This one still works even if the matrix is not 0 and the replacement is not 1
m=.7 8$i.333 c=.1 3;2;0;0 111(; c ,&.> ~ &.> i.4) }m 0 111 2 111 4 5 6 7 8 9 111 11 12 13 14 15 111 17 18 19 20 21 22 23 111 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 555 444 333 222 111(; c ,&.> ~ &.> i.4) }m 0 555 2 444 4 5 6 7 8 9 333 11 12 13 14 15 222 17 18 19 20 21 22 23 111 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 2006/11/27, eesuk <[EMAIL PROTECTED]>:
no need for m if (#m )-:#c c=.1 3;2;0;0 (e.&>~<@[EMAIL PROTECTED])c 0 1 0 1 0 0 1 0 1 0 0 0 1 0 0 0 -- ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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