I like the way array addition is shown in plus 3x3, but I think that there are perhaps too many numbers so that it looks a bit busy and hard to grasp at that speed.
But my favourite is plus2.key (not linked on the wiki page) http://www.youtube.com/watch?v=FBlNIAKDveU&feature=channel > From: bob therriault > > Hey everybody, > > I've posted three versions of the Plus (+) animation on the Jwiki here: > http://www.jsoftware.com/jwiki/Vocabulary/plus > These incorporate previous suggestions of including J code, colliding > 3d matrix planes (with explosions!) and 2d rearrangements. I have my > preference, but I would love to have feedback from a wider sample. > > Cheers, bob > > On -Feb23-2010, at -Feb23-20105:22 PM, 0j1 wrote: > > > You could show the J code using variables such as x and y, and > display the > > values of x and y graphically without showing how they were created. > > > > bob therriault wrote: > >> Hi Skip, > >> The challenge I faced with showing the J code for these reference > videos was > >> how to create a matrix without introducing either the Shape ($) or > Integer > >> (i.) verbs into the explanation (which increases both the duration > and the > >> cognitive loading). For the tutorial approach, I think the 'coding > window' is > >> essential, but not so much for the reference. Any ideas on how I can > get the > >> 'code' back into the reference video efficiently would be welcome. > >> Cheers, bob > > > > --------------------------------------------------------------------- > - > > 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
