dual number


dual number
number having two integers

English contemporary dictionary. 2014.

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  • dual number — n. a grammatical number category referring to exactly two persons or things: distinguished by inflection, in such languages as classical Greek and Old English, from singular and plural * * * …   Universalium

  • dual number — n. a grammatical number category referring to exactly two persons or things: distinguished by inflection, in such languages as classical Greek and Old English, from singular and plural …   English World dictionary

  • Dual number — For dual grammatical number found in some languages, see Dual (grammatical number). In linear algebra, the dual numbers extend the real numbers by adjoining one new element ε with the property ε2 = 0 (ε is nilpotent). The collection of dual… …   Wikipedia

  • Dual (grammatical number) — Dual (abbreviated du) is a grammatical number that some languages use in addition to singular and plural. When a noun or pronoun appears in dual form, it is interpreted as referring to precisely two of the entities (objects or persons) identified …   Wikipedia

  • dual — [do͞o′əl, dyo͞o′əl] adj. [L dualis < duo, TWO] 1. of two 2. having or composed of two parts or kinds, like or unlike; double; twofold [a dual nature] n. Linguis. 1. DUAL NUMBER 2. a word having d …   English World dictionary

  • Dual — Du al, a. [L. dualis, fr. duo two. See {Two}.] Expressing, or consisting of, the number two; belonging to two; as, the dual number of nouns, etc., in Greek. [1913 Webster] Here you have one half of our dual truth. Tyndall. [1913 Webster] …   The Collaborative International Dictionary of English

  • number — or [num′bər] n. [ME nombre < OE < L numerus: see NOMY] 1. a symbol or word, or a group of either of these, showing how many or which one in a series: 1, 2, 10, 101 (one, two, ten, one hundred and one) are called cardinal numbers; 1st, 2d,… …   English World dictionary

  • Dual quaternion — The set of dual quaternions is an algebra that can be used to represent spatial rigid body displacements.[1] A dual quaternion is an ordered pair of quaternions  = (A, B) and therefore is constructed from eight real parameters. Because rigid… …   Wikipedia

  • dual — dually, adv. /dooh euhl, dyooh /, adj. 1. of, pertaining to, or noting two. 2. composed or consisting of two people, items, parts, etc., together; twofold; double: dual ownership; dual controls on a plane. 3. having a twofold, or double,… …   Universalium

  • dual — /ˈdjuəl / (say dyoohuhl) adjective 1. of or relating to two. 2. composed or consisting of two parts; twofold; double: dual ownership; dual controls on a plane. 3. Grammar (in some languages) designating a number category which implies two persons …   Australian English dictionary