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recursion Twit Definition of recursion Share Definition of recursion on Facebook Digg:Definition of recursion! stumble Definition of recursion Bookmark Definition of recursion on Delicious submit Definition of recursion to reddit Bookmark Definition of recursion
noun 
  1. The act of recurring.
  2. (mathematics) The act of defining an object (usually a function) in terms of that object itself.
n! = n × (n − 1)! (for n > 0) or 1 (for n = 0) defines the factorial function using recursion.
  1. (computing) The calling of a function from within that same function.
This function uses recursion to compute factorials. The image below was generated using recursion, embedding a (former) image of this page in the image itself, then reducing this in size and embedding it in the image itself, and so on. <div style="float:right;margin:0 0 1em 1em;"></div>
Translations: 
  • Dutch: recursie
  • French: recursion
  • Spanish: recursión
  • German: Rekursion
Etymology: recursio (recurrere), running again, from prefix re-, again, + cursio, running, from cursus, perfect passive participle of currire, run, + noun of action suffix -io

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