different between surjective vs codomain
surjective
English
Pronunciation
- Rhymes: -?kt?v
Adjective
surjective (not comparable)
- (mathematics) of, relating to, or being a surjection
- 1974, Thomas W. Hungerford, Algebra, Springer, page 5,
- A function is surjective (or onto) provided ; in other words,
- for each for some .
- A function is said to be bijective (or a bijection or a one-to-one correspondence) if it is both injective and surjective.
- A function is surjective (or onto) provided ; in other words,
- 2010, Tullio Ceccherini-Silberstein, Michel Coornaert, Cellular Automata and Groups, Springer, page 133,
- The Garden of Eden Theorem (Theorem 5.3.1) implies that every surjective cellular automaton with finite alphabet over an amenable group is necessarily pre-injective. In this section, we give an example of a surjective but not pre-injective cellular automaton with finite alphabet over the free group .
- 2011, Ethan D. Bloch, Proofs and Fundamentals: A First Course in Abstract Mathematics, Springer, 2nd Edition, page 156,
- This function is surjective and injective, and hence bijective.
- Synonym: onto
- 1974, Thomas W. Hungerford, Algebra, Springer, page 5,
Derived terms
Related terms
Translations
See also
- bijective
- injective
French
Pronunciation
- IPA(key): /sy?.??k.tiv/
- Homophone: surjectives
Adjective
surjective
- feminine singular of surjectif
surjective From the web:
- what surjective means
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codomain
English
Etymology
co- +? domain
Pronunciation
- (US) IPA(key): /?ko?.do??me?n/
Noun
codomain (plural codomains)
- (mathematics, mathematical analysis) The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X ? Y.
- 1994, Richard A. Holmgren, A First Course in Discrete Dynamical Systems, Springer, page 11,
- Definition 2.5. A function is onto if each element of the codomain has at least one element of the domain assigned to it. In other words, a function is onto if the range equals the codomain.
- 2006, Robert L. Causey, Logic, Sets, and Recursion, 2nd Edition, Jones & Bartlett Learning, page 192,
- Once we have described as a function from to , by convention we will call the codomain, even though other sets, of which is a subset, could have been used. […] If is an element of the codomain, then iff there is some in the domain such that maps to .
- 2017, Alan Garfinkel, Jane Shevtsov, Yina Guo, Modeling Life: The Mathematics of Biological Systems, Springer, page 12,
- For example, the codomain of consists of all real numbers. A function links each element in its domain to some element in its codomain. Each domain element is linked to exactly one codomain element.
- 1994, Richard A. Holmgren, A First Course in Discrete Dynamical Systems, Springer, page 11,
Usage notes
The codomain always contains the image of the function (the actual set of points to which points of the domain are mapped), and can be larger if the function is not surjective.
The term range is often synonymous with codomain, but can also be used as a synonym for image.
Synonyms
- (target set of a function): range
Antonyms
- (target set of a function): domain
Translations
Further reading
- Domain of a function on Wikipedia.Wikipedia
- Image (mathematics) on Wikipedia.Wikipedia
- Range (mathematics) on Wikipedia.Wikipedia
- Injective function on Wikipedia.Wikipedia
- Surjective function on Wikipedia.Wikipedia
- Bijection on Wikipedia.Wikipedia
- Codomain on Wolfram MathWorld
Anagrams
- monoacid
codomain From the web:
- what is codomain of a function
- for what domain is f(x) an onto function
- what is codomain in statistics
- what is codomain means
- what is codomain of modulus function
- what is the codomain of a matrix
- what is a co domain used for
- what does the codomain do
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