Links of Interest

Latest:

Array Cast podcast tribute to Roger Hui

Some papers/articles in chronological order:

The N Queens Problem APL Quote Quad, Volume 11 number 3, March 1981
Some Uses of { and } APL Quote Quad, Volume 17 number 4, May 1987
APL\? APL Quote Quad, Volume 20 number 4, July 1990 (with K.E. Iverson, E.E. McDonnell, and A.T. Whitney)
Tacit Definition APL Quote Quad, Volume 21 number 4, August 1991 (with K.E. Iverson, and E.E. McDonnell)
Rank and Uniformity APL Quote Quad, Volume 25 number 4, June 1995
A Note on Programming Style January 1996 (with K.E. Iverson)
Extended Integers in J J3.02, June 1996
J for the APL Programmer APL Quote Quad, Volume 27 number 1, September 1996 (with C.D. Burke)
ICFP ’98 Contest Winners 1998 (with C.D. Burke, E.B. Iverson, K.E. Iverson, and K.B. Iverson)
Sparse Arrays in J J4.01, 1998
Inner Product—An Old/New Problem June 2009 (also see August 2010)
Rank Operator: An Idea Worth Stealing Borrowing September 2009
On Average September 2009
Is Index Origin 0 a Hindrance? July 2010
Inner product – an old/new problem Vector, volume 24 number 2, August 2010
Hashing for Tolerant Index Of September 2010
What is an Array? December 2010 (also see March 2012)
What is Functional Programming? October 2011
88 Hats December 2011 (also see November 2012)
What is an array? Vector, volume 25 number 3, March 2012
An Implementation of J J Conference 2012, July 2012
The Zeros of the Partial Sums of e^z August 2012
The 88 Hats Puzzle Vector, volume 25 number 4, November 2012
My Favorite APL Symbol January 2013
A Letter from Dijkstra on APL December 2013 (also see September 2014)
Index-Of, A 30-Year Quest J Conference, July 2014
APL and J Hashing Models July 2014
A letter from Dijkstra on APL Vector, volume 26 number 2&3, September 2014
An Amuse-Bouche from APL History October 2014
Sixteen APL Amuse-Bouches October 2014 (also see March 2016)
Tolerant Comparison October 2014
Sixteen APL Amuse-Bouches Vector, volume 26 number 4, March 2016
APL Exercises July 2016
Some Exercises in APL Language Design November 2016
A History of APL in 50 Functions November 2016
Tests, Derivations, Proofs Functional Conf, November 2017
TAO Axioms February 2018 (with A. Brudzewsky and J.M. Foad)
Ken Iverson @ 100 December 2020
APL Since 1978 June 2020 (with M. Kromberg), prepared for the History Of Programming Languages (HOPL) conference in London (HOPL IV), published in Proceedings of the ACM on Programming Languages, June 2020)

editor, Ken Iverson Quotations and Anecdotes September 2005, revised August 2021
editor, Eugene McDonnell Papers and Articles May 2009, revised September 2019
editor, APL Quotations and Anecdotes September 2010, revised August 2021
editor, Mooreiana September 2010, revised January 2020
editor, Ian Sharp Quotations and Anecdotes September 2010, revised July 2021

Videos in chronological order:

Dyalog ’08: Performance Improvements in Dyalog: A Case Study
Dyalog ’09: The Rank Operator
Dyalog ’11: Rational Numbers
Dyalog ’11: What is Functional Programming? (with John Scholes)
Dyalog ’12: Potential Version 14.0 Language Features (with John Scholes)
Dyalog ’13: Rank and Friends
Dyalog ’13: Primitive Performance (with Morten Kromberg)
Dyalog ’14: The Tuning Pipeline (with Kimmo Kekäläinen)
Dyalog ’15: Core Performance (with Jay Foad)
Dyalog ’15: Future Operator Proposals: Cut, Under, Merge (with John Scholes)
Dyalog ’16: New Primitive Functions and Operators (with John Scholes)
Dyalog ’16: Performance: The Neverending Story (with Jay Foad)
FnConf16: A Tour de Force of APL in 16 Expressions
Dyalog ’17: Index-Of on Multiple Floats
Dyalog ’17: Tolerant Unique
FnConf17: Tests, Derivations, Proofs
Dyalog ’18: Inverted Tables
Dyalog ’20: Rational Arithmetic
HOPL IV: APL Since 1978 (with Morten Kromberg)