I would be interested in seeing an explicit solution to this... implicit would be interesting, but I mainly want to see the explicit solution:
NB. find the index of a value in a list NB. list indexOf value NB. 9 4 6 indexOf 4 would yield 1 indexOf =: 4 : 0 indices =: i. # x tally_map =: value = y tally_map # indices ) -- View this message in context: http://www.nabble.com/finding-the-index-of-an-element-in-a-list-tf4593778s24193.html#a13114248 Sent from the J General mailing list archive at Nabble.com. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
