Given the definition of "set", n can be n =. e.#[
R.E. Boss > -----Oorspronkelijk bericht----- > Van: [email protected] [mailto:programming- > [email protected]] Namens Matthew Brand > Verzonden: donderdag 16 juli 2009 15:37 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] union and intersection > > 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
