Here's the dialog: A=:i.2 2 f=:< g=:+/"1 f @ g A f & g A f"0 g A
f @: g A f &: g A f g A (f g) A h=: 13 :'f"0 g y' h A i=: 13 :'f g y' i A j=: 13 :'(f g)A' j A h i j Linda -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Linda A Alvord Sent: Friday, December 25, 2015 7:45 AM To: [email protected] Subject: [Jprogramming] A result I don't understand Extending an example on composition from Sykes's LJ, I made the final step. What's happening here? A=:i.2 2 f=:< g=:+/"1 f @ g A --T-┐ │1│5│ L-+-- f & g A --T-┐ │1│5│ L-+-- f"0 g A --T-┐ │1│5│ L-+-- f @: g A ----┐ │1 5│ L---- f &: g A ----┐ │1 5│ L---- f g A ----┐ │1 5│ L---- (f g) A 1 0 1 1 h=: 13 :'f"0 g y' h A --T-┐ │1│5│ L-+-- i=: 13 :'f g y' i A ----┐ │1 5│ L---- j=: 13 :'(f g)A' j A 1 0 1 1 Linda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
