The J playground is very nice. I had a problem with the labs, however: To advance the lab, select menu Help|Studio|Advance or the corresponding shortcut. However, the actual menu to advance the labs is under Labs|Advance Labs.
On Tue, Apr 26, 2022 at 1:03 AM Elijah Stone <elro...@elronnd.net> wrote: > I would interpret the dictionary entry as follows: 'the j programming > language > permits a sparse array to be literal or boxed. But the je implementation > of > it lacks support for this feature at present.' Note the error you get is > a > nonce error. > > On Mon, 25 Apr 2022, P Padilcdx wrote: > > > Can I put a boxed element into a sparse array? > > > > Example: (<t) (<i1 i2)}a > > > > In <https://www.jsoftware.com/help/dictionary/d211.htm> representation > discussion is says: > > “A sparse array y may be boolean, integer, floating point, complex, > literal, or boxed”<— > > > > But on the notes at the end of the page it says “Sparse literal and > boxed arrays not yet implemented”. > > > > Which very confusing to say the least. I tried different ways to do > this and none work so I’m inclined to believe the note as “boxed elements > are not implemented in sparse arrays”. > > > > Any clarification or examples of boxed element usage would be much > appreciated. > > > > Thanks > > Pete > > > > > > ---------------------------------------------------------------------- > > 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
