gcd=: +. lcm=: *. a=:>:i.6 a (lcm*gcd)"(0 _) a 1 2 3 4 5 6 2 4 6 8 10 12 3 6 9 12 15 18 4 8 12 16 20 24 5 10 15 20 25 30 6 12 18 24 30 36 a (lcm*gcd)/ a 1 4 9 16 25 36 a (lcm*/gcd)/ a 1 2 3 4 5 6 2 4 6 8 10 12 3 6 9 12 15 18 4 8 12 16 20 24 5 10 15 20 25 30 6 12 18 24 30 36
I was reading Math for the Layman and I found "(lcm*/gcd)/" form strange but experimenting at the J window, "(lcm*gcd)/" didn't work, whereas the former worked. Why? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
