signum function

signum function

English

Noun

signum function (plural signum functions)

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

Hypernyms

• function

Translations

function

German: Signumfunktion f Hungarian: előjelfüggvény

Russian: зна́ковая фу́нкция f (znákovaja fúnkcija) Turkish: işaret fonksiyonu

Usage notes

The equivalent term sign function may be avoided in speech because of possible confusion with sine.