...)
sage: P2 = Zp(7&# 41;.plot&# 40;rgbcolo r=(1,0 ,0) 1;
sage: P3 = text(& quot;$Seas ons$ $Greetings$ ", 0;0.0,1.8& #41;)
sage: P4 = text(& quot;$from $ $everyone$ $at$ sagemath.o rg!", (0.1,- 1.6)&# 41;
sage: (P1+P2 +P3+P4) ;.show( ;axes=Fals e)
I thought I would have at doing one and came up with the design below by re-using some Mathematica code from a Wolfram Demonstration . The design is based on a fractal called the Koch Snowflake .
Koch[0] = {{0, 0}, {1, 0}, {1/2, -(Sqrt [3]/2) }, {0, 0}} /... [Show More]
Via Matematicamente
è arrivato il 14 ottobre , giorno dedicato alla sesta edizione del Carnevale della Matematica, ospitata con grande piacere da Matem@ticaMente. Leggete la sezione dedicata per scoprire i blog, che hanno ospitato le edizioni precedenti, e altre informazioni sull’iniziativa.
E adesso mettetevi comodi perché i contributi da segnalare sono tanti e vari, per cu...... [Show More]
friday relax Post Source: www.kerodicas.com Posted: Oct 03 2008 22:54:00
Esta é mais uma edição do “nosso” Friday Relax, que aumenta de tamanho todas as semanas!
Esta semana temos muitos wallpapers, vários sites e claro, muita personalização!
- Wallpapers:
...... [Show More]
Sage è un programma open source dedicato allo studio della matematica in tutti i suoi aspetti. Non si tratta del solito prodotto per la visualizzazione di funzioni e grafici ma di un vero software di matematica avanzata adatto sia per le attività più elementari che per la teoria dei numeri, l’algebra, la crittografia e molto altro, e che si affianca ai prodotti commerciali più noti come Mat...... [Show More]
In my last post I talked about using MatLab to help with teaching multivariable calculus at Reykjavik University. Well, what happened was that Mathworks , the makers of MatLab, were dragging their feet in getting us the Symbolic Toolbox for MatLab (needed for defining and working with variables); so we decided to switch to some other computer algebra system. The open-source SAGE came ou...... [Show More]
I’m always searching for free ( open source ) alternatives to commercial software apps for use in my classroom.
It takes so long to get the district purchasing department to make moves of any kind for software.
Here is a little list I’ve compiled of some interesting apps for use by home schoolers ( Nia Knowles!) or cash strapped math departments.
Enjoy!
GeoGebr...... [Show More]
Недавно узнал такой приёмчик: внутри документа LaTeX можно исполнять скрипты на Python. Можно испол ьзова ть, например, для автом атиче ской генерации фрагм ентов текста (на риме , таблиц, илюст раций ), считы вания данных из в...... [Show More]
shut up and program Post Source: bit-player.org Posted: Sep 03 2008 19:01:23
This is an update to “ Shut up and calculate! ” (which was posted here three weeks ago, 2008-08-12).
Many thanks to the readers who have suggested programming languages or environments for inquisitive computing. There are a dozen or so recommendations in the comments to the earlier post, and I’ve received even more by private correspondence. Here is a summary of the su...... [Show More]
Today was the qualification round of Google Code Jam 2008. This year Google remodelled the contest format, moving from the traditional competition arenas where you code using some of the pre-specified languages (usually C++/Java/P ython/VB&# 41; directly into a window and the code is compiled and run server-side, to a more open format where you just download an input file and submit the output...... [Show More]
Vincent Noel has a post on his blog about the release — in beta form — of the Enthought Python Distribution . Like the SAGE distribution, which we covered recently, Enthought’s distribution is an all-option s-included installation of Python for scientists.
Noel describes the differences between the two packages in his post:
EPD is smaller than SAGE in size and als...... [Show More]
links for 20080529 Post Source: feeds.feedburner.com Posted: May 29 2008 06:35:34
Why Should Engineers and Scientists Be Worried About Color? (Bernice E. Rogowitz, Lloyd A. Treinish)
(tags: via:arsyed visualization color perception graphic-design pedagogy communication graphing affordances )
SAGE: Open Source Mathematics Software
(tags: via:nequitans science computing mathematics open-source scicomp platform mma P...... [Show More]
Hello and welcome to the 33rd edition of the Carnival of Mathematics . This carnival very nearly didn’t happen since I didn’t realise that no one had offered to host it until a couple of days ago! I toyed with the idea of letting this edition of the carnival lapse and write something in a fortnights time but then that would break the carnivals unbroken run of 33 publications (we...... [Show More]
python Post Source: eli.thegreenplace.net Posted: May 14 2008 16:36:36
As I wrote extensively earlier, I’m not fully satisfied with either Perl or Ruby for my main programming language of choice. I always knew there is the third option, Python , but for some reason never paid any serious attention to it.
Well, this is about to change - I’ve decided to give Python a try. What gave me the push was two things:
I was playing with wxWidgets earlier thi...... [Show More]
One of the advantages of scripting languages like Python is the multitude of modules you can install and leverage in your research. One of the disadvantages of scripting languages like Python is the multitude of modules you can install and leverage in your research. Anyone who has worked with packages like Numpy and Scipy will know the dilemma: On the one hand, there is a lot of useful code in t...... [Show More]
Regular readers of this blog will know that I have been keeping an eye on the open source mathematics package, SAGE , but have never really had time to take a closer look at it. A couple of things happened recently that made me find time to sit down and have a play with this extremely promising piece of software.
First of all I discovered that the developers of SAGE have been implementing a co...... [Show More]
Vincent Noel :
[ SAGE ] is basically a wrapper around Python with tons of scientific packages added, all nicely pre-compiled into tasty binaries just for you by very nice people (which involves tons of work, not as simple as it sounds). These goodies come in gzipped tarballs that you dump into your $HOME. You can then launch the sage program, which handles regular Python just fine and in...... [Show More]
Version 3.0 of the open-source maths package, SAGE Math , was released yesterday. I have been fiddling with SAGE a bit from time to time and it looks like a great piece of software but I am yet to get my hands properly dirty with it. At work I have just gained access to Maple 11 , Origin 8 and COMSOL 3.4 as well as an 8 core Mac-pro and a new dual core Linux machine so my plate is pretty f...... [Show More]
In Matlab if you type the command
whos
then you will get a detailed list of all of the variables in the current workspace which is often very useful. The equivalent command in SAGE-Math is
show_ident ifiers( ;)
I hope someone finds this useful....... [Show More]
I love python for its beautiful code and practicality. But it’s not going to win a pure speed race with most languages. Most people think of speed and ease-of-use as polar opposites - probably because they remember the pain of writing C. Cython tries to eliminate that duality and lets you have python syntax with C data types and functions - the best of both worlds. Keeping in mind that I...... [Show More]
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Mozilla [NPL/MPL/LGPL/GPL]
Mozilla SeaMonkey [MPL, NPL]
Sylpheed-Claws
MicroPlanet Gravity [BSD]
Eudora [???]
Athea
Mahogany
Polarbar Mailer
Magic Mail Monitor 3 [GNU GPL]
Phoenix Mail
MailReactor [GNU LGPL]
RoundAbout [GNU GPL]
AmphetaDesk
KookieJar (signature generator)
POPFile
Outclass [GNU GPL]
mutt [GNU GPL]
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