Tacit #5
The Array Cast
The Concept of Invisible Modifier Train in J Programming
Exploring the concept of invisible modifier train in the J programming language and the recent reintroduction of these modifiers. The speaker shares their surprise and personal experience in understanding this concept.
Array Cast - October 13, 2023
Show Notes
[01] 00:02:40 Minnowbrook conference https://aplwiki.com/wiki/APL_Implementer%27s_Workshop
Combinators https://en.wikipedia.org/wiki/Combinatory_logic#Examples_of_combinators
Tacit Programming https://mlochbaum.github.io/BQN/doc/tacit.html
Function Composition https://aplwiki.com/wiki/Function_composition
Tacit Episodes of the ArrayCast
Tacit #4 The Dyadic Hook https://www.arraycast.com/episodes/episode17-tacit4-the-dyadic-hook
Tacit #3 And Other Topics https://www.arraycast.com/episodes/episode15-tacit-3-and-other-topics
Tacit #2 Why Tacit? https://www.arraycast.com/episodes/episode11-why-tacit
Tacit #1 Tacit Programming https://www.arraycast.com/episodes/episode-09-tacit-programming
[02] 00:03:35 Arrayground https://apps.apple.com/us/app/arrayground/id6453522556
Conor's Uiua videos
Uiua - A New Array Language https://www.youtube.com/watch?v=iTC1EiX5bM0
BQN vs. Uiua https://www.youtube.com/watch?v=pq1k5USZZ9A
BQN vs. Uiua #2 https://www.youtube.com/watch?v=SpZJxbOf_jM
[03] 00:05:41 Stanley Jordan https://en.wikipedia.org/wiki/Stanley_Jordan
April, an APL Compiler for Common Lisp https://www.youtube.com/watch?v=AUEIgfj9koc
Andrew Sengul Episode of the ArrayCast https://www.arraycast.com/episodes/episode23-andrew-sengul
Uiua Episode of the ArrayCast https://www.arraycast.com/episodes/episode63-uiua
Game videos in BQN
Snake2 in 8 Minutes https://youtu.be/tOZde7zrsLM?si=N2jTdTZBlPEleCr0 https://youtu.be/wTIlQ1Ib-zE
Snake (longer version) https://youtu.be/wTIlQ1Ib-zE
A Game implemented in APL
Draculark in APL https://medium.com/@solarbreeze69/draculark-a-mudlarking-vampire-hunting-game-bbf40361bf1a
[04] 00:09:06 Forks https://code.jsoftware.com/wiki/Vocabulary/fork
Before and After in BQN https://mlochbaum.github.io/BQN/doc/hook.html
Invisible Modifiers https://code.jsoftware.com/wiki/Vocabulary/fork#invisiblemodifiers
Peter Mikkelson
https://pmikkelsen.com
https://www.dyalog.com/blog/2022/11/welcome-peter-mikkelsen/
[05] 00:14:52 Atop in J https://code.jsoftware.com/wiki/Vocabulary/at
Compose (Over) in J https://code.jsoftware.com/wiki/Vocabulary/ampv
Atop and Over BQN https://mlochbaum.github.io/BQN/doc/compose.htm
l
[06] 00:17:04 Henry Rich Episodes on the ArrayCast
Fold in J https://www.arraycast.com/episodes/episode50-fold
Henry Rich - Threads in J9.4 https://www.arraycast.com/episodes/episode48-henry-rich
Henry Rich presents J903 https://www.arraycast.com/episodes/episode18-henry-rich-presents-j903
Henry Rich's Deep Dive into J https://www.arraycast.com/episodes/episode-06-henry-richs-deep-dive-into-j
Invisible Modifiers Table https://code.jsoftware.com/wiki/Vocabulary/fork#invisiblemodifiers
Seymour Papert https://en.wikipedia.org/wiki/Seymour_Papert
[07] 00:20:10 NuVoc https://code.jsoftware.com/wiki/Vocabulary
Forks https://code.jsoftware.com/wiki/Vocabulary/fork
Modifier Trains https://code.jsoftware.com/wiki/Vocabulary/fork#invisiblemodifiers
Modifier Train Exploration https://code.jsoftware.com/wiki/Vocabulary/ModifierTrains
Modifier Train Exploration Discussion https://code.jsoftware.com/wiki/Talk:Vocabulary/ModifierTrains
[08] 00:24:23 Atop APL Paw glyph https://aplwiki.com/wiki/Atop_(operator)
Over APL Hoof glyph https://aplwiki.com/wiki/Over
[09] 00:44:44 Arity of functions https://en.wikipedia.org/wiki/Arity
Conjugate Monadic + https://code.jsoftware.com/wiki/Vocabulary/plus
Plus Dyadic + https://code.jsoftware.com/wiki/Vocabulary/plus#dyadic
[10] 00:54:55 Forks in the KAP Programming Language https://kapdemo.dhsdevelopments.com/kap-comparison.html#_fork
Forks modelled in the dfns workspace http://dfns.dyalog.com/n_fork.htm
[11] 01:00:35 Kadane's Algorithm https://en.wikipedia.org/wiki/Maximum_subarray_problem
[12] 01:06:24 Pepe's Trains - Past, Present and ... https://www.jsoftware.com/pipermail/programming/2017-October/049263.html
[13] 01:10:47 Dyadic Or BQN https://mlochbaum.github.io/BQN/doc/logic.html
Monadic Sort BQN https://mlochbaum.github.io/BQN/doc/order.html
[14] 01:15:23 Signum Monadic * https://code.jsoftware.com/wiki/Vocabulary/star
Times Dyadic * https://code.jsoftware.com/wiki/Vocabulary/star#dyadic
[15] 01:18:20 Jelly programming language
https://github.com/DennisMitchell/jellylanguage
https://aplwiki.com/wiki/Jelly
[16] 01:25:14 Zilde Empty https://aplwiki.com/wiki/Zilde
BQN's Nothing https://mlochbaum.github.io/BQN/help/nothing.html
Monadic and Dyadic Meanings https://aplwiki.com/wiki/Mnemonics#Pairing_monadic_and_dyadic_meanings
Overloading in BQN https://mlochbaum.github.io/BQN/commentary/overload.html
q Programming Language https://code.kx.com/q/
Overloading in q https://code.kx.com/q/ref/overloads
q Unary Forms https://code.kx.com/q/basics/exposed-infrastructure/#unary-forms
[17] 01:30:56 Michael Higginson Episode of ArrayCast https://www.arraycast.com/episodes/episode46-michael-higginson
Lynn Sutherland Nial Episode of ArrayCast https://www.arraycast.com/episodes/episode61-lynn-sutherland-and-nial
NARS2000 Programming Language https://www.nars2000.org/
Hyperators in NARS2000 https://wiki.nars2000.org/index.php?title=Anonymous_Functions/Operators/Hyperators
Hyperators in Dyalog https://dfns.dyalog.com/n_hyperators.htm
[18] 01:41:46 Category Theory https://en.wikipedia.org/wiki/Category_theory
[19] 01:45:25 Contact AT ArrayCast DOT Com
Remember Everything You Learn from Podcasts
