This is my first challenge, and your suggestion is a good one. Linda
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Raul Miller Sent: Monday, November 14, 2011 1:25 PM To: Programming forum Subject: Re: [Jprogramming] table challenge in simple J You are correct. Nevertheless, that kind of restriction probably belongs in the subject line. -- Raul 2011/11/14 Björn Helgason <[email protected]>: > The first message in the thread stated > > "To give a little time for thought, do not post a solution until November > 18th. I'll post mine then too." > > 2011/11/14 Raul Miller <[email protected]> > >> It's rather difficult to participate in a discussion where I am not >> supposed to respond. (It was also not clear in the original message >> that responses were to be embargo'd). >> >> But I will try to ignore this thread until Friday. >> >> -- >> Raul >> >> On Mon, Nov 14, 2011 at 12:25 PM, Linda Alvord <[email protected]> >> wrote: >> > Please do not respond until November 18th. Both by and over contain >> @ so you need to define a single tacit function that does not include it. >> > >> > -----Original Message----- >> > From: [email protected] [mailto: >> [email protected]] On Behalf Of Raul Miller >> > Sent: Monday, November 14, 2011 9:34 AM >> > To: Programming forum >> > Subject: Re: [Jprogramming] table challenge in simple J >> > >> > Oh, nvm, I see: >> > >> > a (by over +/) f. b >> > >> > -- >> > Raul >> > >> > On Mon, Nov 14, 2011 at 9:19 AM, Raul Miller <[email protected]> >> wrote: >> >> Which conditions are not satisfied? >> >> >> >> -- >> >> Raul >> >> >> >> On Mon, Nov 14, 2011 at 8:52 AM, Linda Alvord <[email protected]> >> wrote: >> >>> This does not satisfy the conditions of the problem. Also, wait >> until November 18th for more hints. Thanks. >> >>> >> >>> Linda >> >>> >> >>> >> >>> -----Original Message----- >> >>> From: [email protected] [mailto: >> [email protected]] On Behalf Of Raul Miller >> >>> Sent: Monday, November 14, 2011 7:41 AM >> >>> To: Programming forum >> >>> Subject: Re: [Jprogramming] table challenge in simple J >> >>> >> >>> over=:[: ({.;}.) [: ": , >> >>> by=: (' ' ; [: ,. [),.] >> >>> >> >>> -- >> >>> Raul >> >>> >> >>> 2011/11/13 Linda Alvord <[email protected]>: >> >>>> In the dictionary in the section on "Verbs and Adverbs" there are two >> >>>> definitions designed to produce a table: >> >>>> >> >>>> >> >>>> >> >>>> over=:({.;}.)@":@, >> >>>> >> >>>> by=:' '&;@,.@[,.] >> >>>> >> >>>> a=: 2 3 5 >> >>>> >> >>>> b=: 0 1 2 3 >> >>>> >> >>>> a by b over a +/ b >> >>>> >> >>>> --T-------┐ >> >>>> >> >>>> │ │0 1 2 3│ >> >>>> >> >>>> +-+-------+ >> >>>> >> >>>> │2│2 3 4 5│ >> >>>> >> >>>> │3│3 4 5 6│ >> >>>> >> >>>> │5│5 6 7 8│ >> >>>> >> >>>> L-+-------- >> >>>> >> >>>> >> >>>> >> >>>> Here is the challenge. Use the arguments a and b and define a single >> tacit >> >>>> function in "simple J" that does not use @ and provides the same >> result. >> >>>> >> >>>> >> >>>> >> >>>> a table b >> >>>> >> >>>> --T-------┐ >> >>>> │ │0 1 2 3│ >> >>>> +-+-------+ >> >>>> │2│2 3 4 5│ >> >>>> │3│3 4 5 6│ >> >>>> │4│4 5 6 7│ >> >>>> L-+-------- >> >>>> >> >>>> >> >>>> >> >>>> To give a little time for thought, do not post a solution until >> November >> >>>> 18th. I'll post mine then too. >> >>>> >> >>>> >> >>>> >> >>>> Linda >> >>>> >> >>>> ---------------------------------------------------------------------- >> >>>> 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 >> > >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > > > > -- > Björn Helgason, Verkfræðingur > Fornustekkum II > 781 Hornafirði, > t-póst: [email protected] > gsm: +3546985532 > twitter: @flugfiskur > http://groups.google.com/group/J-Programming > > > Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans > > góður kennari getur stigið á tær án þess að glansinn fari af skónum > /|_ .-----------------------------------. > ,' .\ / | Með léttri lund verður | > ,--' _,' | Dagurinn í dag | > / / | Enn betri en gærdagurinn | > ( -. | `-----------------------------------' > | ) | (\_ _/) > (`-. '--.) (='.'=) ♖♘♗♕♔♙ > `. )----' (")_(") ☃☠ > ---------------------------------------------------------------------- > 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
