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|{{quote | "I have long been struck by the contrast between the success with which the adventurous learn APL by simply using it, and the frequent failure of lecture courses to communicate the simplicity and applicability of the language."|[[Ken Iverson]]. ''A Working Introduction to APL'', 1981.}}
 
|{{quote | "I have long been struck by the contrast between the success with which the adventurous learn APL by simply using it, and the frequent failure of lecture courses to communicate the simplicity and applicability of the language."|[[Ken Iverson]]. ''A Working Introduction to APL'', 1981.}}
 
|}
 
|}
== Introductions ==
+
To facilitate self-study, the resources here are classified by target audience. However, if you get stuck, don't hesitate to request help in the [[APL Orchard]] chat room or [https://stackoverflow.com/questions/ask?tags=apl ask a question on Stack Exchange].
=== For non-programmers ===
+
 
 +
== For non-programmers ==
  
 
Some of the best resources for somebody new to APL and programming in general are:
 
Some of the best resources for somebody new to APL and programming in general are:
 +
* APL Wiki's [[simple examples]]
 
* The [https://tryapl.org/?tab=3 Learn tab on TryAPL]
 
* The [https://tryapl.org/?tab=3 Learn tab on TryAPL]
 
* The book [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL] by Bernard Legrand
 
* The book [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL] by Bernard Legrand
* The APL Cultivation [https://chat.stackexchange.com/rooms/info/52405/the-apl-orchard?tab=conversations Stack Exchange Lessons]
 
 
* The [https://tutorial.dyalog.com Zark APL Tutor]
 
* The [https://tutorial.dyalog.com Zark APL Tutor]
 +
* APL a Day: [https://www.sacrideo.us/apl-a-day-0-introduction/ Introduction], [https://www.sacrideo.us/apl-a-day-1-functions/ Functions], [https://www.sacrideo.us/apl-a-day-2-arrays-values/ Arrays, Values], [https://www.sacrideo.us/apl-a-day-3-arrays-have-shape/ Arrays have Shape]
 +
* [http://robertson.uk.net/Files/APL1&2.pdf A Practical Introduction to APL 1 & 2] (3 & 4 is [[#For novice APLers|for experts]])
 +
* Découvrez le langage APL : [https://www.youtube.com/watch?v=Nxq1BUUXobM part 1], [https://www.youtube.com/watch?v=s-E7BsMg_Qc part 2], [https://www.youtube.com/watch?v=csx2Z-GEGPw part 3] by Eric Schrafstetter (in French)
 +
Follow one or a couple of these tutorials through and play around a bit. To learn APL the advice is similar to that for learning other languages: have a goal (something you want to accomplish) and try to do it. Along the way you are sure to come across the pitfalls and gotchas of the language, and with time you may come to understand what APL thinking means.
 +
 +
== For non-APL programmers ==
 +
 +
This is a list of tutorials and other resources of interest to someone who knows about programming or is familiar with another programming language, but wants to learn more about APL.
 +
<div style="column-width:20em">
 +
* APL Wiki's [[advanced examples]]
 +
* APL Wiki's [[Books]]
 +
* APL Wiki's [[Papers]]
 +
* [[APL Cultivation]] (chat lessons)
 +
* [https://tryapl.org TryAPL online interpreter with lessons]
 +
* [https://github.com/nooodl/learnxinyminutes-docs/blob/master/apl.apl Learn X in Y minutes]
 +
* [https://codeburst.io/lets-learn-a-programming-language-5f374e4abae5 Let's Learn A Programming Language]
 +
* [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL] and its companion [https://github.com/mhaupt/mastering_dyalog_apl GitHub repository]
 +
* [https://tutorial.dyalog.com/ Zark tutorial]
 +
* [https://github.com/vendethiel/trying.apl Trying APL]
 +
* [https://github.com/annser/annser Artificial Neural Networks]
 +
* [https://codeburst.io/fizzbuzz-in-apl-a193d1954b4b FizzBuzz]
 +
</div>
 +
[[Category:Lists]]
  
Follow one or a couple of these tutorials through and play around a bit. To learn APL the advice is similar to that for learning other languages: have a goal (something you want to accomplish) and try to do it. Along the way you are sure to come across the pitfalls and gotchas of the language, and with time you may come to understand what APL thinking means.
+
== For novice APLers ==
 +
 
 +
* [http://robertson.uk.net/Files/APL3&4.pdf A Practical Introduction to APL 3 & 4]
 +
 
 +
If you already have a fair grasp of APL's [[primitive function]]s and [[primitive operator|operators]], you can sharpen your skills by challenging yourself with these:
 +
* [https://aplcart.info/quiz APLcart Quiz]: Be challenged to write a function for a given task or to explain what a given function does. (Based on [[APLcart]] data.)
 +
 
 +
* APL Crosswords: [https://abrudz.github.io/crosswords/1/ 1] [https://abrudz.github.io/crosswords/4/ 4] [https://abrudz.github.io/crosswords/5/ 5] — Fill in expressions and snippets to fulfil all the clues.
 +
 
 +
* [https://www.dyalog.com/2016-year-game.htm 2016 Year Game]: Find APL expressions involving exactly the digits 2 0 1 6 in that order to equal the numbers 0 to 100.
  
If you get stuck, don't hesitate to ask your questions in the [[APL Orchard]] chat room.
+
* [https://www.dyalog.com/2017-code-golf-challenge.htm 2017 Code Golf Challenge]: Find the shortest possible APL expression that evaluates 1…52 without using any number or character literals.
  
=== For non-APL programmers ===
+
* [https://www.dyalog.com/student-competition.htm Previous years' problems] from the [[APL Problem Solving Competition]].
  
This is a list of tutorials and other resources of interest to someone who knows about programming or is familiar with another programming language, but wants to learn more about APL.
+
* [[APL-eusis]]: A game for honing your ability to "think in APL".
  
* [https://chat.stackexchange.com/rooms/info/52405/the-apl-orchard?tab=conversations Stack Exchange Lessons]
+
== For old APLers ==
* [https://tryapl.org TryAPL]
+
In the last decade, several implementations have extended APL:
* [https://github.com/nooodl/learnxinyminutes-docs/blob/master/apl.apl LearnXinYminutes]
 
* [https://theburningmonk.com/2015/06/fear-and-loathing-with-apl/ Fear and Loathing with APL Learn APL in 10 minutes]
 
* [https://aplwiki.com/AplIn20Minutes APL in 20 Minutes]
 
* [https://www.whoishostingthis.com/resources/apl/ A Short Intro to APL]
 
* [https://codeburst.io/lets-learn-a-programming-language-5f374e4abae5 Let's Learn A Programming Language]
 
* [https://aplwiki.com/BooksAndPublications APLWiki list of Books and Publications]
 
* [https://www.dyalog.com/mastering-dyalog-apl.htm  Mastering Dyalog APL]
 
* [https://github.com/mhaupt/mastering_dyalog_apl GitHub repository]
 
* [https://tutorial.dyalog.com/ Tutorial]
 
* [https://github.com/vendethiel/trying.apl Trying APL - Basic APL snippets demonstrating function and operator behaviour]
 
* [https://github.com/annser/annser Artificial Neural Networks on the Raspberry Pi]
 
* [https://codeburst.io/fizzbuzz-in-apl-a193d1954b4b FizzBuzz in APL]
 
  
[[Category:Lists]]
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* New primitive functions: <source lang=apl inline>⊢</source> [[Identity|Same]], [[Right_identity|Right]]; <source lang=apl inline>⊣</source> [[Identity|Same]], [[Left_identity|Left]]; <source lang=apl inline>⌷</source> [[Materialise]], [[Squad indexing|Index]]; <source lang=apl inline>≡</source> [[Depth]], [[Match]]; <source lang=apl inline>≢</source> [[Tally]], [[Not Match]]; <source lang=apl inline>⍸</source> [[Where]], [[Interval Index]]; <source lang=apl inline>⊆</source> [[Nest]], [[Partition]]
  
=== For novice APLers ===
+
* New primitive operators: <source lang=apl inline>∘</source> [[Bind]], [[Beside]]; <source lang=apl inline>⍤</source> [[Rank operator|Rank]]; <source lang=apl inline>⌸</source> [[Key]]; <source lang=apl inline>⌺</source> [[Stencil]]; <source lang=apl inline>⍠</source> [[Variant]]
  
[[Intermediate APL]]
+
* Lambdas ([[dfns]]): [https://help.dyalog.com/16.0/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Functions%20and%20Operators.htm Intro]; [https://help.dyalog.com/latest/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/MultiLine%20Dynamic%20Functions.htm Details]; [https://help.dyalog.com/latest/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Operators.htm Operators]; [https://dfns.dyalog.com/n_contents.htm The dfns workspace] (collection of categorized utilities with extensive comments and notes)
  
=== For old APLers ===
+
* [[Tacit programming]]: [[Dyalog APL]] documentation: [https://help.dyalog.com/16.0/Content/RelNotes14.0/Function%20Trains.htm Intro]; [https://help.dyalog.com/latest/Content/Language/Introduction/Trains.htm Details]; [https://www.youtube.com/watch?v=kt4lMZbn-so short video]; [https://www.youtube.com/watch?v=A2LqqBosvY0 long video]; [https://chat.stackexchange.com/rooms/52405/conversation/lesson-23-transcribing-to-and-reading-trains APL Cultivation lesson]
  
[[Modern APL for old APLers]]
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* Other features: [[Keyword]]s; [[Object-oriented programming]]
  
== How to's ==
+
== For advanced APLers ==
  
=== Error trapping ===
+
Here is a list of "how-to"s on various subjects:
  
{{Main|Error trapping in Dyalog APL}}
+
* [[Error trapping with Dyalog APL]]
  
=== Graphical User Interfaces ===
+
* [[Error trapping in Dyalog APL forms]]
  
=== Calling APL from other languages ===
+
* [[Calling APL from other languages]]
  
=== Calling other languages from APL ===
+
* [[Calling other languages from APL]]
  
=== Performance tuning ===
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* [[Performance tuning]]
  
=== APL on the web ===
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* [[APL on the web]]
  
=== Parallel computing ===
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* [[Parallel computing]]
  
=== Cryptography ===
+
* [[Cryptography]] <span style="background:yellow">← Migrate https://old.aplwiki.com/CryptographyWithDyalogAndDotNet</span>
  
Migrate https://aplwiki.com/CryptographyWithDyalogAndDotNet
+
* [[WPF XAML Demo]]
  
{{APL programming language}}
+
{{APL development}}

Latest revision as of 14:25, 14 July 2020

"I have long been struck by the contrast between the success with which the adventurous learn APL by simply using it, and the frequent failure of lecture courses to communicate the simplicity and applicability of the language."

Ken Iverson. A Working Introduction to APL, 1981.

To facilitate self-study, the resources here are classified by target audience. However, if you get stuck, don't hesitate to request help in the APL Orchard chat room or ask a question on Stack Exchange.

For non-programmers

Some of the best resources for somebody new to APL and programming in general are:

Follow one or a couple of these tutorials through and play around a bit. To learn APL the advice is similar to that for learning other languages: have a goal (something you want to accomplish) and try to do it. Along the way you are sure to come across the pitfalls and gotchas of the language, and with time you may come to understand what APL thinking means.

For non-APL programmers

This is a list of tutorials and other resources of interest to someone who knows about programming or is familiar with another programming language, but wants to learn more about APL.

For novice APLers

If you already have a fair grasp of APL's primitive functions and operators, you can sharpen your skills by challenging yourself with these:

  • APLcart Quiz: Be challenged to write a function for a given task or to explain what a given function does. (Based on APLcart data.)
  • APL Crosswords: 1 4 5 — Fill in expressions and snippets to fulfil all the clues.
  • 2016 Year Game: Find APL expressions involving exactly the digits 2 0 1 6 in that order to equal the numbers 0 to 100.
  • 2017 Code Golf Challenge: Find the shortest possible APL expression that evaluates 1…52 without using any number or character literals.
  • APL-eusis: A game for honing your ability to "think in APL".

For old APLers

In the last decade, several implementations have extended APL:

For advanced APLers

Here is a list of "how-to"s on various subjects:


APL development [edit]
Interface SessionTyping glyphs (on Linux) ∙ FontsText editors
Publications IntroductionsLearning resourcesSimple examplesAdvanced examplesMnemonicsStandardsA Dictionary of APLCase studiesDocumentation suitesBooksPapersVideosPeriodicals
Sharing code APLcartAPLTreeAPL-Cation
Vendors APL2000DyalogGNU APL communityIBMIPSASTSC