Awesome! Feel free. :) I recorded it with a program called FFSplit ( http://www.ffsplit.com/ ) ... It's designed for gamers streaming to twitch or something but also supports recording directly to disk. Then I edited it in blender.
@Jon and others who mentioned 1&p: ... Yeah, I just forgot about it, although I did kind of want to show the colored version with the number of factors. I didn't really spend a lot of time on the code. It was more like: << I wonder if I can do this?. Oh! that was easy, and just one line. I should make a video about it! >> :) On Tue, Sep 8, 2015 at 7:10 AM, Devon McCormick <devon...@gmail.com> wrote: > Hi Michal - > > Thanks for posting this. We'll probably discuss it at this evening's > NYCJUG meeting. Do you have any tips on the mechanics of putting this > together? I'm particularly interested in how you did the J session > side-by-side with your "talking head". > > Thanks, > > Devon > > On Wed, Sep 2, 2015 at 5:16 AM, Michal Wallace <michal.wall...@gmail.com> > wrote: > > > Thanks for the feedback, everyone! > > Next time I do one of these, I'll post the script before I film it. > > > > I didn't know about (or remember?) the volutions article. > > I just threw the code together in a couple minutes, and thought it would > > make a fun video for J outsiders. > > > > > > > > On Tue, Sep 1, 2015 at 3:11 PM, 'Pascal Jasmin' via Programming < > > programm...@jsoftware.com> wrote: > > > > > I'm not sure if I came up with this or not, > > > > > > but a spiral that starts at 0, and initially turns right. The y > argument > > > is the square shape of the resulting spiral, so it doesn't end at the > top > > > right like yours. > > > > > > (,~ $ |.@/:@(+/\)@(_1&|.@(}:@(2: # >:@i.) # <:@+: $ _1: , ] , 1: , > -))) 7 > > > > > > some of the neat properties of this, > > > squares of even numbers go diagonally up left from 0. > > > squares of odd numbers go diagonally down right from 1 > > > > > > That is a very cool video though. A version of q: that will not fail > for > > > 0, > > > > > > viewmat (#@q: :: 0:)"0 (,~ $ |.@/:@(+/\)@(_1&|.@(}:@(2: # >:@i.) # > <:@+: > > $ > > > _1: , ] , 1: , -))) 15 > > > > > > ----- Original Message ----- > > > From: Michal Wallace <michal.wall...@gmail.com> > > > To: programm...@jsoftware.com > > > Cc: > > > Sent: Monday, August 31, 2015 11:09 PM > > > Subject: [Jprogramming] video: Ulam's Spiral > > > > > > Hey all, > > > > > > I made a 15 minute video about a line of J code I wrote a while back: > > > > > > https://www.youtube.com/watch?v=dBC5vnwf6Zw > > > > > > -Michal > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > -- > Devon McCormick, CFA > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
