surjection
Informally, an injection has each output mapped to by at most one input, a surjection includes the entire possible range in the output, and a bijection has both ... ,English: I modified the image from showing a non-injective, surjective function to showing one that is neither injective nor surjective.
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 surjection 相關參考資料
Bijection, injection and surjection - Wikipedia
In mathematics, injections, surjections and bijections are classes of functions distinguished by the manner in which arguments and images are related or ... https://en.wikipedia.org Bijection, Injection, And Surjection | Brilliant Math & Science Wiki
Informally, an injection has each output mapped to by at most one input, a surjection includes the entire possible range in the output, and a bijection has both ... https://brilliant.org File:Not-Injection-Surjection.svg - 維基百科，自由的百科全書
English: I modified the image from showing a non-injective, surjective function to showing one that is neither injective nor surjective. https://zh.wikipedia.org Surjection -- from Wolfram MathWorld
Then f is said to be a surjection (or surjective map) if, for any b in B , there exists an a in A for which b=f(a) . A surjection is sometimes referred to as being "onto.". http://mathworld.wolfram.com surjection 的中文翻譯| 英漢字典
surjection A function f : A -> B is surjective or onto or a surjection if f A = B. I.e. f can return any value in B. This means that its image} is its codomain}. https://cdict.net Surjective function - Wikipedia
In mathematics, a function f from a set X to a set Y is surjective (or onto), or a surjection, if for every element y in the codomain Y of f there is at least one element ... https://en.wikipedia.org 嵌射、對射與蓋射- 維基百科，自由的百科全書 - Wikipedia
1 嵌射（one to one 或injection）; 2 蓋射（onto 或surjection）; 3 對射（bijection）. 3.1 勢. 4 例子. 4.1 對射; 4.2 嵌射、但非蓋射; 4.3 蓋射、但非嵌射; 4.4 既非嵌射也非蓋 ... https://zh.wikipedia.org 满射- 维基百科，自由的百科全书
满射或蓋射（英語：surjection、onto），或稱满射函数或映成函數，一个函数 f : X → Y -displaystyle f:X-rightarrow Y} f:X-rightarrow Y 为满射，則对于任意的陪域 Y ... https://zh.wikipedia.org |