Remarkably, if an extra "_ is added everything works fine (=i.2)|."_"2 i.3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 1 2 3 4
1 2 3 4 0 6 7 8 9 5 11 12 13 14 10 16 17 18 19 15 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 20 21 22 23 24 21 22 23 24 20 26 27 28 29 25 31 32 33 34 30 36 37 38 39 35 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 40 41 42 43 44 41 42 43 44 40 46 47 48 49 45 51 52 53 54 50 56 57 58 59 55 R.E. Boss > -----Oorspronkelijk bericht----- > Van: [EMAIL PROTECTED] [mailto:programming- > [EMAIL PROTECTED] Namens R.E. Boss > Verzonden: donderdag 13 september 2007 8:22 > Aan: 'Programming forum' > Onderwerp: [Jprogramming] Rank of rotate > > To rotate a matrix by its axes separately one does > > (=i.2)|.i.3 4 > 4 5 6 7 > 8 9 10 11 > 0 1 2 3 > > 1 2 3 0 > 5 6 7 4 > 9 10 11 8 > > This works as expected. > However > > (=i.2)|."2 i.3 4 5 > |length error > | (=i.2) |."2 i.3 4 5 > > This is strange, since it should be equal to > > (=i.2)|.&>&<"2 i.3 4 5 > 5 6 7 8 9 > 10 11 12 13 14 > 15 16 17 18 19 > 0 1 2 3 4 > > 1 2 3 4 0 > 6 7 8 9 5 > 11 12 13 14 10 > 16 17 18 19 15 > > > 25 26 27 28 29 > 30 31 32 33 34 > 35 36 37 38 39 > 20 21 22 23 24 > > 21 22 23 24 20 > 26 27 28 29 25 > 31 32 33 34 30 > 36 37 38 39 35 > > > 45 46 47 48 49 > 50 51 52 53 54 > 55 56 57 58 59 > 40 41 42 43 44 > > 41 42 43 44 40 > 46 47 48 49 45 > 51 52 53 54 50 > 56 57 58 59 55 > > What's wrong? > > > R.E.Boss > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
