IIRC amend at that time used "linear index". x m} y is ($y) x m} ,y
Ср, 28 дек 2016, Cliff Reiter написал(а): > A long, long, time ago in a J far away, indexing was done in i. order. So > indices to a 3 by 2 array would be given by > i.3 2 > > 0 1 > > 2 3 > > 4 5 > > Is it possible that x u}y is an artifact from that era? > > > > On 12/27/2016 3:06 PM, Don Guinn wrote: > > Just played with the original expression a little and got: > > > > 2 4 (0 2"_)}3 2$0 > > 2 0 > > 4 0 > > 0 0 > > 2 4 (0 3"_)}3 2$0 > > 2 0 > > 0 4 > > 0 0 > > 2 4 (0 4"_)}3 2$0 > > 2 0 > > 0 0 > > 4 0 > > 2 4 (0 5"_)}3 2$0 > > 2 0 > > 0 0 > > 0 4 > > 2 4 (0 6"_)}3 2$0 > > |index error > > | 2 4 (0 6"_)}3 2$0 > > 2 4 (0 _1"_)}3 2$0 > > 2 0 > > 0 0 > > 0 4 > > > > On Tue, Dec 27, 2016 at 12:31 PM, Raul Miller <[email protected]> wrote: > > > > > The verb form is different from the gerund form, for whatever reasons. > > > But this is documented in the dictionary (and in NuVoc, like Henry > > > mentioned earlier). > > > > > > I'm not sure what other answer can be given, other than going into > > > detailed explanations of how they are different, and/or why both forms > > > are useful. Or, perhaps, if we need "moral justification", we could go > > > into examples of quirks in other programming languages (but all > > > programming languages have quirks - they seem to be unavoidable - so > > > that might be boring). > > > > > > -- > > > Raul > > > > > > > > > On Tue, Dec 27, 2016 at 2:20 PM, Brian Schott <[email protected]> > > > wrote: > > > > This is what the OP needed, I think. > > > > Except that instead of the u} form this is the gerund form. > > > > So I don't think it is the answer, either. > > > > > > > > 2 4 [`(0 1"_)`]} 3 2$0 > > > > 2 4 > > > > 2 4 > > > > 0 0 > > > > > > > > > > > > On Tue, Dec 27, 2016 at 2:09 PM, Henry Rich <[email protected]> > > > wrote: > > > > > I have removed the deprecation - it was my misunderstanding of > > > > > something > > > > > Roger wrote. > > > > > > > > > > The gerund form would be, in simplest form, > > > > > > > > > > 2 4 [`0:`]} 3 2$0 > > > > > > > > > > -- > > > > (B=) > > > > ---------------------------------------------------------------------- > > > > 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 -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
