What does "indicator function" mean?

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.

Indicator function

Q: What is a synonym for "indicator function"?

Common synonyms include: characteristic function, iverson bracket, kronecker, membership notation.

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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.

Synonyms

All synonyms

characteristic function iverson bracket kronecker membership notation

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