Superior solution!
R.E. Boss > -----Oorspronkelijk bericht----- > Van: [EMAIL PROTECTED] [mailto:programming- > [EMAIL PROTECTED] Namens Zsbán Ambrus > Verzonden: woensdag 5 maart 2008 13:44 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] leading edge of a boolean array > > On Wed, Mar 5, 2008 at 6:05 AM, bill lam <[EMAIL PROTECTED]> wrote: > > how to find the leading edge of a boolean array, > > eg. for this array > > 0 1 0 1 1 0 1 1 1 0 1 0 > > > > I want the result as > > 0 1 0 1 0 0 1 0 0 0 1 0 > > I recommend this: > > ]a =: 0 1 0 1 1 0 1 1 1 0 1 0 > 0 1 0 1 1 0 1 1 1 0 1 0 > (>|.!.0) a > 0 1 0 1 0 0 1 0 0 0 1 0 > > 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
