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- 01:38, 5 March 2024 Hide (hist | edit) [18 bytes] Marshall (talk | contribs) (Redirected page to Stop) Tag: New redirect
- 01:37, 5 March 2024 Stop (hist | edit) [1,857 bytes] Marshall (talk | contribs) (Created page with "{{Built-in|Stop|⊣}} (in SHARP APL and APLX) or '''Hide''' (in GNU APL and Kap) is a primitive monadic function that ignores its argument and returns a non-printing value. It shares the left tack glyph with Left Identity. The nature of the returned value can vary: for example an empty matrix is used in SAX and APLX, while GNU APL uses the scalar 0 but returns it as a shy result (or "committed"). In SHARP APL's initial implemen...")
- 01:03, 5 March 2024 N-wise Reduce first (hist | edit) [29 bytes] Marshall (talk | contribs) (Redirected page to Windowed Reduce) Tag: New redirect
- 00:57, 5 March 2024 Determinant (hist | edit) [2,313 bytes] Marshall (talk | contribs) (Created page with "{{Built-in|Determinant|<nowiki>.</nowiki>}} is a primitive dyadic operator that takes two dyadic functions for operands and produces a monadic function. Much like Inner Product for matrix products, it generalizes the matrix wikipedia:determinant, so that <source lang=apl inline>-.×</source> computes the determinant and <source lang=apl inline>+.×</source> the wikipedia:permanent (mathematics). Determinant has been implemented in SHAR...")
- 13:17, 4 March 2024 APL machine (hist | edit) [26 bytes] Marshall (talk | contribs) (Redirected page to APL hardware) Tag: New redirect
- 13:15, 4 March 2024 Dyalog APL 9.0 (hist | edit) [33 bytes] Marshall (talk | contribs) (Redirected page to Dyalog APL#Versions) Tag: New redirect
- 13:15, 4 March 2024 Dyalog APL 7.0 (hist | edit) [33 bytes] Marshall (talk | contribs) (Redirected page to Dyalog APL#Versions) Tag: New redirect
- 20:23, 3 March 2024 Typing APL glyphs (hist | edit) [27 bytes] Marshall (talk | contribs) (Redirected page to Typing glyphs) Tag: New redirect
- 19:31, 3 March 2024 User group (hist | edit) [25 bytes] Marshall (talk | contribs) (Redirected page to User groups) Tag: New redirect
- 17:00, 3 March 2024 Direct definition (hist | edit) [816 bytes] Marshall (talk | contribs) (Created page with "'''Direct definition''' may refer to any of several different function styles, which share the feature that arguments are given default names rather than having names defined in a header: * Direct definition (Iverson), a named style defined by Ken Iverson and used to discuss APL in the 1970s and 80s * Direct definition (NARS), an anonymous function produced in NARS by applying <syntaxhighlight lang=apl inline>∇</syntaxhighlight> to strings *...")
- 16:48, 3 March 2024 Assign (hist | edit) [24 bytes] Marshall (talk | contribs) (Redirected page to Assignment) Tag: New redirect
- 16:42, 3 March 2024 Function style (hist | edit) [29 bytes] Marshall (talk | contribs) (Redirected page to Function styles) Tag: New redirect
- 16:41, 3 March 2024 Direct definition (notation) (hist | edit) [3,803 bytes] Marshall (talk | contribs) (Created page with "Ken Iverson's '''direct definition''' is a function style written with a name followed by <code>:</code> and a result, using <syntaxhighlight lang=apl inline>⍺</syntaxhighlight> and <syntaxhighlight lang=apl inline>⍵</syntaxhighlight> for arguments. The result may be one expression, which is evaluated to apply the function, or three expressions separated by <code>:</code>, in which case the middle expression is evaluated to determine which of the other tw...") originally created as "Direct definition (Iverson)"
- 01:20, 2 March 2024 Prefix vector (hist | edit) [39 bytes] Marshall (talk | contribs) (Redirected page to Prefix and suffix vectors) Tag: New redirect
- 01:20, 2 March 2024 Suffix vector (hist | edit) [39 bytes] Marshall (talk | contribs) (Redirected page to Prefix and suffix vectors) Tag: New redirect
- 01:14, 2 March 2024 Prefix and suffix vectors (hist | edit) [3,541 bytes] Marshall (talk | contribs) (Created page with "{| class=vertical-navbox style="float:right; font-size:500%; margin:0 1ex;" |<code>⍺</code> <code>⍵</code> |} In Iverson notation, the '''prefix vector''' <math>\alpha^j(n)</math> and '''suffix vector''' <math>\omega^j(n)</math> of weight <math>j</math> and length <math>n</math> are Boolean vectors that can be used with Replicate to select a prefix or suffix of a vector, a task now performed with Take. Primitives <code>⍺</code> and <code>⍵...") originally created as "Prefix and Suffix vectors"
- 15:40, 1 March 2024 Dyalog APL 19.0 (hist | edit) [38 bytes] Marshall (talk | contribs) (Redirected page to Dyalog APL versions#19.0) Tag: New redirect
- 15:06, 28 February 2024 APL*PLUS/PC (hist | edit) [22 bytes] Marshall (talk | contribs) (Redirected page to APL*PLUS) Tag: New redirect
- 14:45, 28 February 2024 Expansion (hist | edit) [20 bytes] Marshall (talk | contribs) (Redirected page to Expand) Tag: New redirect
- 14:45, 28 February 2024 Interval vector (hist | edit) [29 bytes] Marshall (talk | contribs) (Redirected page to Index Generator) Tag: New redirect
- 14:45, 28 February 2024 Exponentiation (hist | edit) [30 bytes] Marshall (talk | contribs) (Redirected page to Power (function)) Tag: New redirect
- 03:39, 28 February 2024 IVSYS/7090 (hist | edit) [7,262 bytes] Marshall (talk | contribs) (Created page with "{{Infobox array language | array model = flat without boxes | index origin = 1 | function styles = defined function | numeric types = integer, float | unicode support = no | released = 1965 | developer = Larry Breed (IBM), Phil Abrams | implementation language = wikipedia:FORTRAN | platforms = wikipedia:IBM 7090 | ope...")
- 21:28, 26 February 2024 Philip Abrams (hist | edit) [25 bytes] Marshall (talk | contribs) (Redirected page to Phil Abrams) Tag: New redirect
- 21:28, 26 February 2024 Phil S. Abrams (hist | edit) [25 bytes] Marshall (talk | contribs) (Redirected page to Phil Abrams) Tag: New redirect
- 21:27, 26 February 2024 Phil Abrams (hist | edit) [3,400 bytes] Marshall (talk | contribs) (Created page with "'''Philip Samuel Abrams''' is an APL implementer who worked on IVSYS/7090, APL\1130, and APL\3000. He is a co-founder of STSC and was briefly chairman of SIGAPL. Abrams graduated Princeton with an A.B. in mathematics in 1964 and entered Stanford, where he would earn an M.S. degree in computer science in 1966 and Ph.D. in 1970. There he worked with Larry Breed, of IBM's wik...")
- 02:34, 26 February 2024 Richard Lathwell (hist | edit) [27 bytes] Marshall (talk | contribs) (Redirected page to Dick Lathwell) Tag: New redirect
- 02:33, 26 February 2024 IPSA '84 (hist | edit) [35 bytes] Marshall (talk | contribs) (Redirected page to IPSA conferences#1984) Tag: New redirect
- 02:33, 26 February 2024 IPSA conference (hist | edit) [30 bytes] Marshall (talk | contribs) (Redirected page to IPSA conferences) Tag: New redirect
- 02:32, 26 February 2024 Dick Lathwell (hist | edit) [3,867 bytes] Marshall (talk | contribs) (Created page with "'''Richard Henry Lathwell''' was one of the implementers of APL\360, and a designer and implementer at IBM and I.P. Sharp Associates afterwards. He is credited with the practical realization of shared variables in APL.SV, and also published the modern formula for tolerant comparison,<ref>Dick Lathwell. [https://doi.org/10.1145/800114.803685 APL comparison tolerance] at APL76 (also reproduced in [https://www.jsoftware.com/papers/satn23.htm SATN...")
- 03:34, 25 February 2024 Comparison tolerance (hist | edit) [4,430 bytes] Marshall (talk | contribs) (Created page with "'''Tolerant comparison''' is an inexact form of comparison used to mitigate the impact of floating-point rounding error on programs. It considers two numbers equal when their relative difference is smaller than a parameter called the '''comparison tolerance''', and accessed with the system variable <syntaxhighlight lang=apl inline>⎕CT</syntaxhighlight>. In addition to the comparison functions, tolerance applies to Match and Not Match, Floor, C...") originally created as "Tolerant comparison"
- 02:46, 25 February 2024 Character (hist | edit) [1,764 bytes] Marshall (talk | contribs) (Created page with ":''This page is about the data type. For the symbols used to write APL code, see Glyph.'' A '''character''' is a scalar array representing a unit of text. In current APLs this generally means a Unicode wikipedia:code point, while historically various custom character sets were used. These accomodated typical text as well as APL code, usually with one byte per character. Characters and numbers are the two basic...")
- 22:26, 23 February 2024 Numeric (hist | edit) [20 bytes] Marshall (talk | contribs) (Redirected page to Number) Tag: New redirect
- 22:25, 23 February 2024 Numeric type (hist | edit) [34 bytes] Marshall (talk | contribs) (Redirected page to Number#Numeric types) Tag: New redirect
- 22:25, 23 February 2024 Numeric types (hist | edit) [34 bytes] Marshall (talk | contribs) (Redirected page to Number#Numeric types) Tag: New redirect
- 22:23, 23 February 2024 Number (hist | edit) [4,921 bytes] Marshall (talk | contribs) (Created page with "In APL, a number is a scalar array representing a mathematical wikipedia:number. Numbers and characters were the only possible element types in APL0 and remain the basic data types in modern APLs. In addition to quantities for computation, they are used to represent Booleans (0 and 1) and indices. Numeric operations may be subject to floating-point rounding and comparison tolerance. Traditionally, APL provides only one user-visib...")
- 00:24, 23 February 2024 Soliton (hist | edit) [56 bytes] Marshall (talk | contribs) (Redirected page to I.P. Sharp Associates#Soliton Incorporated) Tag: New redirect
- 23:53, 21 February 2024 APL*PLUS III (hist | edit) [22 bytes] Adám Brudzewsky (talk | contribs) (Redirected page to APL*PLUS) Tag: New redirect
- 19:35, 21 February 2024 APL*PLUS II (hist | edit) [22 bytes] Marshall (talk | contribs) (Redirected page to APL*PLUS) Tag: New redirect
- 16:25, 20 February 2024 Evolution level (hist | edit) [29 bytes] Marshall (talk | contribs) (Redirected page to Migration level) Tag: New redirect
- 16:24, 20 February 2024 EVOLUTION ERROR (hist | edit) [794 bytes] Marshall (talk | contribs) (https://tenebrax.bandcamp.com/track/evolution-error is quite good actually)