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signum function. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Noun
signum function (plural signum functions)
- (mathematics) The function that determines the sign of a real number, yielding -1 if negative, +1 if positive, or otherwise zero.
Usage notes
The equivalent term sign function may be avoided in speech because of possible confusion with sine.
Hypernyms
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