Define nice.
2009/7/16 Kip Murray <[email protected]>: > Good, and there is at least one other nice way to do it. > > Matthew Brand wrote: >> u =. ~.@, >> n =. ~.@(e.#[) >> 1 2 3 4 u 3 4 5 6 >> 1 2 3 4 5 6 >> 1 2 3 4 n 3 4 5 6 >> 3 4 >> >> >> >> 2009/7/16 Kip Murray <[email protected]>: >>> The following is easy but interesting. >>> >>> A "set" is a numeric vector without repetitions. Provide definitions for >>> the >>> union u and intersection n of two sets: >>> >>> 1 2 3 4 u 3 4 5 6 NB. elements of one or the other >>> 1 2 3 4 5 6 >>> >>> 1 2 3 4 n 3 4 5 6 NB. common elements >>> 3 4 >>> >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
