J has a brilliant Life demo at studio/demo 2009/5/26 Tracy Harms <[email protected]>
> Devon, > > The demo of Conway's Life in APL http://tr.im/hVvp is a very nice > presentation that will likely be familiar to your audience. One > possibility would be to rework that code in J, perhaps working in > parallel to the steps shown in the video. > > When I did something like that for myself one thing that jumped out at > me was the way J lets me do two rotations in a single function, with > each rotation specified by an atom in the left vector. I especially > enjoyed seeing the simplification provided by |. and I furthermore > think the J symbol is visually mnemonic in the same manner as the two > APL rotation primitives it replaces. > > That's a simple, clear example that shows how J extends > array-thinking. Other examples may emerge from translating or > abstracting that demo code. > > Tracy > > > On Thu, May 14, 2009 at 12:18 PM, Devon McCormick <[email protected]> > wrote: > > Members of the Forum - > > > > I'm supposed to give a 40-minute or so talk at BAPL09. I've chosen as my > > topic "The State of SIGAPL and Musings on J": a report on the status and > > prospects of the (former) SIGAPL will be followed by a brief introduction > to > > J and how it continues Iverson's legacy. > > > > Unfortunately, the SIGAPL portion of this talk shouldn't take more than a > > couple of minutes, so I've got to come up with something about J that > would > > be interesting to a bunch of APLers. I have a few ideas but would be > > interested in hearing what people would suggest. > > > > Also, is anyone else from this forum going? > > > > Thanks, > > > > Devon > > > > -- > > Devon McCormick, CFA > > ^me^ at acm. > > org is my > > preferred e-mail > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fugl&Fiskur ehf, Þerneyjarsundi 23, Hraunborgum Po Box 127,801 Selfoss , t-póst: [email protected] gsm: +3546985532 Landslags og skrúðgarðagerð, gröfuþjónusta http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
