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Octave has a limited set of functions for managing sets of data, where a
set is defined as a collection unique elements.
- Function File: create_set (x)
-
Return a row vector containing the unique values in x, sorted in
ascending order. For example,
create_set ([ 1, 2; 3, 4; 4, 2 ])
=> [ 1, 2, 3, 4 ]
- Function File: union (x, y)
-
Return the set of elements that are in either of the sets x and
y. For example,
union ([ 1, 2, 4 ], [ 2, 3, 5 ])
=> [ 1, 2, 3, 4, 5 ]
- Function File: intersection (x, y)
-
Return the set of elements that are in both sets x and y.
For example,
intersection ([ 1, 2, 3 ], [ 2, 3, 5 ])
=> [ 2, 3 ]
- Function File: complement (x, y)
-
Return the elements of set y that are not in set x. For
example,
complement ([ 1, 2, 3 ], [ 2, 3, 5 ])
=> 5
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