As shown in <http://www.jsoftware.com/help/dictionary/d421.htm> http://www.jsoftware.com/help/dictionary/d421.htm (/.) works on the diagonals parallel to the minor diagonal, which run from top-right to bottom-left:
</. i.3 4 +-+---+-----+-----+----+--+ |0|1 4|2 5 8|3 6 9|7 10|11| +-+---+-----+-----+----+--+ If you want to select the other diagonals, from top-left to bottom-right do <@|./.&.|. i. 3 4 +-+---+------+------+---+-+ |3|2 7|1 6 11|0 5 10|4 9|8| +-+---+------+------+---+-+ Another example of under (&.) http://www.jsoftware.com/jwiki/Essays/Under R.E. Boss (Add your info to <http://www.jsoftware.com/jwiki/Community/Demographics> http://www.jsoftware.com/jwiki/Community/Demographics) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
