On Feb 5, 2008 4:09 AM, Geoff Canyon <[EMAIL PROTECTED]> wrote: > and now it handles larger lists as well. One thing I _don't_ > understand is how you tell when you need @ and when you need @: and > when you need nothing. So in my example, | is capped (straight from > the 13 :) but in your version there is nothing between the | and the > ~. to its left. I have no clue why nothing is necessary there. > Further, I don't understand why I needed @: between ~. and the left > parenthesis instead of @ alone. I just know one worked and the other > didn't ;-)
I think you should read the definitions of @ @: and [: But, basically, [: u v and u @: v mean the same thing Also, u @ v means the same thing as u @: v "v Note that v " v is shorthand for v " (v b. 0) -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
