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We have definitions, antonyms, synonyms, sentences containing Dual and more information about the word.

**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.

here you have one half of

our dual truth.

**dual** adj *1.* consisting of or

involving two parts or

components usually in pairs; "an

egg with a

double yolk"; "a

double (binary) star"; "double doors"; "dual

controls for pilot and copilot"; "duple (or double)

time consists of

two (or a

multiple of two)

beats to a measure"

*[syn: double, duple]* *2.* having more than one decidedly dissimilar aspects or qualities; "a

double (or dual)

role for an actor"; "the

office of a

clergyman is twofold;

public preaching and private influence"- r.w.emerson; "every

episode has its double and treble meaning"-frederick

harrison *[syn: double, twofold, treble, threefold]* *3.* a

grammatical number category referring to

two items or

units (as

opposed to

one item (singular) or

more than one item (plural)); "ancient

greek had the dual form but it

has merged with the plural form in

modern greek" Â Â similar words(2)Â

Â dual portedÂ

**Â dual in-line packageÂ ** (

*a.*)

Expressing, or

consisting of,

the number two;

belonging to two; as,

the dual number of nouns, etc. , in Greek.Â Â

**Adjective**1.

consisting of or

involving two parts or

components usually in pairs; "an

egg with a

double yolk"; "a

double (binary) star"; "double doors"; "dual

controls for pilot and copilot"; "duple (or double)

time consists of

two (or a

multiple of two)

beats to a measure" (synonym) double,

duple (similar) multiple2.

having more than one decidedly dissimilar aspects or qualities; "a

double (or dual)

role for an actor"; "the

office of a

clergyman is twofold;

public preaching and private influence"- R.W.Emerson; "every

episode has its double and treble meaning"-Frederick

harrison (synonym) double, twofold, treble,

threefold (similar) multiple3. a

grammatical number category referring to

two items or

units as

opposed to

one item (singular) or

more than two items (plural); "ancient

greek had the dual form but it

has merged with the plural form in

modern Greek" (similar) plural

Â laudÂ auld

every field of mathematics has a different meaning of dual. Loosely, where there is some binary symmetry of a theory, the image of what you look at normally under this symmetry is referred to as the dual of your normal things.In linear algebra for example, for anyÂ vector spaceÂ V, over aÂ field, F, the vector space ofÂ linear mapsÂ from V to F is known as the dual of V. It can be shown that if V is finite-dimensional, V and its dual areÂ isomorphicÂ (though no isomorphism between them is any more natural than any other).There is a naturalÂ embeddingÂ of any vector space in the dual of its dual:V -> V'': v -> (V': w -> wv : F)(x' is normally written as x with a horizontal bar above it). I.e. v'' is the linear map, from V' to F, which maps any w to the scalar obtained by applying w to v. In short, this double-dual mapping simply exchanges the roles of function and argument.It is conventional, when talking about vectors in V, to refer to the members of V' as covectors.(1997-03-16)

A **dual** is a pair or a grouping of two. "Dual" is also the name for many things:For several meanings of "dual" in mathematics, seeÂ duality (mathematics)In someÂ languages, in addition to the singular and plural numbers there is also aÂ dual number, which is used when exactly two people or things are meant.AÂ dual trollÂ or secondary account on aÂ message boardÂ for a number of typically neferious purposes used forÂ internet trollsA simultaneous application of a P-type and N-typeÂ fertilizerDiffusing update algorithmÂ (DUAL) is a component of theÂ routing-protocolÂ EIGRPÂ for route calculationDUAL cognitive Architecture*Dual* is a brand name forÂ HifiÂ equipment, mostly known for vinyl record players.*Dual!* is the name of anÂ animeÂ series,Â Dual! parallel trouble AdventureA person who has both an alcohol or drug problem and an emotional/psychiatric problem is said to have a dual diagnosis. To recover fully, the person needs treatment for both problems.A specialÂ DUAL tableÂ used in theÂ Oracle database.

is a thirteen episode series created in 1999 byÂ Masaki KajishimaÂ and produced byÂ AIC, both well-known for the *Tenchi Muyo!* franchise. It is licensed in the US byÂ Pioneer LDC, later known asÂ Geneon. In addition to the original run, an ova special was added to the conclude the series as a de facto "14th episode".

distributed update AlgorithmÂ