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• APL64
  | function styles = [[tradfn]]s, "inner functions" ...ing chevrons <syntaxhighlight lang=apl inline>«»</syntaxhighlight>, "inner functions" defined using control statements <syntaxhighlight lang=apl inline>:DEF</sy
  2 KB (245 words) - 23:28, 22 February 2024
• Pervasion
  [[Scalar function]]s exhibit pervasion by default, whereas [[mixed functions]] and [[Function#Function definition|user defined function]]s do not. The p
  3 KB (387 words) - 21:06, 10 September 2022
• CoSy
  ...tures from the APL tradition: Most notably, it uses keywords for primitive functions. ...to [[K]] and [[RAD]]. Similar to those languages, it also allows usage of functions as data using Forth's quoting.
  2 KB (210 words) - 18:29, 29 January 2024
• Vector
  Results of the [[Shape]] and [[Ravel]] functions are always vectors. Because every array is defined by its shape and ravel ( Many APL functions, such as [[Reverse]], are most naturally defined on vectors. They may be ex
  2 KB (387 words) - 10:32, 11 September 2022
• Cut
  ...[[Rationalized APL]] and implemented in [[SHARP APL]]. It provides several functions that slice an argument into [[subarray]]s in various ways, selected by an i {{APL built-ins}}[[Category:Primitive functions]]
  2 KB (252 words) - 19:34, 31 January 2024
• Logarithm
  ...</syntaxhighlight>) to indicate its close mathematical ties with these two functions, is a stylised tree log.<ref>[[E. E. McDonnell|McDonnell, E. E.]]. [https:/ {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar monadic functions]]
  3 KB (287 words) - 22:06, 10 September 2022
• Conformability
  ...and [https://forums.dyalog.com/viewtopic.php?f=30&t=1622 Tally and scalar functions] by [[Roger Hui]]
  3 KB (408 words) - 03:17, 20 February 2024
• Intersection
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Set functions]]
  2 KB (256 words) - 22:14, 10 September 2022
• Exponential
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar monadic functions]]
  2 KB (241 words) - 22:25, 10 September 2022
• Union
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Set functions]]
  2 KB (256 words) - 17:25, 6 January 2024
• Magnitude
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar monadic functions]]
  2 KB (221 words) - 22:10, 10 September 2022
• APL-eusis
  ...0007.805334 10.1145/390007.805334]</ref><ref>Berry, Michael. "A set of APL functions to play new Eleusis". IJCAI'81: Proceedings of the 7th international joint ...L</syntaxhighlight> ([[Index origin]], [[Random link]]) or system-specific functions like <syntaxhighlight lang=apl inline>⌶</syntaxhighlight> ([[I-beam]]). I
  5 KB (771 words) - 22:04, 10 September 2022
• Gene McDonnell
  ...tps://www.jsoftware.com/papers/eem/gcd.htm "A Notation for the GCD and LCM Functions"].</ref>. He was also involved in the introduction of [[complex number]]s t ...functions: Efficient algorithms for scans and reductions of eight Boolean functions.
  5 KB (678 words) - 11:23, 16 December 2022
• Catenate
  ...ttps://dl.acm.org/doi/abs/10.1145/309730.309736 "The Implementation of Set Functions in APL: A Proposal"]. [[APL Quote Quad]] Volume 28, Issue 3. 1998-03.</ref> * [https://chat.stackexchange.com/rooms/52405/conversation/lesson-9-apl-functions---#41726726 APL Cultivation]
  3 KB (439 words) - 21:02, 10 September 2022
• April
  ...and it also implements a small number of Dyalog's [[system variable]]s and functions. File interaction and [[control structure]]s are not included, as they are
  2 KB (260 words) - 19:02, 7 March 2023
• Power (function)
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar dyadic functions]]
  3 KB (320 words) - 21:38, 10 September 2022
• Del
  ...n]], or the function derived from the current [[dop]], such that anonymous functions and operators may [[wikipedia:recursion (computer science)|recurse]].<ref>[ .... APLX Help. [http://microapl.com/apl_help/ch_020_010_070.htm User-defined Functions].</ref> [[Dyalog APL]] instead offers the [[Lock Definition]] (<syntaxhighl
  3 KB (386 words) - 22:28, 10 September 2022
• Comparison tolerance
  ...light lang=apl inline>⎕CT</syntaxhighlight>. In addition to the comparison functions, tolerance applies to [[Match]] and [[Not Match]], [[Floor]], [[Ceiling]], ...ACM SIGPLAN Notices, Volume 13, Number 8. 1978-08.</ref>) applied to some functions. The value <syntaxhighlight lang=apl inline>⎕CT</syntaxhighlight> to cont
  4 KB (601 words) - 13:30, 26 February 2024
• Empty array
  ...t is produced is often difficult, and may break identities even for simple functions. An empty array's prototype is far less reliable than its shape. .... All define identity elements for most [[scalar functions#Standard scalar functions|scalar primitives]], and some stop there (e.g. [[SAX]]), while others (e.g.
  5 KB (810 words) - 22:29, 10 September 2022
• Signum
  {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar monadic functions]]
  2 KB (320 words) - 21:32, 10 September 2022

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