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Combined display of all available logs of APL Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 16:48, 3 March 2024 Marshall talk contribs created page Assign (Redirected page to Assignment) Tag: New redirect
- 16:42, 3 March 2024 Marshall talk contribs created page Function style (Redirected page to Function styles) Tag: New redirect
- 16:41, 3 March 2024 Marshall talk contribs created page Direct definition (Iverson) (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...")
- 01:20, 2 March 2024 Marshall talk contribs created page Prefix vector (Redirected page to Prefix and suffix vectors) Tag: New redirect
- 01:20, 2 March 2024 Marshall talk contribs created page Suffix vector (Redirected page to Prefix and suffix vectors) Tag: New redirect
- 01:18, 2 March 2024 Marshall talk contribs moved page Prefix and Suffix vectors to Prefix and suffix vectors without leaving a redirect (Iverson notation doesn't capitalize)
- 01:14, 2 March 2024 Marshall talk contribs created page Prefix and Suffix vectors (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>⍵...")
- 15:40, 1 March 2024 Marshall talk contribs created page Dyalog APL 19.0 (Redirected page to Dyalog APL versions#19.0) Tag: New redirect
- 15:06, 28 February 2024 Marshall talk contribs created page APL*PLUS/PC (Redirected page to APL*PLUS) Tag: New redirect
- 14:45, 28 February 2024 Marshall talk contribs created page Expansion (Redirected page to Expand) Tag: New redirect
- 14:45, 28 February 2024 Marshall talk contribs created page Interval vector (Redirected page to Index Generator) Tag: New redirect
- 14:45, 28 February 2024 Marshall talk contribs created page Exponentiation (Redirected page to Power (function)) Tag: New redirect
- 03:39, 28 February 2024 Marshall talk contribs created page IVSYS/7090 (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 Marshall talk contribs created page Philip Abrams (Redirected page to Phil Abrams) Tag: New redirect
- 21:28, 26 February 2024 Marshall talk contribs created page Phil S. Abrams (Redirected page to Phil Abrams) Tag: New redirect
- 21:27, 26 February 2024 Marshall talk contribs created page Phil Abrams (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...")
- 08:39, 26 February 2024 Adám Brudzewsky talk contribs moved page Tolerant comparison to Comparison tolerance (swapping ct and tc)
- 08:38, 26 February 2024 Adám Brudzewsky talk contribs deleted page Comparison tolerance (swapping ct and tc)
- 02:34, 26 February 2024 Marshall talk contribs created page Richard Lathwell (Redirected page to Dick Lathwell) Tag: New redirect
- 02:33, 26 February 2024 Marshall talk contribs created page IPSA '84 (Redirected page to IPSA conferences#1984) Tag: New redirect
- 02:33, 26 February 2024 Marshall talk contribs created page IPSA conference (Redirected page to IPSA conferences) Tag: New redirect
- 02:32, 26 February 2024 Marshall talk contribs created page Dick Lathwell (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 Marshall talk contribs created page Comparison tolerance (Redirected page to Tolerant comparison) Tag: New redirect
- 03:34, 25 February 2024 Marshall talk contribs created page Tolerant comparison (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...")
- 02:46, 25 February 2024 Marshall talk contribs created page Character (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 Marshall talk contribs created page Numeric (Redirected page to Number) Tag: New redirect
- 22:25, 23 February 2024 Marshall talk contribs created page Numeric type (Redirected page to Number#Numeric types) Tag: New redirect
- 22:25, 23 February 2024 Marshall talk contribs created page Numeric types (Redirected page to Number#Numeric types) Tag: New redirect
- 22:23, 23 February 2024 Marshall talk contribs created page Number (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 Marshall talk contribs created page Soliton (Redirected page to I.P. Sharp Associates#Soliton Incorporated) Tag: New redirect
- 23:53, 21 February 2024 Adám Brudzewsky talk contribs created page APL*PLUS III (Redirected page to APL*PLUS) Tag: New redirect
- 19:35, 21 February 2024 Marshall talk contribs created page APL*PLUS II (Redirected page to APL*PLUS) Tag: New redirect
- 13:25, 21 February 2024 User account Jmosk talk contribs was created
- 16:25, 20 February 2024 Marshall talk contribs created page Evolution level (Redirected page to Migration level) Tag: New redirect
- 16:24, 20 February 2024 Marshall talk contribs created page EVOLUTION ERROR (https://tenebrax.bandcamp.com/track/evolution-error is quite good actually)
- 13:37, 19 February 2024 Marshall talk contribs created page File:APL64.gif (APL64)
- 13:37, 19 February 2024 Marshall talk contribs uploaded File:APL64.gif (APL64)
- 13:31, 19 February 2024 Marshall talk contribs created page File:APL+Win.gif ({{Non-free logo|APL+Win}})
- 13:31, 19 February 2024 Marshall talk contribs uploaded File:APL+Win.gif ({{Non-free logo|APL+Win}})
- 02:55, 18 February 2024 Marshall talk contribs created page Kx Systems (Created page with "'''KX''' is the vendor for the wikipedia:kdb+ time-series database and associated programming language Q, and developer of K from K1 to K4 (K4 remains accessible but its use is discouraged). Founded in 1993 by Arthur Whitney and Janet Lustgarten, it is fully owned by finance technology firm FD Technologies (formerly First Derivatives) since 2018. Whitney began work on K after leaving wikipedia:Morgan Stanley where he had developed A+. Having de...")
- 00:21, 18 February 2024 Marshall talk contribs created page VS APL (Created page with "{{Infobox array language | array model = flat without boxes | index origin = <syntaxhighlight lang=apl inline>⎕IO</syntaxhighlight>0 or 1 | function styles = defined function | numeric types = floats (64-bit HFP) | unicode support = no | released = 1976 | developer = IBM | implementation language = wik...")
- 09:27, 15 February 2024 RubenVerg talk contribs created page Comparison of APL dialects (Create Comparison of APL dialects page)
- 03:59, 15 February 2024 User account TabbyTranspose talk contribs was created
- 16:46, 14 February 2024 Marshall talk contribs created page Soliton Associates (Redirected page to I.P. Sharp Associates#Soliton Incorporated) Tag: New redirect
- 16:44, 14 February 2024 Marshall talk contribs created page Scientific Time Sharing Corporation (Redirected page to STSC) Tag: New redirect
- 16:44, 14 February 2024 Marshall talk contribs created page Category:STSC employees (Created page with "Employees of Scientific Time Sharing Corporation. Category:People")
- 16:39, 14 February 2024 Marshall talk contribs created page STSC (Created page with "'''Scientific Time Sharing Corporation''' ('''STSC'''), later '''Manugistics Group''', was the developer of APL*PLUS and NARS. Founded in 1969, the company initially developed APL*PLUS together with I.P. Sharp Associates (IPSA), and offered time sharing service to the United States while IPSA sold to Canada. The products were later split, with IPSA renaming its version to SHARP APL. STSC's APL business was sold to form APL2000 in 1995, and is now...")
- 09:48, 14 February 2024 Adám Brudzewsky talk contribs created page Comment (Created page with "{| class=vertical-navbox style="float:right; font-size:500%; margin:0 1ex;" |<code><nowiki>⍝</nowiki></code> |} APL allows a '''comment''' at the end of a line, separating (optional) code on the left from comments on the right using the lamp glyph <syntaxhighlight lang=apl inline>⍝</syntaxhighlight>, thus forming a line comment: <syntaxhighlight lang=apl> 2+3 ⍝ An example of addition 5 </syntaxh...")
- 19:27, 12 February 2024 Marshall talk contribs created page Timeline of array programming corporations (Created page with "This page shows the history of businesses strongly tied to APL or other array language implementation. Many other commercial vendors have implemented APL at some point. == By dialect == Here families of dialects are grouped together: IBM APL includes APL0, APL.SV, and others; APL*PLUS includes APL+Win and APL64; and SHARP APL includes SAX. Entries in parentheses indicate a change in ownership of the array language developer. Those ma...")
- 00:04, 8 February 2024 User account Bear8642 talk contribs was created
