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Intersection of 2 sets--Beginner IDL question [message #27306] Tue, 16 October 2001 18:34
Ted Cary is currently offline  Ted Cary
Messages: 53
Registered: October 2001
Member
Is there any programming technique for finding the intersection of two sets
(arrays) of numbers without using WHERE in a loop to search the larger array
for every element in the smaller array? It seems like a very clumsy way to
find values shared by both arrays, especially with integer sets/arrays.

Thanks.

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