Chinese 函数 Cited by user A2569875 on 08 Dec 2023 函数(Function)是數學描述對應關係的一種特殊集合;粗略地說,從集合X到集合Y的函數將Y的一個元素恰好分配給X的每個元素. 集合X稱為函數的定义域,集合Y稱為函數的到达域.
English Function (mathematics) Cited by user RDBrown on 07 Jan 2023 In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y.
English History of the function concept Cited by user Kompik on 18 Oct 2012 The mathematical concept of a function (and the name) emerged in the 17th century in connection with the development of the calculus; for example, the slope dy/dx of a…