 3.2.1

2008-12-30 Thread Harald Schilly
On Dec 30, 12:48 pm, Hassan hsn.zam...@gmail.com wrote: I have just compiled sage on fedora 10. Can you please tell us which source file you downloaded and what commands have you entered prior to this errors? thx, harald --~--~-~--~~~---~--~~ To post to this

[sage-devel] Re: dump lisp and maxima from sage?

2008-12-29 Thread Harald Schilly
basically, +1 On Dec 29, 10:28 pm, Burcin Erocal bur...@erocal.org wrote: It would be good to start a wiki page to make a list of what needs to be replaced/rewritten to be able to drop the maxima dependency without losing functionality. good idea, there could also be a separate trac

[sage-devel] FireUnit testing framework for JavaScript

2008-12-19 Thread Harald Schilly
I found this blog posting: http://ejohn.org/blog/fireunit/ about http://fireunit.org/ It's a testing framework for javascript, for the firebug extension in firefox. It says it is in a very early stage, but probably interesting for the notebook javascript code - especially because you can

[sage-devel] Re: spkg vote: SageTeX

2008-12-18 Thread Harald Schilly
On Dec 18, 12:52 pm, Dan Drake dr...@kaist.edu wrote: So, should we include SageTeX as a spkg? +1 from me, too. One thing i want to add: when i started to edit the old embed_latex code, i had the vision to make this a command line switch of sage itself. i.e. $ sage -tex file.tex I don't know

[sage-devel] Re: Notebook themes

2008-12-13 Thread Harald Schilly
On Dec 13, 12:44 am, Elliott elliottbross...@gmail.com wrote: Alright: I've made an initial version of a notebook theme... Well, I should have told you about the white-background-people ;) For me, maybe you should try the left color in the second row of the color scheme i have posted as the

[sage-devel] transform html with sage code to html+png

2008-12-13 Thread Harald Schilly
Hi, at SD10 i've started to write a converter for xHTML code with embedded Sage commands to xHTML with plots as png images. It consists of one single python file, which is called with a list of html files as arguments (variables defined in earlier html files are then available in later ones) and

[sage-devel] Re: advertisement for sage in dutch journal

2008-12-12 Thread Harald Schilly
On Fri, Dec 12, 2008 at 13:52, Jaap Spies j.sp...@hccnet.nl wrote: Hi, Today the postman delivered the journal! See my scan. Very cool. Let's wait and see what happens! H --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com

[sage-devel] Re: Notebook themes

2008-12-10 Thread Harald Schilly
On Dec 10, 7:54 pm, Elliott [EMAIL PROTECTED] wrote: On Dec 9, 3:05 am, Harald Schilly [EMAIL PROTECTED] wrote: I've recently developed a new color scheme for the black/white poster some time ago. I can send you the hex-numbers. It's different from the website, but probably better

[sage-devel] Fwd: LiE, a potential component for sage

2008-12-03 Thread Harald Schilly
Hello, got an e-mail about LiE package inclusion. On Wed, Dec 3, 2008 at 06:09, Joe Pleso [EMAIL PROTECTED] wrote: Hi, I was looking at the long list of components that are part of sage, and I have a suggestion that would be nice to have added to the list. It is an algebra package that does

[sage-devel] Re: Computeralgebra Rundbrief

2008-12-03 Thread Harald Schilly
Hi, I'll read and edit the .tex file and send you a diff. Then you can decide what to do or think about a third option ;) On Dec 3, 7:40 pm, Michael Brickenstein [EMAIL PROTECTED] wrote: - it is completely unclear to most readers, that it is quite cool to be able to wrap C-Code with so few

[sage-devel] Re: SageAndLinux

2008-11-30 Thread Harald Schilly
On Nov 30, 12:38 am, William Stein [EMAIL PROTECTED] wrote: We could make a modified version of AndLinux and rebrand it say SageLinux, which would be the above but with Sage preinstalled, and maybe a slightly larger drive. For me, this sounds good and seems to be a better solution than the

[sage-devel] Re: typos on Sage links page

2008-11-16 Thread Harald Schilly
On Nov 17, 1:12 am, Minh Nguyen [EMAIL PROTECTED] wrote: Hi folks, thx, but for the future, could you please either send me an email (webmaster @ the bottom of the page) or issue a trac ticket (component: website)? it's possible that I miss it if it is just posted here. h

[sage-devel] Re: symbolic summation interface

2008-11-14 Thread Harald Schilly
On Nov 14, 9:26 am, Jason Grout [EMAIL PROTECTED] wrote: sage: sum(2^i for i in range(n+1)) sum(i for i in (1..oo)) They look nice, but i doubt if they could work. e.g. think of more than one variable and relationships between them (e.g. for all i,j in N where ij and i mod 7 == 0 and so on)

[sage-devel] Re: Mathematica 7 coming

2008-11-14 Thread Harald Schilly
* Discrete calculus i think they mean finite element methods, for PDEs and stuff like that h --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more

[sage-devel] Re: advertisement for sage in dutch journal

2008-11-13 Thread Harald Schilly
On Nov 13, 8:25 am, Dan Drake [EMAIL PROTECTED] wrote: ... is there any progress on that front? Hi, yes and no, I still have it in my head but no time at the moment. Is there a certain deadline? I could try if I can do something this weekend. Any specific wishes for the size? I assume your us

[sage-devel] Re: LORENE tensor

2008-11-13 Thread Harald Schilly
Hello, basically, everything that interests somebody could be included in Sage. The procedure is first to create some bindings (we use Cython) to call C/C++ code from python. (i.e. it should convert the vectors/matrices/tensors from sage to the specific data structures , etc.) Then, a so called

[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: Links between worksheets

2008-11-04 Thread Harald Schilly
On Nov 4, 2:04 pm, mhampton [EMAIL PROTECTED] wrote: I think SageTeX deserves to have a more prominent place on the webpage It's on http://sagemath.org/tour-research.html (not new, there since months) but it could be more visible -- although as always, making more things visible makes

[sage-devel] website, random links on index.html

2008-11-04 Thread Harald Schilly
Hello, in my last post about sagetex and more exposure of sage pages, i had the idea to create a random link (not really random, there is nothing like that in apache ssi, but the seconds of the timestamp are more than ok) therefore, there are now 10 links that are very prominent on the index.html

[sage-devel] sage benchmarks on website

2008-11-03 Thread Harald Schilly
Hi, I have the idea to create a website for sage benchmarks. It will be part of the tour and you can see a stub here: http://sagemath.org/tour-benchmarks.html Therefore I want to collect some examples that show what Sage can do really fast. I can remember the PartitionsP function, polynomials,

[sage-devel] sage on google knol

2008-11-02 Thread Harald Schilly
by Sage people. It's more similar to everything2.com. So, if someone wants to edit it, i set it to moderated edits. http://knol.google.com/k/harald-schilly/sage h --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: Why Sage needs var(...) commands unlike Mathematica?

2008-11-02 Thread Harald Schilly
On Nov 2, 8:27 am, Justin C. Walker [EMAIL PROTECTED] wrote: People coming from a Mathematica background should not assume that   they know all there is to know about how to use a Computer Algebra   System... no, better not, but sage isn't the answer to the question of all questions either. I

[sage-devel] Re: sage on google knol

2008-11-02 Thread Harald Schilly
On Nov 2, 8:12 pm, William Stein [EMAIL PROTECTED] wrote:   Are there related articles in knol that you know of that one might look at to get a sense of what the Sage page should potentially look like in the long run? No, not really, but since it is more a collection of articles than a

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-29 Thread Harald Schilly
On Oct 28, 3:19 pm, mabshoff and others wrote: T-shirt! T-shirt! T-shirt! :) Uhm, just printing this ad on a t-shirt won't work. First the color version, then (I assume) wallpaper edition and then I'll think about t- shirts :) h --~--~-~--~~~---~--~~ To post to

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-28 Thread Harald Schilly
On Oct 23, 11:09 pm, Justin C. Walker [EMAIL PROTECTED] wrote: - The background buckyball seems distracting to me. How does it look without that? It was boring without it, that's the reason why I introduced it in the first place ;) Contrasts are changed in a way, that it is always

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-28 Thread Harald Schilly
On Oct 28, 3:10 pm, Jason Grout [EMAIL PROTECTED] wrote: It looks great! It's by my office door now. We will be having a conference that features an introduction to Sage in about two weeks; can I use this as a promotional flyer? Thx, and very cool ;) Yes, sure, promote what you can, that's

[sage-devel] Re: notebook jumping when @interacts are updated

2008-10-23 Thread Harald Schilly
On Oct 23, 3:14 am, Jason Grout [EMAIL PROTECTED] wrote: I notice that lots of times, when changing the value of a control in an interact and the interact updates, the notebook automatically scrolls up so that the interact is only partially shown. ... Hi, I notice the same but I'm don't know

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-23 Thread Harald Schilly
On Oct 23, 3:04 am, Dan Drake [EMAIL PROTECTED] wrote: On Wed, 22 Oct 2008 at 04:56PM -0700, mhampton wrote: I don't really like the bottom, it seems too busy to me with the graph in the background. I really like the top three panels. I agree, the graph seems a bit much...but the ad will

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-23 Thread Harald Schilly
Version 4 up: http://sage.math.washington.edu/home/schilly/ad/ H --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at

[sage-devel] advertisement for sage in dutch journal

2008-10-22 Thread Harald Schilly
Hi all, as those who attended SD10 already know, I was working on an advertisement for Sage. Before it gets actually printed (on real paper), I want to collect some feedback, especially since I've never done such a thing before... What bothers me most is the text, please do proofreading or

[sage-devel] Re: advertisement for sage in dutch journal

2008-10-22 Thread Harald Schilly
On Oct 23, 12:29 am, William Stein [EMAIL PROTECTED] wrote:  That said, we could put the TM in anyways for symmetry, ... yes, that's true, but i have no idea if it is necessary at all. Also, if a (in my eyes) silly TM is enough. It also depends if it is a trademark where it is printed and

[sage-devel] Re: Source on webpage

2008-10-17 Thread Harald Schilly
On Oct 17, 2:48 pm, Jason Grout [EMAIL PROTECTED] wrote: We sort of have this now.  Notice how the webpage still points to 3.1.2. Just to make this clear: I update the webpage rather late, because it doesn't satisfy a normal user, if it would say 3.1.3 but there are only sources. Therefore, I

[sage-devel] Re: Bordeaux talk tomorrow

2008-10-16 Thread Harald Schilly
Wow, cool talk, almost works like a marketing folder for advanced maths stuff. I think I should incorporate some examples in the tour/ research page on the website. h --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To

[sage-devel] Re: Source on webpage

2008-10-15 Thread Harald Schilly
Hi, I know that it is important to emphasize on open source. Therefore I even mention the GPL license in the first sentence. There are also two links to the source browser on the index.html page since a long time: one is in the header of each page, open source in the first line and below the 6

[sage-devel] Re: sagemath.org website update #5

2008-10-14 Thread Harald Schilly
On Oct 14, 4:41 pm, Robert Bradshaw [EMAIL PROTECTED] wrote: Just out of curiosity, are you still keeping download stats? no, the point is, to get viable download stats you have to look at the webserver stats, see williams posting. I want to implement some tracking across all mirrors for

[sage-devel] sagemath.org website update #5

2008-10-12 Thread Harald Schilly
Hello all, here is a short update about the sagemath.org website. First, when i started to monitor the access, the usual number of visits per day was 800-1000. It still varies, but you can think of 2000 visits per day now. Mainly due to more exposure and blogs, more teaching of sage and much

[sage-devel] Re: gphone

2008-09-29 Thread Harald Schilly
On Sep 29, 3:02 am, William Stein [EMAIL PROTECTED] wrote: However, in point of fact, it would likely feel better to use Sage over the net or via even Edge/3g than to use Sage natively, since the iphone processor is going to easily be 5 times slower for serious math than a good remote

[sage-devel] Re: gphone

2008-09-28 Thread Harald Schilly
hi, since it is using android and therefore you can only code inside the dalvik java vm and not natively, there will never be a port imo. a much better approach would be to create a special notebook interface for this kind of webkit based web browser - this is the same for iphone and the g1.

[sage-devel] Re: Notebook Version #

2008-09-23 Thread Harald Schilly
yesterday, i had exactly the same idea ;) +1 --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at

[sage-devel] Re: upcoming python versions update

2008-09-20 Thread Harald Schilly
On Sep 20, 4:21 pm, Ondrej Certik [EMAIL PROTECTED] wrote: ...but hopefully it will be easy to fix it. I don't know how good this is or if anybody has used it, but there is a 2to3 tool and a recommended procedure at http://www.python.org/dev/peps/pep-3000/#compatibility-and-transition h

[sage-devel] Re: ticket #1389 for Status of Development web page

2008-09-19 Thread Harald Schilly
On Fri, Sep 19, 2008 at 05:33, Minh Nguyen [EMAIL PROTECTED] wrote: http://www.sagemath.org/development-status.html the heading SAGE: Timeline - Sage ... Sorry, that's not part of the website and automatically generated by the RSS feed of the trac site. So, someone who knows where to

[sage-devel] Re: mini talk during Software Freedom Day 2008

2008-09-17 Thread Harald Schilly
On Sep 17, 9:33 am, Minh Nguyen [EMAIL PROTECTED] wrote: My current plan is to cover the above three CASes from a pedagogy perspective, then talk about Sage as a CAS that assembles together under a common interface ... 3 in 3 minutes sounds a bit too dense for me! I would focus on the web

[sage-devel] Re: make it clear that Sage is GPL

2008-09-17 Thread Harald Schilly
On Sep 17, 11:39 am, Mike Hansen [EMAIL PROTECTED] wrote: Maybe it was updated recently, but the very first lines... Just for the record, I edited this line on aug 24th. So, just bad timing i guess. h --~--~-~--~~~---~--~~ To post to this group, send email to

[sage-devel] sagemath.org website info #4

2008-09-07 Thread Harald Schilly
hi, some time ago since my last report on website statistics. i'll only write about the more interesting things for now. data is about a single day or the last 2 weeks. 0. to make you paranoid, i've added tracking code to trac and the wiki, i'll tell you later more about this ;) 1. more

[sage-devel] Re: registration-free login to sagenb.org?

2008-09-05 Thread Harald Schilly
On Sep 5, 12:13 pm, Stan Schymanski [EMAIL PROTECTED] wrote: I stumbled across the following link offering a public account and password to log into sagenb.org:http://www.bugmenot.com/view/sagenb.org account disabled. the problem is the university of washington policy, they require some non

[sage-devel] Re: Sciface Software GmbH (makers of MuPAD) bought by Mathworks (i.e. the MATLAB people)

2008-09-04 Thread Harald Schilly
On Sep 4, 2:59 am, mabshoff [EMAIL PROTECTED] wrote: http://www.heise.de/newsticker/MuPAD-verschwindet-aber-nur-als-Produk... in google english:

[sage-devel] Re: diagonal matrix constructor

2008-09-04 Thread Harald Schilly
On Sep 4, 10:54 pm, Jason Grout [EMAIL PROTECTED] wrote: Inhttp://trac.sagemath.org/sage_trac/ticket/3704, the diagonal matrix constructor is modified (and simplified/enhanced) to let someone do: sage: diagonal_matrix(1,2,3) hi, i didn't read the patch and don't want to comment much, but

[sage-devel] Re: diagonal matrix constructor

2008-09-04 Thread Harald Schilly
On Sep 4, 11:45 pm, Jason Grout [EMAIL PROTECTED] wrote: Note that there was a patch up on trac to make vector also behave this way, so that vector(1,2,3) gives a vector of three elements. yeahr, well, i think it was somewhere else too, but i don't remember. the point is, i think, that this

[sage-devel] Re: reopening Sage - Blender discussion

2008-09-01 Thread Harald Schilly
On Sep 1, 11:05 am, root [EMAIL PROTECTED] wrote: It would seem that ray tracing should be a fully parallel task. Yes, it is, but multicore isn't the issue I think. Images can be split up into smaller rectangles (i.e. rendering a single image by 4 cores in parallel by splitting it into a 2x2

[sage-devel] Re: About my presentation in France

2008-08-31 Thread Harald Schilly
On Aug 30, 2:12 am, Philippe Saade [EMAIL PROTECTED] wrote: ** real need of tutorials and ready to use worksheet with well documented used case. Hi, I've started to write down some ideas about more sage documentations here: http://wiki.sagemath.org/DocumentationProject It's not finished, but

[sage-devel] Re: Documentation Quality Initiative

2008-08-27 Thread Harald Schilly
On Aug 27, 1:17 am, Minh Nguyen [EMAIL PROTECTED] wrote: I'll keep you updated on this tutorial in the next few weeks. great! also linking to pari, R and other tutorials from the sage documentation page is a good idea if someone wants to understand those modules better. h

[sage-devel] Documentation Quality Initiative

2008-08-26 Thread Harald Schilly
Hi, I want to propose a process to increase the quality of the Sage documentation. This is the by far most annoying thing about Sage according to the last survey. I think the userbase is already big and willing enough to contribute more documentation. To do this in a more coordinated way, there

[sage-devel] Re: Documentation Quality Initiative

2008-08-26 Thread Harald Schilly
On Aug 26, 8:56 pm, William Stein [EMAIL PROTECTED] wrote: Are you saying: I, Harald, am willing to organize this,... Ok, then I will start this on a wiki page and yes, organizing is something i'm better than writing text. H --~--~-~--~~~---~--~~ To post to this

[sage-devel] Re: Templating engine for the Notebook

2008-08-25 Thread Harald Schilly
Hi On Aug 25, 1:39 pm, Timothy Clemans [EMAIL PROTECTED] wrote: I am very interested in the possibility of migrating the Sage Notebook to Django. Moving all the Notebook's HTML to Jinja templates is the first step in migrating. My comments on that are based on my experience with something

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