surjection
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 ... ,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 ... ,English: I modified the image from showing a non-injective, surjective function to showing one that is neither injective nor surjective. ,In mathematics, injections, surjections and bijections are classes of functions distinguished by the manner in which arguments and images are related or ... ,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 ... ,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 ... ,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.". ,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}.
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 surjection 相關參考資料
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 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 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 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 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 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 |