Phrase guide

indicator function

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: характеристична функция (harakteristična funkcija) — function equal to 1 on elements of a given set
  • Bulgarian: индикаторна функция (indikatorna funkcija) — function equal to 1 on elements of a given set
  • Finnish: indikaattorifunktio — function equal to 1 on elements of a given set
  • Polish: indykator — function equal to 1 on elements of a given set
  • Polish: funkcja charakterystyczna zbioru — function equal to 1 on elements of a given set
  • Polish: funkcja wskaźnikowa — function equal to 1 on elements of a given set