Episode 50: Fold and Other Functional Conjunctions

Notes

Henry Rich returns to talk about Fold and other conjunctions that facilitate functional programming.

Host: Conor Hoekstra

Panel: Stephen Taylor, Marshall Lochbaum, Adám Brudzewsky, and Bob Therriault

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Original episode on ArrayCast

Show Notes

Array Cast - March 31, 2023

Thanks to Bob Therriault, Conor Hoekstra and Marshall Lochbaum for gathering these links:

[01] 00:01:45

• Luther J. Woodrum Obituary
• linkedin.com/in/luther-woodrum-b5775a4a?trk=public_profile_browsemap
• Lenore Mullin Mathematics of Arrays

[02] 00:03:46

• Episode 6
• Episode 18
• Episode 48

[03] 00:04:40

• Command to run Fold using J Playground - install ‘github:jsoftware/dev_fold’J Fold
• APL Reduce /
• [APL Scan ](https://aplwiki.com/wiki/Scan)
• [J Scan /](https://code.jsoftware.com/wiki/Vocabulary/bslash)
• code.jsoftware.com/wiki/Vocabulary/slash
• J Grade /: or :
• co

[04] 00:10:02

• Functional Programming Language
• C Programming Language

[05] 00:12:30

• Iverson Notation
• Adjacent Difference C++

[06] 00:14:50

• Haskell Programming Language
• BQN Primitives

[07] 00:16:10

• Object Oriented Programming

[08] 00:17:12

• J Power Conjunction u^:n
• NARS 2000 APL
• J Rank Conjunction “
• J Cut Conjunction ;.
• J Key Conjunction /.
• dot#dyadicJ Recursion $:

[09] 00:24:20

• Identity Element

[10] 00:37:09

• J Terminate Z:
• [J Cap :

[11] 00:41:22

• J throw.
• J catch.

[12] 00:45:21

• J ^:v^:_
• #DoWhileJ _3 Z: (Iterations bottom of page)

[13] 00:53:05

• BQN Fold
• Table from J Fold to K

[14] 00:55:13

• Arthur Whitney
• APL Partition

[15] 00:57:55

• J Gerunds

[16] 00:59:20

• J Rank-Gerund 901 Release Notes

[17] 01:01:11

• C++ 2019 7 Consecutive Ones Conor talk

[18] 01:03:10

• BQN Each

[19] 01:05:25

• Dyalog APL Split
• APL2

[20] 01:07:42

• J NuVoc Dictionary

[21] 01:11:25

• Index Origin

[22] 01:27:15

• CPU Cache

[23] 01:33:00

• ValGrind Tool
• Perf linux
• [24] 01:35:58 Contact AT ArrayCast DOT Com