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Intersection: Difference between revisions
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(Created page with "{{Built-in|Intersection|∩}} is a dyadic set function which computes the set intersection of the two vector argument|arg...") |
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</source> | </source> | ||
== Extension == | |||
Some dialects allow Intersection to work on [[major cell]]s: | |||
[https://tio.run/##SyzI0U2pTMzJT9dNrShJzUtJTfn/P@JR2wQTBaNHvVvUHR2dnJyBQJ0rEihojBB0dFTnetQ3FSgY8ahjZeT//wA Try it online!]<source lang=apl> | |||
X←4 2⍴'AABBCCCC' | |||
Y←3 2⍴'AABBAA' | |||
X∩Y | |||
AA | |||
BB | |||
</source>{{Works in|[[Extended Dyalog APL]]}} | |||
Others can easily define such a function: | |||
[https://tio.run/##SyzI0U2pTMzJT///P@JR2wQTBaNHvVvUHR2dnJyBQJ0rEihojBB0dFTn8swrSS0qTk0uyczPA8pWP@rd9ahn/6PeFRqPOhc96t2q@ahzKZB61LsZKFPL9ahvKlBVhAKyNoXI//8B Try it online!]<source lang=apl> | |||
X←4 2⍴'AABBCCCC' | |||
Y←3 2⍴'AABBAA' | |||
Intersection←{⍺⌿⍨(≢⍵)≥⍵⍳⍺} | |||
X Intersection Y | |||
AA | |||
BB | |||
</source>{{Works in|[[Dyalog APL]]}} | |||
== External Links == | == External Links == | ||