Maybe along these lines? -/i.5 NB. Right fold 2 (((0-1)-2)-3)-4 NB. Left fold _10 (-~)/|.i.5 _10
((((0-1)-2)-3)-4)-5 _15 (-~)/|.i.6 _15 %/>:i.5 NB. Right fold 1.875 (%~)/|.>:i.5 NB. Left fold 0.0083333333 (((1%2)%3)%4)%5 0.0083333333 On 11/16/07, metaperl.j <[EMAIL PROTECTED]> wrote: > > > Folding and unfolding are staples of functional programming. Insert > approximates fold-left, but what approximates fold-right? > > -- > View this message in context: > http://www.nabble.com/Where-is-right-fold-in-J--tf4824111s24193.html#a13802283 > Sent from the J General mailing list archive at Nabble.com. > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
