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Obvious modifications for other interpretations of the left argument. ----- Original Message ----- From: Oleg Kobchenko <[EMAIL PROTECTED]> Date: Monday, April 2, 2007 2:14 pm Subject: [Jprogramming] Ravel frame > How to ravel frame of a given cell rank > without boxing? > > Here's how it's done with boxing > > ,&.:(<"1) 4 NB. ravel N-1 frames (leave 1-cells) > 4 > ,&.:(<"1) i. 4 > 0 1 2 3 > ,&.:(<"1) i.3 4 > 0 1 2 3 > 4 5 6 7 > 8 9 10 11 > ,&.:(<"1) i.2 3 4 > 0 1 2 3 > 4 5 6 7 > 8 9 10 11 > 12 13 14 15 > 16 17 18 19 > 20 21 22 23 > ,&.:(<"1) i.2 2 3 4 > 0 1 2 3 > 4 5 6 7 > 8 9 10 11 > 12 13 14 15 > 16 17 18 19 > 20 21 22 23 > 24 25 26 27 > 28 29 30 31 > 32 33 34 35 > 36 37 38 39 > 40 41 42 43 > 44 45 46 47 > > $,&.:(<"2) i.2 2 2 2 3 4 NB. ravel N-2 frame (2-cell) > 16 3 4 > $,&.:(<"2) i.2 2 2 2 2 2 3 4 > 64 3 4 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
