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Complex (function): Difference between revisions
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{{Built-in|Complex|⌾}} is a [[dyadic]] [[scalar function]] which combines its arguments into a [[complex number]] having with the left argument as real part and the right argument as imaginary part. It was added to [[J]] as <source lang=j inline>j.</source> together with initial support for complex numbers, and was adopted in [[Extended Dyalog APL]] using the [[glyph]] <source lang=apl inline>⌾</source> because it was seen as a type of numerical [[ | {{Built-in|Complex|⌾}} is a [[dyadic]] [[scalar function]] which combines its arguments into a [[complex number]] having with the left argument as real part and the right argument as imaginary part. It was added to [[J]] as <source lang=j inline>j.</source> together with initial support for complex numbers, and was adopted in [[Extended Dyalog APL]] using the [[glyph]] <source lang=apl inline>⌾</source> because it was seen as a type of numerical [[Beside|composition]] (<source lang=apl inline>∘</source>) for the [[Circle|circular]] (<source lang=apl inline>○</source>) domain. Complex shares its glyph with [[Imaginary]] which is equivalent to applying Complex with a left argument of 0. | ||
The question of whether to include this function is one of [[Roger Hui]]'s 50 exercises in APL language design<ref>[[Roger Hui]]. Some Exercises in APL Language Design. Jsoftware. 2016.</ref>: | The question of whether to include this function is one of [[Roger Hui]]'s 50 exercises in APL language design<ref>[[Roger Hui]]. Some Exercises in APL Language Design. Jsoftware. 2016.</ref>: | ||
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=== Documentation === | === Documentation === | ||
* J [https://www.jsoftware.com/help/dictionary/djdot.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/jdot#dyadic NuVoc] | * J [https://www.jsoftware.com/help/dictionary/djdot.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/jdot#dyadic NuVoc] | ||
== References == | == References == | ||
<references/> | <references/> | ||
{{APL built-ins}} | {{APL built-ins}}[[Category:Primitive functions]][[Category:Scalar dyadic functions]] | ||