## 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...