Yes, you are right. Thanks.

A more direct approach is only faster for small values:

   ts'(i.@>: <@comb"0 ])20'
0.42973899 62709376
    ts'((<i.1 0),([:; }:@~.@:({."1) ([,.(<{."1)#])&.>
<)&.>^:(i.`(<@,[EMAIL PROTECTED])))20'  NB. line wrap!
0.47584965 54991168

   ts'(i.@>: <@comb"0 ])10'
0.001102882 48448
    ts'((<i.1 0),([:; }:@~.@:({."1) ([,.(<{."1)#])&.>
<)&.>^:(i.`(<@,[EMAIL PROTECTED])))10'  NB. line wrap!
0.00025854772 42048

    (((<i.1 0),([:; }:@~.@:({."1) ([,.(<{."1)#])&.>
<)&.>^:(i.`(<@,[EMAIL PROTECTED])))-:i.@>: <@comb"0 ])10        NB. line wrap!
1


R.E. Boss



> -----Oorspronkelijk bericht-----
> Van: [EMAIL PROTECTED] [mailto:programming-
> [EMAIL PROTECTED] Namens Raul Miller
> Verzonden: dinsdag 14 augustus 2007 13:55
> Aan: Programming forum
> Onderwerp: Re: [Jprogramming] Power sets
> 
> On 8/14/07, R.E. Boss <[EMAIL PROTECTED]> wrote:
> >   (i. <@comb"0 ])5
> 
> You should probably be using i.@>: in place of i.
> 
> --
> Raul
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm

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