定義function

The action for which a person or thing is particularly fitted or employed.

Assigned duty or activity.

A specific occupation or role: in my function as chief editor.

An official ceremony or a formal social occasion.

Something closely related to another thing and dependent on it for its existence, value, or significance: Growth is a function of nutrition.

Mathematics A variable so related to another that for each value assumed by one there is a value determined for the other.

Mathematics A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set.

Biology The physiological activity of an organ or body part.

Chemistry The characteristic behavior of a chemical compound, resulting from the presence of a specific functional group.

Computer Science A procedure within an application.

To have or perform a function; serve: functioned as ambassador.