spoiler answer at bottom,
----- Original Message ----- From: Jose Mario Quintana <[email protected]> To: Programming forum <[email protected]> Sent: Thursday, March 17, 2016 7:00 PM Subject: Re: [Jprogramming] Adverbial Tacit Jym Let us add another twist, courtesy of David Lambert, to the Exercise 1: Produce a variant of a1, say a1x0 without involving either @. or `:6 such that for arbitrary but specific u and N, ( (u a1)N ) -: ( (u a1x0)N ), for example, * a1x0 2 3 5 7 14 (1 + %) a1x0 3 5 7 9 1.33333333 Clarification (just in case): No one is recommending to use any solutions for a1x0 vs other solutions for a1; this is meant to be a puzzle. P.S. Remember to show spoiler alerts. It is ease to forget; believe me, I know :) might actually be preferable to other 2 solutions. a1x0 =: /(@:(0 _1&{)) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
