The Array Cast

Array Cast - February 3, 2023 Show NotesThanks to Bob Therriault, Conor Hoekstra and Rich Park for gathering these links:[01] 00:01:51 The APL Show apl.show https://apl.show/              Norman Thomson APL Campfire https://aplwiki.com/wiki/APL_Campfire              APLseeds Conference Dyalog https://www.dyalog.com/apl-seeds-user-meetings/aplseeds23.htm[02] 00:05:18 KXcon https://kx.com/events/kx-con-2023/[03] 00:05:50 BQN Compiler Bootstrap https://github.com/mlochbaum/BQN/tree/master/src/bootstraphttps://github.com/dzaima/CBQN/blob/master/src/opt/comp.c[04] 00:08:37 Dyalog Video https://www.youtube.com/@dyalogltd              Dyalog Conferences https://www.youtube.com/@DyalogUsermeeting              Michael Higginson's talk  https://www.youtube.com/watch?v=WZyeXGbcpbA&list=PL5i_Y8skrlUJn2029On-QnGqxXtL_HVie&index=4[05] 00:10:46 Commodore Vic 20 https://en.wikipedia.org/wiki/VIC-20              Compute Magazine https://en.wikipedia.org/wiki/Compute!              BASIC programming language https://en.wikipedia.org/wiki/BASIC[06] 00:14:06 IBM XT https://en.wikipedia.org/wiki/IBM_Personal_Computer_XT[07] 00:19:30 Turing Programming Language http://individual.utoronto.ca/kensou/programming/turing.html[08] 00:20:50 Perl Programming Language https://en.wikipedia.org/wiki/Perl              Regex https://en.wikipedia.org/wiki/Regular_expression              Java Programming Language https://en.wikipedia.org/wiki/Java_(programming_language)[09] 00:22:40 Notepad https://en.wikipedia.org/wiki/Windows_Notepad              Vim https://en.wikipedia.org/wiki/Vim_(text_editor)              Pair programming https://en.wikipedia.org/wiki/Pair_programming[10] 00:24:15 Leslie Goldsmith https://ca.linkedin.com/in/lhg00              I.P. Sharp and Associates https://aplwiki.com/wiki/I.P._Sharp_Associates              Ken Iverson https://aplwiki.com/wiki/Ken_Iverson              Arthur Whitney https://aplwiki.com/wiki/Arthur_Whitney[11] 00:33:25 kdb+ https://kx.com/              q Programming Language https://en.wikipedia.org/wiki/Q_(programming_language_from_Kx_Systems)[12] 00:35:36 ArrayCast Podcast https://www.arraycast.com              Dyalog Contest https://contest.dyalog.com/?goto=welcome              Trains https://aplwiki.com/wiki/Train[13] 00:39:20 Tzu-Ching Lee Student Winner https://www.youtube.com/watch?v=KonuJwRFtks&list=PL5i_Y8skrlUJn2029On-QnGqxXtL_HVie&index=5[14] 00:42:35 ArrayCast Episode 44 https://www.arraycast.com/episodes/episode44-language-choice-and-recreational-programming              REPL https://en.wikipedia.org/wiki/Read%E2%80%93eval%E2%80%93print_loop[15] 00:45:40 k Programming Language https://aplwiki.com/wiki/K[16] 00:48:56 BEDMAS https://en.wikipedia.org/wiki/Order_of_operations[17] 00:55:25 Tacit programming https://aplwiki.com/wiki/Tacit_programming              q enlist  https://code.kx.com/q/ref/enlist/[18] 01:02:38 Union without intersection in APL ∪~∩             Conor's blog on use of B1 and Phi1 combinators  https://codereport.github.io/B1andPhi1/[19] 01:07:20 Iverson College https://iversoncollege.com/              Joel Kaplan Episode of the ArrayCast https://www.arraycast.com/episodes/episode27-joel-kaplan[20] 01:13:00 Sean Parent https://sean-parent.stlab.cc/              Stackoverflow https://en.wikipedia.org/wiki/Stack_Overflow[21] 01:15:46 Rust Programming Language https://en.wikipedia.org/wiki/Rust_(programming_language)              Conor's Video on rust https://www.youtube.com/watch?v=0RsLGM_7ODE              Chris Lattner https://en.wikipedia.org/wiki/Chris_Lattner[22] 01:17:05 Oxide and Friends (mentions Roger Hui) https://oxide.computer/podcasts/oxide-and-friends/838566                                (mentions Arthur Whitney) https://oxide.computer/podcasts/oxide-and-friends/838567              Functional Geekery https://www.functionalgeekery.com/[23] 01:25:30 Adám's Array Proposal  https://aplwiki.com/wiki/Array_notation              J Gerunds https://code.jsoftware.com/wiki/Help/Learning/Ch_14:_Gerunds              C++ Programming Language https://en.wikipedia.org/wiki/C%2B%2B              First Class Functions https://en.wikipedia.org/wiki/First-class_function[24] 01:28:39 Leonard Cohen Came so Far For Beauty https://www.youtube.com/watch?v=yXBT5-0pkyg[25] 01:33:45 Conor's Algorithms as a Tool of Thought https://dyalog.tv/APLSeeds21/?v=GZuZgCDql6g[26] 01:16:55 Contact AT ArrayCast DOT com

Array Cast - January 20, 2023 Show NotesThanks to Bob Therriault for gathering these links:[01] 00:04:38 JSON for BQN https://github.com/mlochbaum/bqn-libs/blob/master/json.bqn[02] 00:05:32 Change the Way You Think talk  https://www.youtube.com/watch?v=KOuwZEtHZ_U[03] 00:07:04 Ashok Reddy https://www.ajbell.co.uk/articles/latestnews/248261/fd-technologies-appoints-ashok-reddy-ceo-kx-division[04] 00:08:23 Sharp 1500 Pocket Computer https://en.wikipedia.org/wiki/Sharp_PC-1500              Newton-Raphson Interpolation https://web.mit.edu/10.001/Web/Course_Notes/NLAE/node6.html              J#.NET https://en.wikipedia.org/wiki/Visual_J_Sharp   [05] 00:10:15           Grady Booch https://en.wikipedia.org/wiki/Grady_Booch              Jim Rumbaugh https://en.wikipedia.org/wiki/James_Rumbaugh              UML https://en.wikipedia.org/wiki/Unified_Modeling_Language              Cobol Programming Language https://en.wikipedia.org/wiki/COBOL              Nick Psaris ArrayCast episode https://www.arraycast.com/episodes/episode42-nick-psaris-q[06] 00:14:36 Java programming Language https://en.wikipedia.org/wiki/Java_(programming_language)              C# programming language https://en.wikipedia.org/wiki/C_Sharp_(programming_language)              J++ programming language https://en.wikipedia.org/wiki/Visual_J%2B%2B              LINQ https://en.wikipedia.org/wiki/Language_Integrated_Query              SQL programming language https://en.wikipedia.org/wiki/SQL[07] 00:17:13 VisiCalc https://en.wikipedia.org/wiki/VisiCalc              q programming language https://aplwiki.com/wiki/Q              k programming language https://aplwiki.com/wiki/K[08] 00:19:55 Python programming language https://www.python.org/              ChatGPT https://en.wikipedia.org/wiki/ChatGPT              Arthur Whitney https://en.wikipedia.org/wiki/Arthur_Whitney_(computer_scientist)[09] 00:23:19 Kdb+ https://en.wikipedia.org/wiki/Kdb%2B[10] 00:30:01 Asof Join https://code.kx.com/q/ref/aj/[11] 00:36:45 APL programming language https://en.wikipedia.org/wiki/APL_(programming_language)[12] 00:42:50 Clinical trials https://bccancerfoundation.com/news-and-media/blog/what-clinical-trial/[13] 00:44:20              Matlab https://en.wikipedia.org/wiki/MATLAB[14] 00:46:08 Formula One https://www.formula1.com/              Alpine Formula One Team https://www.formula1.com/en/teams/Alpine.html              Red Bull Formula One Team https://www.redbullracing.com/int-en              KX Red Bull video https://www.youtube.com/watch?v=QxfdFWKo_pQ&t=2s[15] 00:49:40 Fingrid https://www.fingrid.fi/en/[16] 00:53:20 Stent https://www.nhlbi.nih.gov/health/stents[17] 00:55:05 KX Insights Release https://kx.com/news/kx-and-enterpriseweb-enable-unprecedented-performance-and-efficiency-for-network-services-at-the-edge/[18] 00:57:26 PyKX https://kx.com/pykx/[19] 01:01:38 q for personal use https://kx.com/kdb-personal-edition-download/[20] 01:02:25 Visual Studio Code https://code.visualstudio.com/[21] 01:09:00 SnowFlake https://www.snowflake.com/en/              SnowPark https://www.snowflake.com/en/data-cloud/snowpark/[22] 01:16:55 Contact AT ArrayCast DOT com

Array Cast - January 6, 2023 Show NotesThanks to Bob Therriault, Adám Brudzewsky, and Marshall Lochbaum for gathering these links:[01] 00:01:13 Twitter Poll for APL Cast https://twitter.com/a_brudz/status/1607653845445873664[02] 00:04:30 Revamped BQNcrate https://mlochbaum.github.io/bqncrate/[03] 00:06:44 APLcart  https://aplcart.info[04] 00:07:43 Inclusive Range in Q https://www.5jt.com/the-rest-is-silence              p: Prime in J https://code.jsoftware.com/wiki/Vocabulary/pco              Prime in Dyalog APL https://dfns.dyalog.com/n_pco.htm[05] 00:09:42 Consecutive values https://mlochbaum.github.io/bqncrate/?q=consecutive%20values[06] 00:11:46 APL Tacit help https://tacit.help              BQN https://saltysylvi.github.io/bqn-tacit-helper/              J tte tacit to explicit https://code.jsoftware.com/wiki/Addons/debug/tte              13 : explicit to tacit https://code.jsoftware.com/wiki/Vocabulary/com              J Phrases  https://code.jsoftware.com/wiki/Phrases[07] 00:19:39 Fun Q https://fun-q.net/              APL Farm Discord/Matrix https://apl.wiki/APL_Farm[08] 00:22:00 Nick Psaris Episode on ArrayCast https://www.arraycast.com/episodes/episode42-nick-psaris-q[09] 00:24:20 Extended Precision and Rational Types in J https://www.jsoftware.com/help/jforc/elementary_mathematics_in_j.htm#_Toc191734516              BQN systemMath.fact https://github.com/mlochbaum/BQN/blob/master/spec/system.md#math              NARS 2000 https://aplwiki.com/wiki/NARS2000[10] 00:26:55 Dyalog Licence https://www.dyalog.com/prices-and-licences.htm              CBQN GPL-3 Licence https://github.com/dzaima/CBQN#license              J GPL-3 Licence https://github.com/jsoftware/jsource/blob/master/license.txt              q Licence https://kx.com/developers/download-licenses/[11] 00:29:05 April Programming Language https://aplwiki.com/wiki/April[12] 00:31:20 Sort in BQN https://github.com/mlochbaum/BQN/blob/master/doc/order.md#sort              Without in APL https://aplwiki.com/wiki/Without              Less in J https://code.jsoftware.com/wiki/Vocabulary/minusdot#dyadic[13] 00:34:30 Jelly programming language https://apl.wiki/Jelly              https://github.com/DennisMitchell/jellylanguage[14] 00:35:08 Rust programming language https://www.rust-lang.org/[15] 00:36:40 Lesser of >. in J https://code.jsoftware.com/wiki/Vocabulary/ltdot#dyadic[16] 00:38:20 Code Golf https://apl.wiki/Code_golf              Parse float functionhttps://mlochbaum.github.io/BQN/spec/system.html#input-and-output[17] 00:40:44 APL ⎕D https://help.dyalog.com/latest/#Language/System%20Functions/d.htm              APL ⎕C https://help.dyalog.com/latest/#Language/System%20Functions/c.htm              APL ⎕A https://help.dyalog.com/latest/#Language/System%20Functions/a.htm              Advent of Code https://en.wikipedia.org/wiki/Advent_of_Code[18] 00:43:16 APLx https://aplwiki.com/wiki/APLX              APL PLUS https://aplwiki.com/wiki/APL*PLUS[19] 00:46:23 Dyalog ⎕DT https://help.dyalog.com/latest/#Language/System%20Functions/dt.htm[20] 00:52:46 Jelly Tutorial https://github.com/DennisMitchell/jellylanguage/wiki/Tutorial[21] 00:57:10 Plus Scan in BQN https://github.com/mlochbaum/BQN/blob/master/doc/scan.md              APL +.× https://help.dyalog.com/latest/#Language/Primitive%20Operators/Inner%20Product.htm              J +/ . * https://www.jsoftware.com/help/jforc/applied_mathematics_in_j.htm#_Toc191734505[22] 01:00:30 q advent of code solutions http://github.com/qbists/studyq/[23] 01:01:30 SQL https://en.wikipedia.org/wiki/SQL              q for Mortals https://code.kx.com/q4m3/[24] 01:04:21 BQN Advent of Code list https://mlochbaum.github.io/BQN/community/aoc.html[25] 01:08:42 Adám's link http://www.jsfuck.com/              https://en.wikipedia.org/wiki/JSFuck[26] 01:10:02 q links for Advent of Code https://github.com/qbists/studyq/tree/main/aoc/2022              J forums Advent of Code https://www.jsoftware.com/cgi-bin/forumsearch.cgi?all=&exa=advent+of+code&one=&exc=&add=&sub=&fid=&tim=0&rng=0&dbgn=1&mbgn=1&ybgn=2005&dend=31&mend=12&yend=2022              J wiki Advent of Code https://code.jsoftware.com/wiki/Essays/Advent_Of_Code              APL wiki Advent of Code https://apl.wiki/aoc              K Wiki Advent of Code: https://k.miraheze.org/wiki/Advent_of_Code[27] 01:12:40 Convolutional Neural Networks in APL https://dl.acm.org/doi/pdf/10.1145/3315454.3329960              Neural Networks https://aplwiki.com/wiki/Neural_networks[28] 01:15:00 Dr. Raymond Polivka's new APL book: http://aplclass.com/book/              APL Stefan Kruger Learning APL https://aplwiki.com/wiki/Books#Learning_APL              J J for C Programmers  https://www.jsoftware.com/help/jforc/contents.htm              J Playground Example|Neural Networks https://jsoftware.github.io/j-playground/bin/html2/#              BQN Tutorials https://mlochbaum.github.io/BQN/tutorial/index.html[29] 01:17:38 APL Wiki Learning Resources https://aplwiki.com/wiki/Learning_resources              k Wiki Learning Resources https://k.miraheze.org/wiki/Learning_Resources              J Wiki Learning Resources https://code.jsoftware.com/wiki/Guides/GettingStarted[30] 01:19:21 Contact AT ArrayCast DOT com

Array Cast - December 23, 2022 Show NotesThanks to Bob Therriault, Adám Brudzewsky, Marshall Lochbaum and John Earnest for gathering these links:[01] 00:02:00 Naming the APLNAATOT podcast twitter https://twitter.com/a_brudz/status/1607653845445873664[02] 00:03:54 John Earnest Arraycast episode 41 https://www.arraycast.com/episodes/episode41-john-earnest              Michal Wallace Arraycast episode 40 https://www.arraycast.com/episodes/episode40-michal-wallace[03] 00:04:20 John's website https://beyondloom.com/[04] 00:05:10 iKe https://github.com/JohnEarnest/ok/tree/gh-pages/ike[05] 00:07:02 oK http://johnearnest.github.io/ok/index.html[06] 00:10:20 iKe Vector article   https://vector.org.uk/a-graphical-sandbox-for-k-2/[07] 00:10:39 Lindenmayer fractals https://en.wikipedia.org/wiki/L-system[08] 00:15:57 k programming language https://aplwiki.com/wiki/K[09] 00:16:40 turtle graphics https://docs.python.org/3/library/turtle.html[10] 00:17:44 Swift Playgrounds https://en.wikipedia.org/wiki/Swift_Playgrounds              Bret Victor http://worrydream.com/              Processing programming language https://processing.org/              Arduino https://www.arduino.cc/[11] 00:19:27 Dzaima APL -https://github.com/dzaima/APL/blob/master/APLP5/docs              Dzaima BQN - https://github.com/dzaima/BQN/blob/master/app/readme.md[12] 00:25:08 Arthur Whitney https://en.wikipedia.org/wiki/Arthur_Whitney_(computer_scientist)[13] 00:25:30 APL wiki Naming  https://aplwiki.com/wiki/The_name_APL              Adin Falkoff https://aplwiki.com/wiki/Adin_Falkoff[14] 00:27:48 Dyalog https://aplwiki.com/wiki/Dyalog_APL              Dyadic https://aplwiki.com/wiki/Dyalog_Ltd.              Zylog processor https://en.wikipedia.org/wiki/Zilog[15] 00:30:32 Special k https://beyondloom.com/tools/specialk.html              Fragment shader https://www.khronos.org/opengl/wiki/Fragment_Shader              GLSL shader language https://learnopengl.com/Getting-started/Shaders[16] 00:33:25 NVIDIA https://learnopengl.com/Getting-started/Shaders[17] 00:37:00 Decker https://beyondloom.com/decker/index.html              Lil programming language https://beyondloom.com/decker/lil.html              macPaint https://en.wikipedia.org/wiki/MacPaint[18] 00:39:06 Interface builder https://en.wikipedia.org/wiki/Interface_Builder              Visual Basic https://en.wikipedia.org/wiki/Visual_Basic              Lua programming language https://www.lua.org/              q programming language https://aplwiki.com/wiki/Q[19] 00:44:29 APL# https://aplwiki.com/wiki/APL-sharp[20] 00:45:08 Rescript programming language https://rescript-lang.org/[21] 00:47:10 Niladic functions https://aplwiki.com/wiki/Niladic_function[22] 00:48:30 HyperCard https://en.wikipedia.org/wiki/HyperCard              HyperTalk https://en.wikipedia.org/wiki/HyperTalk[23] 00:54:36 JavaScript programming language  https://www.javascript.com/[24] 00:57:21 MacOS system 6 https://en.wikipedia.org/wiki/System_6[25] 01:02:12 Excel spreadsheet https://en.wikipedia.org/wiki/Microsoft_Excel[26] 01:04:02 J viewmat https://code.jsoftware.com/wiki/Studio/Viewmat[27] 01:05:40 regex https://en.wikipedia.org/wiki/Regular_expression[28] 01:06:10 Nick Psaris Arraycast episode 42 embedding languages https://www.arraycast.com/episodes/episode42-nick-psaris-q[29] 01:07:00 Python programming language https://www.python.org/[30] 01:18:21 Haskell programming language https://www.haskell.org/[31] 01:22:50 Myst video game https://en.wikipedia.org/wiki/Myst[32] 01:23:32 Decktember  https://itch.io/jam/decktember

Array Cast - December 9, 2022 Show NotesThanks to Bob Therriault, Adám Brudzewsky, Stephen Taylor and Nick Psaris for gathering these links:[01] 00:01:50 APLNAATOT podcast #4 https://www.youtube.com/watch?v=SxSd2Hma_Ro&list=PLYKQVqyrAEj8Q7BdOgakZCAGf6ReO1cue              Naming the APLNAATOT podcast twitter https://twitter.com/a_brudz/status/1600523637253185541[02] 00:03:44 Advent of Code (AOC) Links              BQN Solutions  https://mlochbaum.github.io/BQN/community/aoc.html              APL Wiki Advent of Code: https://apl.wiki/aoc              K Wiki Advent of Code: https://k.miraheze.org/wiki/Advent_of_Code[03] 00:04:40 q AOC list http://github.com/qbists/studyq/[04] 00:06:20 Parsing the input for AOC in APL video https://www.youtube.com/watch?v=AHoiROI15BA              Jay Foad's solution to day 6 https://github.com/jayfoad/aoc2022apl[05] 00:07:45 Nick Psaris episodes of the ArrayCast              https://www.arraycast.com/episodes/episode-02-challenges-facing-the-array-languages              https://www.arraycast.com/episodes/episode-03-what-is-an-array              https://www.arraycast.com/episodes/episode-04-responding-to-listeners-email              Q tips  https://www.goodreads.com/book/show/25221469-q-tips              Vector review of Q tips https://vector.org.uk/book-review-q-tips-fast-scalable-and-maintainable-kdb-2/              Fun Q https://www.amazon.com/dp/1734467509              Vector review of Fun Q https://vector.org.uk/book-review-fun-q-a-functional-introduction-to-machine-learning-in-q/[06] 00:09:33 Atar1 800  https://en.wikipedia.org/wiki/Atari_8-bit_family[07] 00:10:09 Morgan Stanley https://www.morganstanley.com/              Perl Computer Language https://www.perl.org/              Hash Map https://www.geeksforgeeks.org/differences-between-hashmap-and-hashtable-in-java/amp/              VBA Computer Language https://en.wikipedia.org/wiki/Visual_Basic_for_Applications              Java Computer Language https://en.wikipedia.org/wiki/Java_(programming_language)              C++ Computer Language https://en.wikipedia.org/wiki/C%2B%2B              STL https://en.wikipedia.org/wiki/C%2B%2B#Standard_library              Bit representation: https://code.kx.com/q/ref/vs/#encode[08] 00:14:23 kdb https://en.wikipedia.org/wiki/Kdb%2B[09] 00:15:08 Abridged introduction to kdb+ https://legaldocumentation.kx.com/q/d/kdb+.htm              Arthur Whitney https://en.wikipedia.org/wiki/Arthur_Whitney_(computer_scientist)              Abridged introduction to q https://legaldocumentation.kx.com/q/d/q.htm              kx archive https://code.kx.com/q/learn/archive/#archive              Joins -  https://code.kx.com/q/basics/joins/[10] 00:23:39 vs operator in q https://code.kx.com/q/ref/vs/[11] 00:24:50 sv operator in q https://code.kx.com/q/ref/sv/[12] 00:26:08 k6 Computer Language oK https://johnearnest.github.io/ok/index.html[13] 00:27:10 kx systems https://kx.com/[14] 00:31:48 Shakti https://shakti.com/       Arthur Whitney Articles              ACMqueue B. Cantrill https://queue.acm.org/detail.cfm?id=1531242              kx interview https://web.archive.org/web/20150725231802/https://kx.com/arthur-interview.php[15] 00:32:20 Roger Hui https://aplwiki.com/wiki/Roger_Hui              Roger Hui Memorial Episode of ArrayCast https://www.arraycast.com/episodes/episode13-roger-hui              Ken Iverson https://aplwiki.com/wiki/Ken_Iverson[16] 00:34:45 Max and Min overloaded in k https://kparc.com/k.txt[17] 00:35:40 Where operator overloads              Q  https://code.kx.com/q/ref/where/#vector-of-non-negative-integers              APL https://apl.wiki/Where              BQN https://mlochbaum.github.io/BQN/doc/replicate.html#indices              J https://code.jsoftware.com/wiki/Vocabulary/icapdot[18] 00:39:23 Day 6 AOC 2022 https://adventofcode.com/2022/day/6              Coding by successive approximation Romilly Cocking https://www.arraycast.com/episodes/episode34-romilly-cocking[19] 00:41:29 Emacs https://www.gnu.org/software/emacs/[20] 00:43:28 Iversonian or Array Language episode https://www.arraycast.com/episodes/episode39-iverson-or-array-language[21] 00:45:10 APL Computer Language https://en.wikipedia.org/wiki/APL_(programming_language)[22] 00:48:00 Q lists of lists https://code.kx.com/q4m3/3_Lists/#37-nesting[23] 00:50:25 SQL https://en.wikipedia.org/wiki/SQL[24] 00:54:08 JD: https://code.jsoftware.com/wiki/Jd/Overview              DDB: https://dfns.dyalog.com/ddb_index.htm              SQAPL: https://www.dyalog.com/uploads/documents/Dyalog_SQAPL_Server_Data_Sheet.pdf[25] 00:56:42 Joins https://code.kx.com/q/basics/joins/[26] 00:59:20 Q Dictionary https://code.kx.com/q/basics/dictsandtables/[27] 00:59:46 Combinators https://en.wikipedia.org/wiki/Combinatory_logic[28] 01:00:14 Multidimensional arrays in SQL https://en.wikipedia.org/wiki/SQL#Standardization_history[29] 01:02:07 Database Administrator https://en.wikipedia.org/wiki/Database_administrator              Database Analyst - Quant https://en.wikipedia.org/wiki/Quantitative_analysis_(finance)[30] 01:04:21 kx User version of q https://kx.com/kdb-personal-edition-download/[31] 01:04:32 Python Computer Language https://www.python.org/              Pyq https://kx.com/blog/using-the-nag-library-for-python-with-kdb-and-pyq/              PyKX https://kx.com/videos/an-introduction-to-pykx/[32] 01:07:12 John Earnest https://beyondloom.com/about/index.html              John Earnest ArrayCast Episode https://www.arraycast.com/episodes/episode41-john-earnest[33] 01:07:45 Numpy https://numpy.org/              R  Computer Language https://en.wikipedia.org/wiki/R_(programming_language)              Pandas https://pandas.pydata.org/[34] 01:10:55 CMU Grad Course https://www.cmu.edu/mscf/academics/curriculum/46982-market-microstructure-and-algorithmic-trading.html[35] 01:14:42 Matlab https://en.wikipedia.org/wiki/MATLAB[36] 01:16:05 k nearest neighbours algorithm https://en.wikipedia.org/wiki/K-nearest_neighbors_algorithm[37] 01:18:00 Q for Mortals https://code.kx.com/q4m3[38] 01:19:30 How to speed up Pandas Code by 100x? https://medium.com/geekculture/simple-tricks-to-speed-up-pandas-by-100x-3b7e705783a8[39] 01:22:30 contact AT ArrayCast DOT COM[40] 01:24:21 Old Master q https://en.m.wikipedia.org/wiki/Old_Master_Q

Array Cast - November 25, 2022 Show NotesThanks to Bob Therriault and Adám Brudzewsky for gathering these links:[01] 00:02:00 Dr. Fred Brooks obit https://cs.unc.edu/news-article/remembering-department-founder-dr-frederick-p-brooks-jr/ Ken Lettow email http://www.jsoftware.com/pipermail/chat/2022-November/009134.html Vector Article http://archive.vector.org.uk/art10001240 IBM System 360 https://en.wikipedia.org/wiki/System/360[02] 00:08:26 Dr. Brooks Memorial Service [02] 00:08:26 Dr. Brooks Memorial Service https://www.youtube.com/watch?v=BXzvyRGGBoE UNC memorial to be scheduled for the spring of 2023 https://cs.unc.edu/brooks[03] 00:09:18 Dyalog User Meetings https://dyalog.tv/Dyalog22/ training course.dyalog.com https://course.dyalog.com/ APLNAATOT podcast https://www.youtube.com/watch?v=aEN1MBTzCjY[04] 00:10:50 J Wiki Prototype https://code2.jsoftware.com/wiki/Main_Page[05] 00:12:51 BQN REPLxx https://github.com/dzaima/CBQN and REPLXX=1[06] 00:14:00 q for personal use https://kx.com/kdb-personal-edition-download/[07] 00:15:05 John Earnest iKe https://vector.org.uk/a-graphical-sandbox-for-k-2/[08] 00:19:15 Forth Programming Language https://www.forth.com/forth/[09] 00:21:49 Impending kOS https://vector.org.uk/impending-kos/ Arthur Whitney https://en.wikipedia.org/wiki/Arthur_Whitney_(computer_scientist) k2 reference manual http://web.archive.org/web/20050504070651/http://www.kx.com/technical/documents/kreflite.pdf k2 user manual http://web.archive.org/web/20041022042401/http://www.kx.com/technical/documents/kusrlite.pdf k2 c-k interface manual http://web.archive.org/web/20060214100753/http://www.kx.com/technical/documents/cki.pdf[10] 00:24:00 ok.js https://johnearnest.github.io/ok/index.html[11] 00:24:30 kona https://github.com/kevinlawler/kona/wiki[12] 00:25:23 Kerf technical manual https://github.com/kevinlawler/kerf1/raw/master/manual/refmanual.pdf[13] 00:26:08 1010data.com https://www.1010data.com/[14] 00:27:30 kx systems https://kx.com/[15] 00:34:20 Projection https://code.kx.com/q4m3/6_Functions/#64-projection[16] 00:39:17 ngn k https://codeberg.org/ngn/k[17] 00:41:00 shakti https://shakti.com/[18] 00:48:20 k wiki https://k.miraheze.org/wiki/ currently down but soon to be reinstated[19] 00:54:12 J programming language https://www.jsoftware.com/indexno.html[20] 00:58:11 GLSL shader language https://en.wikipedia.org/wiki/OpenGL_Shading_Language[21] 00:38:34 John Earnest's website https://beyondloom.com/[22] 01:02:30 Vanessa McHale episode https://www.arraycast.com/episodes/episode25-vanessa-mchale[24] 01:03:00 Romilly Cocking episode https://www.arraycast.com/episodes/episode34-romilly-cocking[25] 01:03:10 Marshall Lochbaum episode https://www.arraycast.com/episodes/episode-07-marshall-lochbaum-and-the-bqn-array-language[26] 01:07:50 Mechanical Sympathy https://dyalog.tv/Dyalog18/?v=mK2WUDIY4hk[27] 01:09:30 Lambda Cast https://soundcloud.com/lambda-cast[28] 01:10:57 Factor Programming Language https://factorcode.org/[29] 01:12:24 Chuck Moore https://en.wikipedia.org/wiki/Charles_H._Moore[30] 01:16:20 Greenarrays chip GA144 https://www.greenarraychips.com/home/documents/index.php[31] 01:20:10 Donald Knuth https://en.wikipedia.org/wiki/Donald_Knuth Tex https://en.wikipedia.org/wiki/TeX Meta Font https://en.wikipedia.org/wiki/METAFONT[32] 01:21:30 Literate Programming https://en.wikipedia.org/wiki/Literate_programming[33] 01:22:21 CoDfns https://scholarworks.iu.edu/dspace/handle/2022/24749 Aaron Hsu https://www.sacrideo.us/ https://aplwiki.com/wiki/Aaron_Hsu

Array Cast - November 11, 2022 Show NotesThanks to Bob Therriault and Adám Brudzewsky for gathering these links:[01] 00:04:10 SJT AT 5JT DOT COM[02] 00:04:30 APLNAATOT Podcast https://www.youtube.com/watch?v=R_dpMVyyCEo&list=PLYKQVqyrAEj8Q7BdOgakZCAGf6ReO1cue https://abrudz.github.io/aplnaatot/ Dyalog User meeting videos https://dyalog.tv/Dyalog22/[03] 00:08:40 q personal licence https://kx.com/kdb-personal-edition-download/[04] 00:09:20 Stop Writing Dead Programs StrangeLoop 2022 https://www.youtube.com/watch?v=8Ab3ArE8W3s[05] 00:11:22 Deck of Cards video https://www.youtube.com/watch?v=eXGKK8BkCkg[06] 00:11:44 Tangentstorm home page http://www.tangentstorm.com/ Youtube https://www.youtube.com/user/tangentstorm/videos Twitch https://www.twitch.tv/tangentstorm Twitter https://twitter.com/tangentstorm GitHub https://github.com/tangentstorm/[07] 00:13:09 Tandy 1000 https://en.wikipedia.org/wiki/Tandy_1000 GW Basic https://en.wikipedia.org/wiki/GW-BASIC[08] 00:14:09 Turbo Pascal https://en.wikipedia.org/wiki/Turbo_Pascal[09] 00:15:30 Fred and Wanda website http://tempytantrum.com[10] 00:16:50 AmeriCorps https://americorps.gov/[11] 00:21:30 Haskell https://www.haskell.org/ Smalltalk https://en.wikipedia.org/wiki/Smalltalk Python https://www.python.org/[12] 00:22:50 J software https://www.jsoftware.com/#/[13] 00:24:15 J for C programmers https://code.jsoftware.com/wiki/Books#J_for_C_Programmers Ulam's Spiral video https://youtu.be/dBC5vnwf6Zw[14] 00:25:18 Eric Iverson Episode https://www.arraycast.com/episodes/episode10-eric-iverson[15] 00:25:42 1010data.com https://www.1010data.com/ Stevan Apter Episode https://www.arraycast.com/episodes/episode26-stevan-apter Joel Kaplan Episode https://www.arraycast.com/episodes/episode27-joel-kaplan[16] 00:29:05 Github Tangentlab http://tangentstorm.github.io/ Ward Cunningham https://en.wikipedia.org/wiki/Ward_Cunningham C2 wiki http://wiki.c2.com/[17] 00:30:00 Python Paradox Paul Graham http://www.paulgraham.com/pypar.html k language https://en.wikipedia.org/wiki/K_(programming_language)[18] 00:31:50 kona https://github.com/kevinlawler/kona/wiki[19] 00:34:12 ok.js https://johnearnest.github.io/ok/index.html[20] 00:35:21 Job posting https://www.linkedin.com/pulse/want-work-k-1010data-michal-wallace/?trackingId=MAtCm2uioHw0wAsNbxJ%2FNA%3D%3D[21] 00:38:34 Recursion https://en.wikipedia.org/wiki/Recursion[22] 00:54:12 Jprez presentation in J https://github.com/tangentstorm/jprez Tangentstream https://www.youtube.com/channel/UCWgUN-LjgbKkeqQ0llA51Gw[23] 00:59:45 CP3 Python https://www.youtube.com/watch?v=o4Pnn6T9d3Y[24] 01:00:30 Why Isn't Functional Programming the Norm Richard Feldman https://www.youtube.com/watch?v=QyJZzq0v7Z4

Array Cast - October 28, 2022 Show NotesMany thanks to Bob Therriault for gathering these links:[00] 00:11:30 Episode 36 https://www.arraycast.com/episodes/episode36-what-makes-an-array-language[01] 00:01:20 J wiki (prototype) https://code2.jsoftware.com/wiki/Main_Page[02] 00:02:13 Dyalog User meeting videos https://dyalog.tv/Dyalog22/ APLNAATOT Podcast https://www.youtube.com/watch?v=R_dpMVyyCEo&list=PLYKQVqyrAEj8Q7BdOgakZCAGf6ReO1cue https://abrudz.github.io/aplnaatot/[03] 00:05:56 Intermediate q learning material https://github.com/qbists/studyq https://community.kx.com/t5/kdb-and-q/Q-For-Problems-Episode-4/td-p/13254[04] 00:08:20 CBQN REPLXX XXXX[05] 00:10:22 iPython REPL https://ipython.org/[06] 00:11:30 Conor's Venn Diagram https://github.com/codereport/array-language-comparisons[07] 00:15:33 TI-BASIC https://en.wikipedia.org/wiki/TI-BASIC[08] 00:19:40 Scan primitive https://aplwiki.com/wiki/Scan Reduce primitive https://aplwiki.com/wiki/Reduce[09] 00:25:13 q (-) . x y link to study q https://github.com/qbists/studyq[10] 00:29:20 Range between two numbers Episode 15 https://www.arraycast.com/episodes/episode15-tacit-3-and-other-topics Stephen's blog post XXXX[11] 00:34:06 Fold in J https://code.jsoftware.com/wiki/Vocabulary/fcap[12] 00:34:50 Prefix in J https://code.jsoftware.com/wiki/Vocabulary/bslash Suffix in J https://code.jsoftware.com/wiki/Vocabulary/bslashdot[13] 00:37:50 Iverson Notation https://apl.wiki/Iverson_Notation[14] 00:39:00 Remora https://www.ccs.neu.edu/home/jrslepak/typed-j.pdf Nial https://www.nial-array-language.org/[15] 00:43:35 Vector Notation https://aplwiki.com/wiki/Strand_notation[16] 00:46:50 Sigma Sum https://en.wikipedia.org/wiki/Summation Pi Product https://en.wikipedia.org/wiki/Multiplication#Capital_pi_notation Inner Product https://en.wikipedia.org/wiki/Dot_product[17] 00:48:17 Prefix Functions https://en.wikipedia.org/wiki/Polish_notation Infix Functions https://en.wikipedia.org/wiki/Infix_notation Outer Product https://en.wikipedia.org/wiki/Outer_product Scalar Extension https://aplwiki.com/wiki/Scalar_extension Table in J https://code.jsoftware.com/wiki/Vocabulary/slash#dyadic[18] 00:51:50 Arthur Whitney https://aplwiki.com/wiki/Arthur_Whitney k programming language https://k.miraheze.org/wiki/Learning_Resources q programming language https://code.kx.com/q/ lisp programming language https://en.wikipedia.org/wiki/Lisp_(programming_language)[19] 00:53:12 Compression in APL https://aplwiki.com/wiki/Replicate[20] 00:55:21 BQN Strand Notation https://mlochbaum.github.io/BQN/doc/arrayrepr.html#strands[21] 00:57:20 APL2 https://aplwiki.com/wiki/APL2[22] 00:58:10 Roger Hui https://aplwiki.com/wiki/Roger_Hui[23] 01:02:50 Matlab https://www.mathworks.com/products/matlab.html[24] 01:13:12 Implicit Map https://aplwiki.com/wiki/Scalar_extension[25] 01:23:05 I programming language https://aplwiki.com/wiki/I[27] 01:25:10 Nial Atlases https://www.nial-array-language.org/ndocs/dict/#atlas[28] 01:26:04 APL+ https://aplwiki.com/wiki/APL*PLUS[29] 01:31:07 Selfie https://aplwiki.com/wiki/Commute[30] 01:33:10 APL/? Introduction of J https://www.jsoftware.com/papers/J1990.htm[31] 01:37:40 Ferrari refutes the decline of the West https://www.caranddriver.com/features/a15142347/ferrari-reinvents-manifest-destiny-pj-orourke-and-a-ferrari-308gts-archived-feature/[33] 01:45:41 Wolfram language https://www.wolfram.com/language/[34] 01:46:41 contact AT ArrayCast DOT com Conor's Github table https://github.com/codereport/array-language-comparisons/blob/main/Iversonian_vs_Array.md

Array Cast - October 14, 2022 Show NotesMany thanks to Bob Therriault for gathering these links:[01] 00:02:25 2022 Dyalog User Meeting https://www.dyalog.com/user-meetings/dyalog22.htm[02] 00:03:10 q Vector dojo on problem solving SJT AT 5JT DOTcom[03] 00:04:25 Conor's paradigm conference presentation https://www.youtube.com/watch?v=8oKAHQsh1oM[04] 00:07:37 Everest the Hard Way https://en.wikipedia.org/wiki/1975_British_Mount_Everest_Southwest_Face_expedition Chris Bonington https://en.wikipedia.org/wiki/Chris_Bonington Stephen Taylor's 45th anniversary blog https://github.com/StephenTaylor-Kx/swf75[05] 00:12:50 Dyalog webinars https://dyalog.tv/Webinar/[06] 00:13:30 ArrayCast Resource pages https://www.arraycast.com/resources[07] 00:14:40 2019 Dyalog Young User Panel https://www.youtube.com/watch?v=jHBKxuRLaz4&list=PL5i_Y8skrlUJzbu_hd6I0oZPpbczBd4UV&index=25[08] 00:15:50 RikedyP Youtube channel https://www.youtube.com/channel/UCOx-h5m9MeV14rG4PicRB7g[09] 00:16:13 Innovator's Dilemma https://en.wikipedia.org/wiki/The_Innovator%27s_Dilemma Lib Gibson Episode on ArrayCast https://www.arraycast.com/episodes/episode35-lib-gibson[10] 00:18:20 BQN https://mlochbaum.github.io/BQN/[11] 00:18:58 Gitte Christensen Episode on ArrayCast https://www.arraycast.com/episodes/episode12-gitte-christensen[12] 00:22:50 Troels Henriksen Episode on ArrayCast https://www.arraycast.com/episodes/episode37-futhark Troels' Blog post https://futhark-lang.org/blog/2022-10-03-futhark-on-arraycast.html Futhark https://futhark-lang.org/[13] 00:24:39 ADSP https://adspthepodcast.com/[14] 00:26:00 k programming language https://aplwiki.com/wiki/K q programming language https://code.kx.com/q/[15] 00:28:21 Ken Iverson https://aplwiki.com/wiki/Ken_Iverson J labs https://code.jsoftware.com/wiki/Labs/Index Jupyter notebooks https://jupyter.org/ Wolfram notebooks https://www.wolfram.com/notebooks/[16] 00:31:50 Jeremy Howard Episode on ArrayCast https://www.arraycast.com/episodes/episode31-jeremy-howard Fastai APL course https://forums.fast.ai/t/apl-array-programming/97188[17] 00:35:17 iPad J forum discussions http://jsoftware.com/pipermail/general/2022-October/039434.html http://jsoftware.com/pipermail/general/2022-October/039454.html J901 iOS app https://apps.apple.com/us/app/j901/id1483497239 J701 iOS app https://apps.apple.com/us/app/j701/id1255235993[18] 00:37:06 Arthur Whitney https://aplwiki.com/wiki/Arthur_Whitney Janet Lustgarten https://www.engineering.columbia.edu/board-of-visitors/janet-lustgarten[19] 00:38:40 Stefano Lanzavecchia http://archive.vector.org.uk/art10013850[20] 00:39:48 Paul Mansour https://www.toolofthought.com/[21] 00:41:07 2014 J Software Conference https://code.jsoftware.com/wiki/Community/Conference2014[22] 00:45:05 BQN Documentation https://mlochbaum.github.io/BQN/doc/index.html J wiki https://code.jsoftware.com/wiki/Main_Page Ken Iverson quote http://keiapl.org/rhui/remember.htm#500 Group function in BQN https://mlochbaum.github.io/BQN/doc/group.html[23] 00:47:30 Reverse function in BQN https://mlochbaum.github.io/BQN/doc/reverse.html Scan Diagram for BQN https://mlochbaum.github.io/BQN/doc/scan.html[24] 00:53:12 Help pages https://mlochbaum.github.io/BQN/help/index.html[25] 01:00:00 Python Programming Language https://www.python.org/ Rust Programming Language https://www.rust-lang.org/ Rust up https://opensource.com/article/22/6/rust-toolchain-rustup[26] 01:01:44 StackOverflow https://stackoverflow.com/[27] 01:03:20 APLfarm Discord https://aplwiki.com/wiki/APL_Farm[28] 01:07:24 Aftershock Netflix https://www.netflix.com/ca/title/81397884[29] 01:10:20 J programming language https://www.jsoftware.com/[30] 01:11:40 Jd database https://code.jsoftware.com/wiki/Jd/Index[31] 01:16:18 Racket programming language https://en.wikipedia.org/wiki/Racket_(programming_language)[32] 01:19:25 Joe Armstrong https://en.wikipedia.org/wiki/Joe_Armstrong_(programmer) Erlang https://en.wikipedia.org/wiki/Erlang_(programming_language) First make it work... https://blog.ndpar.com/2010/11/18/joe-armstrong-on-optimization/ Smalltalk programming language[33] 01:21:50 Online REPL's tryAPL https://tryapl.org/ J Playground https://jsoftware.github.io/j-playground/bin/html2/ BQNPAD https://bqnpad.mechanize.systems/ k9 https://kparc.com/k/ Nial https://tio.run/#Nial[34] 01:23:20 APL Orchard https://aplwiki.com/wiki/APL_Orchard APL wiki https://aplwiki.com/wiki/

Array Cast - September 30, 2022 Show NotesMany thanks to Bob Therriault for gathering these links:[01] 00:03:08 ADSP podcast on K https://adspthepodcast.com/2022/09/23/Episode-96.html[02] 00:03:30 Paradigm Conference 2022 https://esolangconf.com/[03] 00:04:25 Troels Henriksen https://sigkill.dk/[04] 00:05:05 Futhark https://futhark-lang.org/[05] 00:06:12 Linux https://www.linux.org/[06] 00:08:00 Textualize https://www.textualize.io/[07] 00:08:27 Standard ML https://en.wikipedia.org/wiki/Standard_ML Common Lisp https://en.wikipedia.org/wiki/Common_Lisp Haskell https://www.haskell.org/[08] 00:09:50 Cosmin Oancea http://hjemmesider.diku.dk/~zgh600/[09] 00:10:53 Ocaml https://ocaml.org/[10] 00:12:20 Numpy https://numpy.org/ PyTorch https://github.com/pytorch/pytorch[11] 00:13:07 Single Assignment C https://www.sac-home.org/index[12] 00:13:20 Codfns https://github.com/Co-dfns/Co-dfns DEX https://github.com/google-research/dex-lang Accelerate for Haskell https://www.acceleratehs.org Copperhead https://github.com/bryancatanzaro/copperhead Tensorflow https://github.com/tensorflow/tensorflow JAX https://github.com/google/jax[13] 00:18:39 Phd Position https://employment.ku.dk/phd/?show=157471[14] 00:20:17 Experiential Learning https://en.wikipedia.org/wiki/Experiential_learning[15] 00:21:21 DIKU https://di.ku.dk/english/ Hiperfit http://hiperfit.dk/ Simcorp https://en.wikipedia.org/wiki/SimCorp Dyalog https://www.dyalog.com/[16] 00:23:00 TAIL http://hiperfit.dk/pdf/array14_final.pdf apltail https://github.com/melsman/apltail Martin Elsman https://elsman.com/[17] 00:29:17 Parametric Polymorphism https://en.wikipedia.org/wiki/Parametric_polymorphism[18] 00:32:06 Jay Foad https://aplwiki.com/wiki/Jay_Foadhttps://docs.dyalog.com/latest/Compiler%20User%20Guide.pdf[19] 00:33:00 Tacit Programming https://aplwiki.com/wiki/Tacit_programming[20] 00:36:30 Mandelbrot set https://en.wikipedia.org/wiki/Mandelbrot_set[21] 00:41:07 Typed Array Languages https://mlochbaum.github.io/BQN/implementation/compile/intro.html#typed-array-languages[22] 00:42:05 Leading Axis Array Theory https://aplwiki.com/wiki/Leading_axis_theory[23] 00:43:56 Ken Iverson https://en.wikipedia.org/wiki/Kenneth_E._Iverson[24] 00:49:25 Conor's Array Comparison https://github.com/codereport/array-language-comparisons[25] 00:49:50 APEX https://gitlab.com/bernecky/apex Bob Bernecky https://www.snakeisland.com/[26] 00:51:05 Second Order Array Combinators https://futhark-book.readthedocs.io/en/latest/language.html[27] 00:52:30 Associativity https://en.wikipedia.org/wiki/Associative_property Commutativity https://en.wikipedia.org/wiki/Commutativity[28] 00:56:12 Toxoplasma Gondii https://en.wikipedia.org/wiki/Toxoplasma_gondii[29] 00:59:20 Guy Blelloch https://en.wikipedia.org/wiki/Guy_Blelloch Nesl http://www.cs.cmu.edu/~scandal/nesl.html[30] 01:00:38 Remora https://www.ccs.neu.edu/home/jrslepak/typed-j.pdf Justin Slepak https://jrslepak.github.io/[31] 01:01:12 Conor's Venn diagram https://github.com/codereport/array-language-comparisons[32] 01:02:40 K https://aplwiki.com/wiki/K Kona https://aplwiki.com/wiki/Kona[33] 01:03:20 April https://aplwiki.com/wiki/April Andrew Sengul Episode on Array Cast https://www.arraycast.com/episodes/episode23-andrew-sengul[34] 01:04:40 Py'n'APL https://github.com/Dyalog/pynapl APL.jl https://aplwiki.com/wiki/APL.jl May https://github.com/justin2004/may Julia https://julialang.org/[35] 01:08:05 Bjarne Stroustrup C++ https://www.stroustrup.com/[36] 01:09:16 Artem Shinkarov https://ashinkarov.github.io/ Sven-Bodo Scholz https://www.macs.hw.ac.uk/~sbs/homepage/main/Welcome.html https://www.microsoft.com/en-us/research/video/sac-off-the-shelf-support-for-data-parallelism-on-multicores/[37] 01:10:19 Contact AT ArrayCast DOT com