Thanks for those David - they look great and will appear on walking randomly soon. Best Wishes, Mike
On Dec 10, 1:17 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: > On Wed, Dec 10, 2008 at 3:00 AM, [EMAIL PROTECTED] > > <[EMAIL PROTECTED]> wrote: > > > Hi all > > > I hope you didn't mind me highlighting your design David :) I liked > > it even though I didn't understand it. > > I know it's frivolous but if any of you do have any submissions then > > it would be great. > > There is > alsohttp://sage.math.washington.edu/home/wdj/art/barnsley-fern-xmas4c.png > It used GIMP, Inkscape (for the text) and this Sage > code:http://sage.math.washington.edu/home/wdj/art/barnsley-fern.sage > Also, there > ishttp://sage.math.washington.edu/home/wdj/art/sierpinski-seasons-greet... > which used the Sage > codehttp://sage.math.washington.edu/home/wdj/art/sierpinski-seasons-greet... > There is a letter-size "poster" in pdf > athttp://sage.math.washington.edu/home/wdj/art/seasons-greetings-sage.pdf > and an A4 size one > here:http://sage.math.washington.edu/home/wdj/art/seasons-greetings-sage-a... > > > > > Funnily enough, this Christmas whimsy of mine highlighted one issue of > > closed source mathematical applications that would be (at least > > partially) solved with an open-source package. I found a nice > > animation that someone had written in Maple 5 > > >http://www.walkingrandomly.com/?p=423 > > > However, it doesn't run in modern versions of Maple and it is probably > > rather difficult to get hold of a copy of Maple 5. This is not very > > serious with it being a Christmas animation but if it formed the basis > > of some research then it would be a problem for future generations. I > > note that SAGE includes full source code for every version ever > > released so if someone writes code that only works on a particular > > version of SAGE then I have a fighting chance of getting it to run. > > > Best Wishes, > > Mike > > > On 1 Dec, 11:36, mabshoff <[EMAIL PROTECTED]> wrote: > >> On Dec 1, 2:47 am, "David Joyner" <[EMAIL PROTECTED]> wrote: > > >> > That p-adic one is actually my design! Here is another > >> > one:http://www.usna.edu/Users/math/wdj/greeting.jpg > >> > It's a Barnsley fractal I programmed in C long ago, though I've lost the > >> > code. > >> > I'll try to recreate it in Sage. > > >> > On Mon, Dec 1, 2008 at 4:56 AM, Harald Schilly <[EMAIL PROTECTED]> wrote: > > >> > > Fromhttp://www.walkingrandomly.com/?p=395featuringsomeSage code > >> > > for a card, and a mathematica snowflake, ... > > >> > > """ > >> > > You[r] task is to design a Christmas message with a mathematical theme > >> > > using any mathematical system or programming language of your choice. > >> > > Your design must be generated algorithmically (so you can't design it > >> > > in Photoshop and import it into Mathematica for example) and it must > >> > > include source code. Ideally, you should include a quick explanation > >> > > of the mathematics you featured in your design. > >> > > """ > > >> Very nice. We should definitely encourage people to participate and > >> get them to donate their Sage code to expand the gallery we have for > >> Sage :) > > >> > > greetings Harald > > >> Cheers, > > >> Michael --~--~---------~--~----~------------~-------~--~----~ 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 http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
