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• APL.jl
  | function styles = [[dfn]] ...not from Miscellaneous Technical block, are instead borrowed from Julia's set<ref>https://docs.juliahub.com/CalculusWithJulia/AZHbv/0.0.5/misc/unicode.ht
  3 KB (393 words) - 08:25, 23 September 2022
• Jelly
  | function styles = [[tacit]] ...ntended to give Jelly an advantage in [[code golf]], e.g. divmod, the hash function, and string compression. Jelly uses different terminology from normal APL u
  2 KB (283 words) - 22:46, 24 January 2024
• Catenate
  ...]]s is allowed and actually performs a lamination. In APLs which allow a [[function axis]] for Catenate, Laminate can be invoked by giving a fractional (non-in ...oving the ability to specify an axis, and add a new dedicated [[Laminate]] function.
  3 KB (439 words) - 21:02, 10 September 2022
• Key
  ...primitive operator|primitive]] [[monadic operator]] which takes a [[dyadic function]] [[operand]] where specified keys group the indices or major cells of an a ...and applies the [[function]] operand once for each unique major cell. The function is applied with the unique major cell as left argument, while the right arg
  7 KB (895 words) - 00:56, 16 April 2024
• Function axis
  ...perator while the behavior of functions with axis must be defined for each function separately. However, [[GNU APL]] implements the syntax and extends it so it The following [[Monadic function|monads]] may allow an axis:
  6 KB (878 words) - 05:12, 11 November 2022
• Dyalog User Commands
  ...s play a crucial role for Dyalog APL developers. Dyalog comes with a rich set of user commands, but independent parties also develop and maintain user co Dyalog installs its own set of user commands into <syntaxhighlight lang=apl inline>[DYALOG]/SALT/spice<
  13 KB (1,727 words) - 15:48, 7 October 2023
• Timeline of APL primitives
  ...rse]]/[[Rotate]] (<syntaxhighlight lang=apl inline>⌽</syntaxhighlight>), [[Function axis]] | 1974 || [[APL/700]] || [[Union]], [[Intersection]], [[Set Difference]] (but these functions only return unique elements), [[modified
  8 KB (788 words) - 22:14, 18 March 2024
• Variant
  ...f>) and '''Fit''' in [[J]], is a special [[dyadic operator]] which takes a function as its left [[operand]] and modifies its behaviour as specified by the arra ...his time in the form of a dyadic operator that would customise [[primitive function]]s.
  5 KB (626 words) - 10:43, 11 September 2022
• Dyalog APL Vision
  | function styles = [[tradfn]], [[dfn]], [[tacit]] * All set functions support arguments of any rank.
  9 KB (1,087 words) - 15:09, 6 March 2024
• Depth
  ...pth, a number associated with every array. For the operator that applies a function at a given depth, see [[Depth (operator)]].'' {{Built-in|Depth|≡}} is a [[monadic]] [[primitive function]] that returns an array's depth. In the APL [[array model]], the '''depth''
  3 KB (549 words) - 21:14, 10 September 2022
• Replicate
  ...e First" or an equivalent. Replicate is a widely-accepted extension of the function '''Compress''', which requires the number of copies to be [[Boolean]]: each ...etimes resolved by making Replicate an operator itself, and sometimes by [[function-operator overloading]] allowing both syntactic elements to coexist.
  16 KB (2,092 words) - 19:15, 16 March 2024
• Migration level
  | [[Replicate]] [[function]] | [[Expand]] [[function]]
  7 KB (762 words) - 17:40, 20 February 2024
• ISO/IEC 13751:2001
  ...as the [[Commute]] and [[Rank (operator)|Rank]] operators, the [[Identity function]]s, and [[GCD]] and [[LCM]] extending Or and And. ...hile others, such as [[APL+Win]] and [[Dyalog]], have a slightly different set of [[quad name]]s and provide the [[migration level]] functionality to impr
  2 KB (308 words) - 13:04, 10 March 2024
• Backwards compatibility
  ...ntax, are always considered the most important to maintain, while [[system function]]s are often handled more loosely and [[I-beam]]s or [[user command]]s may ...ce to appear. The traditional way to do so was to insert a line with one a function on it. The [[FinnAPL idiom library]] includes
  7 KB (1,014 words) - 23:29, 10 March 2024
• Nub Sieve
  ...ilt-in|Nub Sieve|≠}}, '''Nubsieve''', or '''Unique Mask''', is a [[monadic function]] that returns a [[Boolean]] [[vector]] indicating which [[major cells]] of ...Unique Mask can also be derived from the [[self-classify]] or index-in-nub function <syntaxhighlight lang=apl inline>(∪⍳1/⊢)</syntaxhighlight>. The follo
  8 KB (1,082 words) - 16:27, 16 March 2024
• Unique
  {{Built-ins|Unique|∪|↑}}, or '''Nub''', is a [[monadic]] [[set function]] which removes duplicate [[major cells]] from an array. It returns only th ...[Ken Iverson|Iverson]]'s 1978 [[Operators and Functions]] along with other set functions including [[Union]], [[Intersection]], and [[Difference]]. There
  9 KB (1,243 words) - 12:57, 23 November 2023
• APL\3000
  | function styles = [[defined function]] ...\3000 followed the [[APL.SV]] model closely, and featured exactly the same set of primitives. However, it featured the new implementation techniques of a
  11 KB (1,609 words) - 22:06, 8 August 2023
• Index
  :''This page is about the array theory concept. See [[Index (function)]], [[Indexing]], [[Indices]], [[Index Generator]], [[Index of]], and [[Int ...the ordering within each axis. One definition of an array is simply a map (function) which specifies an element for each index, where the possible indices are
  6 KB (946 words) - 22:05, 10 September 2022
• Indices
  {{Built-in|Indices|⍸}}, or '''Where''', is a [[monadic]] [[primitive function]] which returns the [[Index|indices]] of all ones in a [[Boolean]] array. M ...the argument by the number of times it appears. It is identical to the APL function:
  8 KB (1,126 words) - 20:03, 14 April 2024
• Control structure
  Some modern versions of APL include a set of keywords for [[wikipedia:Control flow|controlling flow]] of execution. S ...control structures defined by these keywords is only allowed in [[defined function]]s.
  7 KB (1,008 words) - 14:57, 10 March 2024

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