You lost me at the third step. Here's what I get: ] a =: 1;'' +-++ |1|| +-++ #a 2 #,a 2
On Sat, Mar 20, 2010 at 12:06 AM, David Ward Lambert <[email protected] > wrote: > 0 : 0 > This post was originally entitled "raze curiosity". > It is not raze's fault. > Because map represents a boxed box as an empty box > and raze discards an empty box, we cannot reconstruct > a boxed structure using the paths to the leaves. > > Why is {:: a: not > +---+ > |+-+| > ||0|| > |+-+| > +---+ > ) > > > ] a =: 1;'' > +-++ > |1|| > +-++ > #a > 2 > #;a > 1 > s > +-+---+ > |a|+-+| > | ||b|| > | |+-+| > +-+---+ > s ,&< S: 0 1 {:: s > +-+----+ > |a|+-+ | > | ||0| | > | |+-+ | > +-+----+ > |b|+-++| > | ||1||| > | |+-++| > +-+----+ > > > NB. Paths to the leaves > > s (; <@;) S: 0 1 {:: s NB. Info lost, cannot reconstruct s. > +-+-+ > |a|0| > +-+-+ > |b|1| > +-+-+ > > ---------------------------------------------------------------------- > 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
