mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function...

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, the membership function of a fuzzy set is a generalization of the indicator function for classical sets. In fuzzy logic, it represents...

C mathematical operations are a group of functions in the standard library of the C programming language implementing basic mathematical functions. All...

Handbook of Mathematical Functions may refer to: NBS Handbook of Mathematical Functions (with Formulas, Graphs, and Mathematical Tables) aka Abramowitz...

In mathematics, a surjective function (also known as surjection, or onto function /ˈɒn.tuː/) is a function f such that, for every element y of the function's...

In mathematics, a partial function f from a set X to a set Y is a function from a subset S of X (possibly the whole X itself) to Y. The subset S, that...

In mathematics, an injective function (also known as injection, or one-to-one function ) is a function f that maps distinct elements of its domain to...

normalized to one. The normalization for the potential function is the Jacobian for the appropriate mathematical space: it is 1 for ordinary probabilities, and...

achieving an aim using language Function (mathematics), a relation that associates an input to a single output Function (sociology), an activity's role...

In mathematics, the composition operator ∘ {\displaystyle \circ } takes two functions, f {\displaystyle f} and g {\displaystyle g} , and returns a new...

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

Floor and ceiling functions In mathematics, the floor function is the function that takes as input a real number x, and gives as output the greatest integer...

In mathematics, hyperbolic functions are analogues of the ordinary trigonometric functions, but defined using the hyperbola rather than the circle. Just...

In mathematics, a multivalued function, multiple-valued function, many-valued function, or multifunction, is a function that has two or more values in...

In mathematics, a piecewise function (also called a piecewise-defined function, a hybrid function, or a function defined by cases) is a function whose...

Mathematics, Form and Function, a book published in 1986 by Springer-Verlag, is a survey of the whole of mathematics, including its origins and deep structure...

In mathematical analysis, the smoothness of a function is a property measured by the number of continuous derivatives (differentiability class) it has...

In mathematics, a transcendental function is an analytic function that does not satisfy a polynomial equation whose coefficients are functions of the...

In mathematics, an argument of a function is a value provided to obtain the function's result. It is also called an independent variable. For example...

a mathematical notation defined by cis x = cos x + i sin x, where cos is the cosine function, i is the imaginary unit and sin is the sine function. x...

In mathematics, the term linear function refers to two distinct but related notions: In calculus and related areas, a linear function is a function whose...

In mathematics, the domain of a function is the set of inputs accepted by the function. It is sometimes denoted by dom ⁡ ( f ) {\displaystyle \operatorname...

of functions. In printed mathematics, the norm is to set variables and constants in an italic typeface. For example, a general quadratic function is conventionally...

traditionally known as the theory of functions of a complex variable, is the branch of mathematical analysis that investigates functions of complex numbers. It is...

In mathematics, an analytic function is a function that is locally given by a convergent power series. There exist both real analytic functions and complex...

In mathematics, an identity function, also called an identity relation, identity map or identity transformation, is a function that always returns the...

In mathematics, a codomain or set of destination of a function is a set into which all of the output of the function is constrained to fall. It is the...

In mathematics, the Weierstrass function, named after its discoverer, Karl Weierstrass, is an example of a real-valued function that is continuous everywhere...

In mathematics, sine and cosine are trigonometric functions of an angle. The sine and cosine of an acute angle are defined in the context of a right triangle:...