] S:0 would be my first choice, but if you want to keep to the algorithm you had, you can use
(_2 ]\ ;@;) or (_2 ]\ ;^:2) Henry Rich > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Matthew Brand > Sent: Thursday, February 28, 2008 4:19 AM > To: Programming forum > Subject: Re: [Jprogramming] boxed data manipulation > > Thanks Peter, that got me there. > > I added this bit of code to make it count the number > of rows that would be output for the reshape verb > (since I don't know that from the outset). > > I always end up using [: a lot when I write tacit > programs. Out of interest, does anyone know a cleaner > way to write the tacit expression below? > > ( (([: +/[: > [: #&.> ]),2:) $ [: ;[:; ]) (<10 > 20);<(3 4;<1 2) > > Cheers, > Matthew. > > --- Peter Vingron <[EMAIL PROTECTED]> wrote: > > > Hallo Mathew, > > > > Is this of any help?: > > > > 3 2$;;(<10 20);<(3 4;< 1 2) > > > > regards, > > Peter > > > > > > Matthew Brand schrieb: > > > Hi All, > > > > > > How can I get pairs of numbers which are in boxes > > like > > > this: > > > (<10 20);<(3 4;< 1 2) > > > > > > out into an array that looks like this: > > > 3 2 $ 10 20 3 4 1 2 > > > > > > The contents of each box are x,y data points that > > I > > > want to lump together and model. > > > > > > The number of levels/structure is always as in the > > > example, that is a list of boxes where each box > > > contains a list of boxes where the boxes contain a > > > list of 2 numeric atoms. > > > > > > Thanks, > > > Matthew. > > > > > > > > > > > > __________________________________________________________ > > > Sent from Yahoo! Mail. > > > A Smarter Inbox. > > http://uk.docs.yahoo.com/nowyoucan.html > > > > > > ---------------------------------------------------------------------- > > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > > > > > > > > > > ---------------------------------------------------------------------- > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > > > > > ___________________________________________________________ > Rise to the challenge for Sport Relief with Yahoo! For Good > > http://uk.promotions.yahoo.com/forgood/ > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
