Yes, impressive. But as usual the part that I could not follow just told me that even if the author can do it easily, I can't. I have been a newbee on J for some years, but a lot of it I still don't master. I still use J602 because I didn't manage to make the later versions run.
I love short programs like these M=.+/%# NB. Mean value R=.M&.:*: NB. Root mean square D=.-M NB. Deviation from mean S=.R@D NB. Standard deviation A=.M,.S NB. Arithmetic mean and standard deviation G=.A&.:^. NB. Geometric mean and standard deviation A 98 2 50 48 G 98 2 14 7 50(+,-)48 98 2 14(*,%)7 98 2 (-,+)/A 11+i.10 NB. Summary. mu minus or plus sigma 12.6277 18.3723 Thanks. Bo. Den 19:17 fredag den 7. marts 2014 skrev Roger Hui <rogerhui.can...@gmail.com>: V. nice. > >I note that the video basically does not make use of sound in the sense the >if you mute it, the information content is the same. The video >https://www.youtube.com/watch?v=DmT80OseAGs (Sudoku in APL, by John >Scholes) has a different approach wrt sound. From what I understand the >narration is difficult to do well and required lots of practice. > > > > > > >On Fri, Mar 7, 2014 at 5:11 AM, Martin Saurer <martin.sau...@bluewin.ch>wrote: > >> Hello all Jers, >> >> >> >> My two cents (or 15 minutes) to show what J can do. >> >> >> >> Feedback is welcome. >> >> >> >> <https://www.youtube.com/watch?v=VSJpJt3c11c> >> https://www.youtube.com/watch?v=VSJpJt3c11c >> >> >> >> >> >> ---------------------------------------------------------------------- >> 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