Signum: Difference between revisions
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{{Infobox terminology | {{Infobox terminology | ||
| title = {{Icon|×}} | |||
| en = Signum, Sign, Sign of, Direction | | en = Signum, Sign, Sign of, Direction | ||
| de = Vorzeichen, Signum | | de = Vorzeichen, Signum | ||
| fr = Signe, Signum, Diréction | | fr = Signe, Signum, Diréction | ||
}} | }} | ||
'''Signum''' is a [[monadic]] [[scalar function]] which returns the [[wikipedia:Sign function|sign]] of a real or [[complex]] number. That is, it returns 0 when given an argument of 0, and otherwise returns a number with [[magnitude]] 1 given by [[Divide|dividing]] the argument by its own magnitude. | |||
== Examples == | == Examples == |