indicator function

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{l|en|A [[function]] which is equal to 1 for all [[point]]s 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.}} {{C|en|Functions}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.