Dual vs Undefined - What's the difference?

dual | undefined |


As a noun dual

is dual.

As an adjective undefined is

lacking a definition or value.

dual

English

Alternative forms

*

Adjective

(-)
  • Exhibiting duality; characterized by having two (usually equivalent) components.
  • Acting as a counterpart.
  • Double.
  • dual-headed computer
  • (grammar) Pertaining to grammatical number (as in singular and plural), referring to two of something, such as a pair of shoes, in the context of the singular', '''plural''' and in some languages, ' trial grammatical number. Modern Arabic displays a dual number, as did Homeric Greek.
  • (linear algebra)
  • (category theory)
  • Derived terms

    * duality * dualism

    Noun

    (en noun)
  • Of an item that is one of a pair, the other item in the pair.
  • (geometry) Of a regular polyhedron with V'' vertices and ''F'' faces, the regular polyhedron having ''F'' vertices and ''V faces.
  • The octahedron is the dual of the cube.
  • (grammar) dual number The grammatical number of a noun marking two of something (as in singular, dual, plural), sometimes referring to two of anything (a couple of', ' exactly two of ), or a chirality-marked pair (as in left and right, as with gloves or shoes) or in some languages as a discourse marker, "between you and me". A few languages display trial number.
  • (mathematics) Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
  • See also

    * * unal * duel

    Anagrams

    * * * ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • The result of division by zero is undefined .

    Antonyms

    * defined