File:Signum_function.svg · Wikimedia Commons · See Wikimedia Commons
sign function
Sign in to saveAlso known as signum function, sgn, signum
mathematical function that extracts the sign of a real number or complex number
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- Signum function
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Encyclopedic overview
Signum function
y = sgn x
Excerpted from Wikipedia’s “sign function” article, available under the CC BY-SA 4.0 licence.