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...ween a half and one hour and features presentations mainly by employees of Dyalog, while viewers of the live stream can participate via moderated chat. Subje ...ately monthly, but is usually interrupted during holidays and after each [[Dyalog user meeting]] when instead user meeting presentations are released in week

...) introduced by [[NARS]] and included in the [[Dyalog APL]] family. On the APL Wiki, Compose is divided into its two cases, [[Beside]] when both [[operand ...arguments can be more complex than single functions.<ref>Carl M. Cheney. ''APL*PLUS Nested Arrays System'' ([[NARS]] reference manual). [[STSC]]. 1981.</r

...light lang=apl inline>r←/[3]</syntaxhighlight> cause <syntaxhighlight lang=apl inline>r</syntaxhighlight> to exhibit overloading. | <syntaxhighlight lang=apl inline>/</syntaxhighlight> ||rowspan=2| [[Replicate]] ||rowspan=2| [[Reduce

...h>h(x)=f(g(x))</math> when written as <math> h(x) = (f \circ g)(x)</math>. APL generalises this idea to [[dyadic function]]s, allowing various patterns of ...were used as operands to the [[Constant]] operator (<syntaxhighlight lang=apl inline>A⍨</syntaxhighlight>):

...2006.<ref>[[APLNow]]. [http://www.apl2000.com/productwin.php#info3 APL+Win Version 6.0]. 2006.</ref> They are also present in [[J]], where they may be used fo ...espace references, if they are used, are semantically different from older APL types. Nonetheless, it is possible to place namespace references into array

...0190910-02-ML.jpg|thumb|right|[[Boolean function|Boolean algorithm]]s at [[Dyalog '19]].]] Before joining Dyalog, Lochbaum programmed extensively in [[J]], both as a hobbyist and as a prof

<syntaxhighlight lang=apl> {{Works in|[[Dyalog APL]], [[dzaima/APL]], [[NARS2000]]}}

...wever, there have also been several significant languages that retain core APL ideas while breaking compatibility, including [[Ken Iverson|Iverson]]'s own APL dialects that emphasize backward compatibility typically apply greater caut

...tps://www.dyalog.com/blog/author/mkrom/ Author archives: Morten Kromberg]. Dyalog Blog.</ref> ...arp Associates]] (IPSA) in Oslo, Norway. There, he had unlimited access to APL timesharing. During the 1980's, he attempted multiple times to become an ac

...l inline>handrank</syntaxhighlight> on each one, then ordering with normal APL functions. == Dyalog '19 version ==

...nguage in addition to his work on components of the interpreter written in APL such as [[user command]]s. ....htm n_eis] from the [[dfns workspace]].</ref> and later working to design Dyalog's [[array notation]].

{{DISPLAYTITLE:Extended Dyalog APL}}{{Infobox array language | title = Extended Dyalog APL

...d as a major (.0) or minor (point) release, depending on whether the major version number is incremented. Major versions are more likely to introduce new feat For information about versions prior to 10.0, see [[Dyalog APL#Versions]].

| logo = [[File:Dyalog icon.png|width:]] | developer = [[Dyalog Ltd.]]

...] explains his own implementation of [[Conway's Game of Life]] in [[Dyalog APL]], where he, one step at a time, develops the following [[dfn]]: <syntaxhighlight lang=apl>

...ing vectors, such that the [[Raze]] (or equivalently <syntaxhighlight lang=apl inline>{⊃⍪/⍵}</syntaxhighlight> in [[Nested array model|nested]] APLs ...syntaxhighlight lang=apl inline>X</syntaxhighlight>, <syntaxhighlight lang=apl inline>l ≡ ≢¨P</syntaxhighlight>. Because the length vector is determi

...nstead of round parentheses <code>(⋄)</code>), and some tools for [[Dyalog APL]], where it is planned as an eventual language feature. ...of a vector. It also supports [[namespace]]s, using <syntaxhighlight lang=apl inline>name:value</syntaxhighlight> syntax in round parentheses. [[Statemen

...alog.com/viewtopic.php?f=13&t=1871 Array Notation Discussion topic] on the Dyalog Forums. This design considerations page, and if necessary the [[Array notat ...for an APL array notation:<ref>[[Adám Brudzewsky]]. Internal documents. [[Dyalog Ltd.]] 30 Jun 2017.</ref>

...20190911-02-youngAPL.jpg|thumb|right|Young APLers panel at [[#Dyalog_.2719|Dyalog '19]]]] ...approximately a week long and features presentations both by employees of Dyalog and by users of the language and other guests.