The concept of a function was formalized at the end of the 19th century in terms of set theory, and this greatly increased the possible applications of the concept. A function is often denoted by a letter …

Function是源自拉丁语“functio”（执行）的英语单词，兼具名词与动词词性，英式发音为 [ˈfʌŋkʃn]，美式发音为 [ˈfʌŋkʃn]。 其名词核心含义包括“功能”“职责”“数学函数”等，动词多指“运作”“行使职能”，复数形 …

Should the function of children's television be to entertain or to enlighten? Surely the function of the law is to protect everyone's rights. Do the lights on this cassette deck have any useful function or are …

What is a Function? A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input.

爱词霸权威在线词典,为您提供function的中文意思,function的用法讲解,function的读音,function的同义词,function的反义词,function的例句等英语服务。

Jan 13, 2026 · Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

“If a variable y is so related to a variable x that whenever a numerical value is assigned to x, there is a rule according to which a unique value of y is determined, then y is said to be a function of the …

Feb 11, 2026 · A function is a relation that uniquely associates members of one set with members of another set. More formally, a function from A to B is an object f such that every a in A is uniquely …

The simplest definition is: a function is a bunch of ordered pairs of things (in our case the things will be numbers, but they can be otherwise), with the property that the first members of the pairs are all …

Jun 14, 2024 · We also give a “working definition” of a function to help understand just what a function is. We introduce function notation and work several examples illustrating how it works. We also …