In mathematics, a variable (from Latin variabilis 'changeable') is a symbol, typically a letter, that refers to an unspecified mathematical object. One...

In mathematics and statistics, a quantitative variable may be continuous or discrete. If it can take on two real values and all the values between them...

mathematical function), on the values of other variables. Independent variables, on the other hand, are not seen as depending on any other variable in...

Conjugate variables are pairs of variables mathematically defined in such a way that they become Fourier transform duals, or more generally are related...

A random variable (also called random quantity, aleatory variable, or stochastic variable) is a mathematical formalization of a quantity or object which...

variables in mathematics. The latter is abstract, having no reference to a physical object such as storage location. The value of a computing variable is not...

elementary mathematics, this is most often a number – for example, a real number such as π or an integer such as 42. The value of a variable or a constant...

In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a variable may be said to be either...

Foundation of Mathematics. Vol. 73. North Holland.; here: Sect.1.3 Sobolev, S.K. (originator). Free variable. Encyclopedia of Mathematics. Springer. ISBN 1402006098...

complex variable, is the branch of mathematical analysis that investigates functions of complex numbers. It is helpful in many branches of mathematics, including...

A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout...

In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant...

refer to: Variable (computer science), a symbolic name associated with a value and whose associated value may be changed Variable (mathematics), a symbol...

In logic, a metavariable (also metalinguistic variable or syntactical variable) is a symbol or symbol string which belongs to a metalanguage and stands...

narrower context could be regarded as a variable in a broader context. Some values occur frequently in mathematics and are conventionally denoted by a specific...

In mathematical logic, a propositional variable (also called a sentence letter, sentential variable, or sentential letter) is an input variable (that can...

reasoning, in particular in mathematical logic, computer algebra, and automated theorem proving, a fresh variable is a variable that did not occur in the...

lower-case letters were used for variables and constants. Letters are used for representing many other types of mathematical object. As the number of these...

A state variable is one of the set of variables that are used to describe the mathematical "state" of a dynamical system. Intuitively, the state of a system...

complex variable") is the branch of mathematical analysis that investigates functions of complex numbers. It is useful in many branches of mathematics, including...

variables and to functions of a complex variable. In the second half of the 19th century, the mathematically rigorous definition of a function was introduced...

In mathematics, a change of variables is a basic technique used to simplify problems in which the original variables are replaced with functions of other...

In mathematics, an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. The word...

mathematical model is an abstract description of a concrete system using mathematical concepts and language. The process of developing a mathematical...

modern logic, an axiom is a premise or starting point for reasoning. In mathematics, an axiom may be a "logical axiom" or a "non-logical axiom". Logical...

In mathematics, a coefficient is a multiplicative factor involved in some term of a polynomial, a series, or any other type of expression. It may be a...

formalized in mathematics: through logic or through set theory. In logic, equality is a primitive predicate (a statement that may have free variables) with the...

limit. It is the "mathematical backbone" for dealing with problems where variables change with time or another reference variable. Infinitesimal calculus...

subareas shared by other areas of mathematics which include: Multivariable calculus Functional analysis, where variables represent varying functions Integration...

etc.). Attributes are closely related to variables. A variable is a logical set of attributes. Variables can "vary" – for example, be high or low. How...