## Function

Of mathematics and mathematical relation. May also be referred to as **map**, **mapping**, **mathematical function** and **single-valued function**.

(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function).

This concept's ID is **@1~69335**

### Mathematics

- polynomial
A mathematical function that is the sum of a number of terms.

- transformation
(mathematics) a function that changes the position or direction of the axes of a...

- operator
(mathematics) a symbol or function representing a mathematical operation.

- expansion
A function expressed as a sum or product of terms; "the expansion of (a+b)^2 is a^2 +...

- metric
A function of a topological space that gives, for any two points in the space, a value equal...

### Also contains

- trigonometric function
Function of an angle expressed as a ratio of the length of the sides of right-angled...

- isometry
A one-to-one mapping of one metric space into another metric space that preserves the distances...

- exponential
A function in which an independent variable appears as an exponent.

- threshold function
A function that takes the value 1 if a specified function of the arguments exceeds...

- inverse function
A function obtained by expressing the dependent variable of one function as the...

- Kronecker delta
A function of two variables i and j that equals 1 when i=j and equals 0 otherwi...