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Wikipedia includes a thorough treatment of [[Wikipedia:dfns|dfns]]. | Wikipedia includes a thorough treatment of [[Wikipedia:dfns|dfns]]. | ||
== Examples == | |||
<source lang=apl> | |||
{⍵*0.5} 16 ⍝ square root | |||
4 | |||
3 {⍵*÷⍺} 27 ⍝ ⍺th root | |||
3 | |||
⍝ Multiline dfn with optional left parameter | |||
root←{ | |||
⍺←2 ⍝ square root by default | |||
⍵*÷⍺ ⍝ result | |||
} | |||
</source> | |||
== External links == | == External links == | ||
* [[wikipedia:Direct function|Direct function]] | * [[wikipedia:Direct function|Direct function]] | ||
=== Tutorials === | === Tutorials === | ||
* APL Cultivation: [https://chat.stackexchange.com/rooms/52405/conversation/lesson-2-diving-into-functions-in-apl Diving Into Functions in APL] | * APL Cultivation: [https://chat.stackexchange.com/rooms/52405/conversation/lesson-2-diving-into-functions-in-apl Diving Into Functions in APL] | ||
* Mastering Dyalog: [https://www.dyalog.com/uploads/documents/MasteringDyalogAPL.pdf#page=174 page 174] | * Mastering Dyalog: [https://www.dyalog.com/uploads/documents/MasteringDyalogAPL.pdf#page=174 page 174] | ||
=== Documentation === | === Documentation === | ||
* [https://help.dyalog.com/latest/#Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Functions%20and%20Operators.htm Dyalog] | * [https://help.dyalog.com/latest/#Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Functions%20and%20Operators.htm Dyalog] | ||