Knowing Hui likes &. I suggest (4 :'i.&.(-&x)y')/@:>.&.:(-:@:<:@:(%&j)) m,n 55 65 75 85 95 105 115
R.E Boss > -----Oorspronkelijk bericht----- > Van: [email protected] [mailto:programming- > [email protected]] Namens Zsbán Ambrus > Verzonden: vrijdag 4 juni 2010 14:03 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] odd multiples > > On Fri, Jun 4, 2010 at 7:31 AM, Roger Hui <[email protected]> wrote: > > j, m, and n are positive integers with m<n. > > Find a neat expression for all the odd multiples of j in [m,n), > > that is, all k such that (m<:k)*.(k<n)*.(1=2|k%j) . > > 'j m n'=: 5 50 120 > range=: [+i.@:(0&>.)@:-~ > range/@:>.&.:(-:@:<:@:(%&j)) m,n > 55 65 75 85 95 105 115 > > As you require m<n, you could omit the ((0&>.)@:) part. > > Ambrus > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
