# unary

unary
a) Consisting of or involving a single element or component.

Negation is a unary operation.

b) Of an operation, function, procedure or logic gate, taking exactly one operand, argument, parameter or input; having domain of dimension 1.
2. noun
a) The unary numeral system; the bijective base-1 numeral system.
b) Unary coding, an entropy encoding for natural numbers.

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• Unary — * Unary numeral system, the simplest numeral system to represent natural numbers * Unary operation, a kind of mathematical operator that has only one operand * Unary coding, an entropy encoding that represents a number n with n − 1 ones followed… …   Wikipedia

• unary — (adj.) 1923, from L. unus one (see ONE (Cf. one)) on model of BINARY (Cf. binary), etc …   Etymology dictionary

• unary — adjective consisting of or involving a single element or component in a unary operation in a mathematical system one element is used to yield a single result • Similar to: ↑single …   Useful english dictionary

• Unary coding — is an entropy encoding that represents a natural number, n , with n − 1 ones followed by a zero. For example 5 is represented as 11110. Some representations use n − 1 zeros followed by a one. The ones and zeros are interchangeable without loss of …   Wikipedia

• Unary numeral system — The unary numeral system is the bijective base 1 numeral system. It is the simplest numeral system to represent natural numbers: in order to represent a number N , an arbitrarily chosen symbol representing 1 is repeated N times. For example,… …   Wikipedia

• Unary language — In computational complexity theory, a unary language or tally language is a formal language (a set of strings) where all strings have the form 1 k , where 1 can be any fixed symbol. For example, the language {1, 111, 1111} is unary, as is the… …   Wikipedia

• Unary operation — In mathematics, a unary operation is an operation with only one operand, i.e. a single input. Specifically, it is a function where A is a set. In this case f is called a unary operation on A. Common notations are prefix notation (e.g. +, −, not) …   Wikipedia

• Unary function — A unary function is a function that takes one argument. In computer science, a unary operator is a subset of unary function.Many of the elementary functions are unary functions, in particular the trigonometric functions and hyperbolic function… …   Wikipedia

• unary operator — noun A symbol representing unary operation; an operator taking one operand …   Wiktionary

• unary operation — vienvietė operacija statusas T sritis automatika atitikmenys: angl. monadic operation; unary operation vok. einstellige Operation, f; monadische Operation, f; unäre Operation, f rus. операция с одним операндом, f; унарная операция, f pranc.… …   Automatikos terminų žodynas