signum function

noun

The function that determines the sign of a real number, yielding −1 if negative, +1 if positive, or otherwise zero.

Meanings

nounsignum function (plural signum functions)

plural signum functions

  1. mathematicsThe function that determines the sign of a real number, yielding −1 if negative, +1 if positive, or otherwise zero.

Synonyms & antonyms

Also see

Translations

German Signumfunktion
  • Signumfunktionfunction
Hungarian előjelfüggvény
  • előjelfüggvényfunction
Russian зна́ковая фу́нкция
  • зна́ковая фу́нкция (znákovaja fúnkcija)function
Turkish işaret fonksiyonu
  • işaret fonksiyonufunction
Cite this entry
APA

signum function. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/signum%20function

MLA

“signum function.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/signum%20function. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “signum function,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/signum%20function.

Source: signum function on Wiktionary, CC BY-SA 4.0.