See http://www.jsoftware.com/jwiki/RE%20Boss/J-blog all pages which end in "graph", they are mostly fractals. Especially: http://www.jsoftware.com/jwiki/RE%20Boss/J-blog/Peano (end of page) http://www.jsoftware.com/jwiki/RE%20Boss/J-blog/betaomega http://www.jsoftware.com/jwiki/RE%20Boss/J-blog/HC33
R.E. Boss > -----Original Message----- > From: [email protected] [mailto:programming- > [email protected]] On Behalf Of Raul Miller > Sent: donderdag 13 augustus 2015 18:01 > To: Programming forum <[email protected]> > Cc: Andrew Nikitin <[email protected]> > Subject: Re: [Jprogramming] ascii art > > I was surprised to find that neither Fractals Visualizations and J nor > rosettacode.org currently has an implementation of hilbert curves. > > (I was also bemused to note that the google books entry for the > Fractals book falsely claims that there's no ebook for it.) > > However, the forums do have some hilbert curve implementations. For > example, 3d hilbert curves (see links at > http://www.jsoftware.com/pipermail/programming/2007- > March/005626.html) > and also http://www.jsoftware.com/pipermail/general/2004- > September/018092.html > or perhaps http://www.jsoftware.com/pipermail/general/2004- > September/018068.html > > But you'll need to change y. to y in some of the definitions, there, > to get them to work. (Or I guess you can use 9!:49). > > -- > Raul > > > > > Raul > > On Thu, Aug 13, 2015 at 10:15 AM, PMA <[email protected]> > wrote: > > Got a Hilbert curve? > > > > > > Andrew Nikitin wrote: > >> > >> quad tree: > >> > >> (2 2$<@])^:4 i.0 0 > >> > >> Sierpinki square: > >> > >> (<@[ (<1;1)} 3 3$<@])^:3~ i.0 0 > > > > > > ---------------------------------------------------------------------- > > 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
