The operators reduction /, scan \, axis [ ], inner product f . g, and outer product A∘.×B, modify certain functions. The operator applies to one or two functions and produces a new function.
In the APL dictionary dot is also described as a decimal, a separator, and a boxed empty list—this might be what you were remembering rather than jot. Donna Y [email protected] > On Jun 29, 2020, at 11:18 AM, Devon McCormick <[email protected]> wrote: > > As I recall, jot is a place-holder signifying "nothing going on here", a > sort of no-op. > > On Mon, Jun 29, 2020 at 8:43 AM Raul Miller <[email protected]> wrote: > >> Huh... >> >> I took a look at that, and now I am puzzled by the significance of jot >> (as in: jot dot times represents an outer product). >> >> The jot character shows up all over the place, but I can't quite wrap >> my mind around its syntax, or significance. >> >> Maybe it's sort of like J's dot as a word forming (or token forming) >> character, except it appears on the left side of the token instead of >> on the right side?? >> >> -- >> Raul >> >> On Mon, Jun 29, 2020 at 7:13 AM Ian Clark <[email protected]> wrote: >>> >>> A sort of NuVoc for APL that executes user-modified code. >>> It's a polished piece of work. I'm impressed. >>> >>> Below is a copy/paste from a formatted email I've received from British >> APL >>> Association. >>> >>> NB: "16:00 BST is 11:00 USA:Eastern Time" >>> >>> Ian Clark >>> >>> –––––––––– >>> >>> "aplcart.info turns 1" >>> by Adám Brudzewsky >>> A BAA Webinar >>> www.aplcart.info >>> >>> 2 Jul '20 16:00 BST >>> The British APL Association is inviting you to a scheduled Webinar. >>> >>> Join the Webinar https://zoom.us/j/858532665 >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > > > -- > > Devon McCormick, CFA > > Quantitative Consultant > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
