Function (mathematics)

In mathematics, a function is a relation between sets that associates to every element of a first set exactly one element of the second set. Typical examples

In mathematics, a function is a relation between sets that associates to every element of a first set exactly one element of the second set. Typical examples

List of mathematical functions

In mathematics, some functions or groups of functions are important enough to deserve their own names. This is a listing of articles which explain some

In mathematics, some functions or groups of functions are important enough to deserve their own names. This is a listing of articles which explain some

Membership function (mathematics)

in mathematics. One application of membership functions is as capacities in decision theory. In decision theory, a capacity is defined as a function, ν

in mathematics. One application of membership functions is as capacities in decision theory. In decision theory, a capacity is defined as a function, ν

Partial function

In mathematics, a partial function from X to Y (sometimes written as f : X ↛ Y, f: X ⇸ Y, or f: X ↪ Y)[citation needed] is a function f: X′ → Y, for some

In mathematics, a partial function from X to Y (sometimes written as f : X ↛ Y, f: X ⇸ Y, or f: X ↪ Y)[citation needed] is a function f: X′ → Y, for some

Surjective function

In mathematics, a function f from a set X to a set Y is surjective (or onto), or a surjection, if for every element y in the codomain Y of f there is

In mathematics, a function f from a set X to a set Y is surjective (or onto), or a surjection, if for every element y in the codomain Y of f there is

Mathematics

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") includes the study of such topics as quantity (number theory), structure (algebra)

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") includes the study of such topics as quantity (number theory), structure (algebra)

Function composition

In mathematics, function composition is an operation that takes two functions f and g and produces a function h such that h(x) = g(f(x)). In this operation

In mathematics, function composition is an operation that takes two functions f and g and produces a function h such that h(x) = g(f(x)). In this operation

Bijection

In mathematics, a bijection, bijective function, or one-to-one correspondence is a function between the elements of two sets, where each element of one

In mathematics, a bijection, bijective function, or one-to-one correspondence is a function between the elements of two sets, where each element of one

Monotonic function

In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order. This concept

In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order. This concept

Domain of a function

In mathematics, the domain of definition (or simply the domain) of a function is the set of "input" or argument values for which the function is defined

In mathematics, the domain of definition (or simply the domain) of a function is the set of "input" or argument values for which the function is defined