Unary function
Function that takes one argument
In mathematics, a unary function is a function that takes one argument. A unary operation is a special kind of unary function, whose codomain coincides with its domain.
01Examples
The successor function is a unary function. More specifically, it is a unary operation on the set of natural numbers.
Many of the elementary functions are unary functions, including the trigonometric functions, logarithm with a specified base, exponentiation to a particular power or base, and hyperbolic functions.
Sources and credits
This article is adapted from the Wikipedia article “Unary function”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
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