You want =/&:boxitems instead of =/&boxitems.
On Fri, Aug 31, 2012 at 10:14 AM, Raul Miller <[email protected]> wrote: > Oh, good point. > > So... my =/&boxitems should have been: > > demo=:4 :0 > boxitems=. <"(<:#y) > x =/&boxitems y > ) > > 0 demo i.2 2 > > Thanks, > > -- > Raul > > On Fri, Aug 31, 2012 at 11:22 AM, Roger Hui <[email protected]> > wrote: > > That x∊y in APL acts as if x∊,y is "original sin" from APL\360, and is an > > obstacle to extending the definition of ⍳ (i. in J) to higher-ranked left > > arguments. > > > > In modelling e. you can not just apply <"_1 to both arguments. You can > > apply <"r where r is <:#$y, but the left argument can have rank > 1+r. > > > > > > > > On Fri, Aug 31, 2012 at 6:54 AM, Devon McCormick <[email protected]> > wrote: > > > >> I guessed this made some sense I wasn't seeing, with the rank of " e. > >> " being _ rather than 1 as I thought. > >> > >> 0 1 e. i.2 2 > >> 1 > >> > >> > >> On Fri, Aug 31, 2012 at 9:43 AM, Raul Miller <[email protected]> > >> wrote: > >> > That's how it's supposed to work. > >> > > >> > none of the items (well.. just one item) of 0 is an item of i.2 2 > >> > > >> > Try this: > >> > > >> > boxitems=: <"_1 > >> > > >> > 0 =/&boxitems i. 2 2 > >> > > >> > FYI, > >> > > >> > -- > >> > Raul > >> > > >> > > >> > > >> > On Fri, Aug 31, 2012 at 9:38 AM, Devon McCormick <[email protected]> > >> wrote: > >> >> I recently noticed this about " e. " but can't decide whether or not > >> it's a bug: > >> >> > >> >> 0 e. i. 2 2 > >> >> 0 > >> >> i. 2 2 NB. I'm pretty sure zero is in there... > >> >> 0 1 > >> >> 2 3 > >> >> 0 e.~ i. 2 2 > >> >> 1 0 > >> >> 0 0 > >> >> > >> >> On Fri, Aug 31, 2012 at 8:20 AM, Zsbán Ambrus <[email protected]> > >> wrote: > >> >>> On Fri, Aug 31, 2012 at 10:05 AM, R.E. Boss <[email protected]> > >> wrote: > >> >>>> Perhaps you should incorporate it in Bron's > >> http://www.jsoftware.com/jwiki/PrimitivePrimitives > >> >>> > >> >>> You'd need a more complicated phrase there, something that supports > a > >> >>> higher rank y argument in (x e. y). > >> >>> > >> >>> Ambrus > >> >>> > ---------------------------------------------------------------------- > >> >>> For information about J forums see > http://www.jsoftware.com/forums.htm > >> >> > >> >> > >> >> > >> >> -- > >> >> Devon McCormick, CFA > >> >> ^me^ at acm. > >> >> org is my > >> >> preferred e-mail > >> >> > ---------------------------------------------------------------------- > >> >> For information about J forums see > http://www.jsoftware.com/forums.htm > >> > ---------------------------------------------------------------------- > >> > For information about J forums see > http://www.jsoftware.com/forums.htm > >> > >> > >> > >> -- > >> Devon McCormick, CFA > >> ^me^ at acm. > >> org is my > >> preferred e-mail > >> ---------------------------------------------------------------------- > >> 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
