0 A. y is the identity function on y and _1 A. y reverses y . A. may be more convenient in some situations than the <@|.`</. construct. For example, the following is a different kind of zigzag order:
($&0 [EMAIL PROTECTED] A."_1 i.) 5 6 0 1 2 3 4 5 11 10 9 8 7 6 12 13 14 15 16 17 23 22 21 20 19 18 24 25 26 27 28 29 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
