Last Updated
：2025/11/28
indicator function
（ plural ）
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A function which is equal to 1 for all points in its domain which belong to a given set, and is equal to 0 for all points in the domain which do not belong to that given set.
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indicator function
The indicator function of a set A assigns the value 1 to each element of A and 0 to each element not in A.
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The indicator function of a set A assigns the value 1 to each element of A and 0 to each element not in A.
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