I just realized this. I'm working on a radix-sort-ish method that actually performs the correct transform now.
Marshall On Thu, Sep 8, 2011 at 2:57 PM, Raul Miller <[email protected]> wrote: > On Thu, Sep 8, 2011 at 2:41 PM, Marshall Lochbaum <[email protected]> > wrote: > > The forward transform can be implemented as: > > > > bwt =: (/: 1&|.)@:(,&EAV) > > bwt=: (/: 1&|.)@:(,&EAV) > bwt0=:{:"1@/:~@(|."0 1~ i.@-@#)@(,&EAV) > (bwt -: bwt0) 'aba' > 0 > bwt 'aba' > b�aa > bwt0 'aba' > �baa > > -- > Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
