signum function

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English[edit]

Noun[edit]

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.

Usage notes[edit]

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

Hypernyms[edit]

Translations[edit]