Do you want an explanation? Or would it be more fun to work it out by yourself?
Thanks, -- Raul On Sat, Nov 2, 2013 at 7:37 AM, Ben Gorte - CITG <[email protected]>wrote: > Do you mean the over/by thing of > http://www.jsoftware.com/help/dictionary/intro03.htm ? > > over =: ({. ; }.)@":@, > by =: ' '&;@,.@[ ,. ] > b by (c over d) > ┌──┬─────────────────────────────┐ > │ │ 4 3 2 1 0 _1 _2 _3 _4│ > ├──┼─────────────────────────────┤ > │_4│_16 _12 _8 _4 0 4 8 12 16│ > │_3│_12 _9 _6 _3 0 3 6 9 12│ > │_2│ _8 _6 _4 _2 0 2 4 6 8│ > │_1│ _4 _3 _2 _1 0 1 2 3 4│ > │ 0│ 0 0 0 0 0 0 0 0 0│ > │ 1│ 4 3 2 1 0 _1 _2 _3 _4│ > │ 2│ 8 6 4 2 0 _2 _4 _6 _8│ > │ 3│ 12 9 6 3 0 _3 _6 _9 _12│ > │ 4│ 16 12 8 4 0 _4 _8 _12 _16│ > └──┴─────────────────────────────┘ > > (not that I competely understand it, by the way). > > Ben > ________________________________________ > From: [email protected] [ > [email protected]] on behalf of Linda Alvord [ > [email protected]] > Sent: Saturday, November 02, 2013 11:27 > To: [email protected] > Subject: [Jprogramming] Times Table Therapy > > Maybe these will be better boxes. > > a=:' ' > b=:i:4 > c=:i:_4 > d=:b*/c > > b,d > _4 _3 _2 _1 0 1 2 3 4 > _16 _12 _8 _4 0 4 8 12 16 > _12 _9 _6 _3 0 3 6 9 12 > _8 _6 _4 _2 0 2 4 6 8 > _4 _3 _2 _1 0 1 2 3 4 > 0 0 0 0 0 0 0 0 0 > 4 3 2 1 0 _1 _2 _3 _4 > 8 6 4 2 0 _2 _4 _6 _8 > 12 9 6 3 0 _3 _6 _9 _12 > 16 12 8 4 0 _4 _8 _12 _16 > > ]e=:(<b),:<d > ------------------------------┐ > │_4 _3 _2 _1 0 1 2 3 4 │ > +-----------------------------+ > │_16 _12 _8 _4 0 4 8 12 16│ > │_12 _9 _6 _3 0 3 6 9 12│ > │ _8 _6 _4 _2 0 2 4 6 8│ > │ _4 _3 _2 _1 0 1 2 3 4│ > │ 0 0 0 0 0 0 0 0 0│ > │ 4 3 2 1 0 _1 _2 _3 _4│ > │ 8 6 4 2 0 _2 _4 _6 _8│ > │ 12 9 6 3 0 _3 _6 _9 _12│ > │ 16 12 8 4 0 _4 _8 _12 _16│ > L------------------------------ > > ]f=:(<a),:<,.c > ---┐ > │ │ > +--+ > │ 4│ > │ 3│ > │ 2│ > │ 1│ > │ 0│ > │_1│ > │_2│ > │_3│ > │_4│ > L--- > > f,.e > ---T-----------------------------┐ > │ │_4 _3 _2 _1 0 1 2 3 4 │ > +--+-----------------------------+ > │ 4│_16 _12 _8 _4 0 4 8 12 16│ > │ 3│_12 _9 _6 _3 0 3 6 9 12│ > │ 2│ _8 _6 _4 _2 0 2 4 6 8│ > │ 1│ _4 _3 _2 _1 0 1 2 3 4│ > │ 0│ 0 0 0 0 0 0 0 0 0│ > │_1│ 4 3 2 1 0 _1 _2 _3 _4│ > │_2│ 8 6 4 2 0 _2 _4 _6 _8│ > │_3│ 12 9 6 3 0 _3 _6 _9 _12│ > │_4│ 16 12 8 4 0 _4 _8 _12 _16│ > L--+------------------------------ > > > > ---------------------------------------------------------------------- > 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
