Recursion: Difference between revisions
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'''Recursion''' in computer science is defined as a function that includes itself as part of its definition but also includes an exit condition. Put simply, '''recursion''' is a function that calls itself, until it doesn't. In [[LabVIEW]] this means a [[VI]] that can calls itself as a [[SubVI]] where the [[SubVI]] call is in a [[Functions Palette/Programming/Structures/Case Structure|Case Structure]] so that a determination can be made whether the [[VI]] needs to call itself again or be done and return. | |||
== Configuration == | |||
To make a [[VI]] allowed to call itself as a [[SubVI]] it must be set to [[Reentrancy|reentrant]]. To set a [[VI]] to [[Reentrancy|reentrant]]: | |||
# Open the [[VI Properties dialog]] | |||
# Click on the '''Category->Execution''' | |||
# Under '''Reentrancy''' radio buttons, select the '''Shared clone reentrant execution''' | |||
# Then click '''OK''' | |||
The [[VI]] is now set to [[Reentrancy|reentrant]]. To use, simply drag the [[VI Icon]] to the VI's [[Block Diagram]]. | |||
== Uses == | |||
=== Mathematics === | |||
=== Search Tree === | |||
=== Hierarchal Data === | |||
== See Also == | |||
* [[Recursion redirect|Recursion]] | |||
[[Category:Intermediate Design Patterns]] | |||
Latest revision as of 21:07, 16 June 2020
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Recursion in computer science is defined as a function that includes itself as part of its definition but also includes an exit condition. Put simply, recursion is a function that calls itself, until it doesn't. In LabVIEW this means a VI that can calls itself as a SubVI where the SubVI call is in a Case Structure so that a determination can be made whether the VI needs to call itself again or be done and return.
Configuration
To make a VI allowed to call itself as a SubVI it must be set to reentrant. To set a VI to reentrant:
- Open the VI Properties dialog
- Click on the Category->Execution
- Under Reentrancy radio buttons, select the Shared clone reentrant execution
- Then click OK
The VI is now set to reentrant. To use, simply drag the VI Icon to the VI's Block Diagram.