Also, g=: 2+3**: g^:_1 g _5 5
(This will be no surprise to a former math teacher.) Kip Sent from my iPad On Feb 12, 2013, at 8:09 AM, Raul Miller <[email protected]> wrote: > True - in the general case, p. will be difficult to invert and > apparently no exception has been implemented for the simple, constant > cases. > > On the other hand, you can use the left argument given to p. with p.. > and you can also use an array of them with rank and you can manipulate > them in other ways (providing something analogous to gerunds but > simpler than them). > > Anyways, I usually ignore non-requirements when building code - > attempting to implement non-requirements often makes the code complex > and can get in the way of later requirements. > > -- > Raul > > On Tue, Feb 12, 2013 at 4:56 AM, Linda Alvord <[email protected]> wrote: >> Although g and h both produce y correctly, h can't be used with b. >> and ^:_1 >> >> g=: 2+3**: >> ]y=: g 5 >> 77 >> h=: 13 : '2 0 3 p. y' >> ]y=:h 5 >> 77 >> g b. 0 >> _ _ _ >> g b. _1 >> [: %: 0.33333333333333331 * _2 + ] >> g ^:_1 y >> 5 >> h b. 0 >> _ _ _ >> h b. _1 >> |domain error >> | h b._1 >> >> h ^:_1 y >> |domain error >> | h^:_1 y >> >> >> Linda >> >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Linda Alvord >> Sent: Monday, February 11, 2013 9:26 AM >> To: [email protected] >> Subject: Re: [Jprogramming] Basic Mystery >> >> This looks interesting! Linda >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Raul Miller >> Sent: Monday, February 11, 2013 9:04 AM >> To: [email protected] >> Subject: Re: [Jprogramming] Basic Mystery >> >> g=: 2 0 3 p. ] >> >> -- >> Raul >> >> On Mon, Feb 11, 2013 at 4:45 AM, Linda Alvord <[email protected]> >> wrote: >>> Morning Wakeup Exercise: >>> >>> g=: +&2@(*&3@*:) >>> ]y=: g 5 >>> 77 >>> >>> Try to write this in simple J. (example from vocabulary for Basic) >> ---------------------------------------------------------------------- >> 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
