As nouns the difference between dual and coend
is that
dual is dual while
coend is (mathematics) the dual of an end in category theory.
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
*
*
*
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coend English
Noun
( en noun)
(mathematics) The dual of an end in category theory
Anagrams
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