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

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

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...

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

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...

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

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...

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

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

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

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

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

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...

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

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...

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

In mathematics, a set is a collection of different things; the things are elements or members of the set and are typically mathematical objects: numbers...

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...

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...

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

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...

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

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

In mathematical logic, a predicate variable is a predicate letter which functions as a "placeholder" for a relation (between terms), but which has not...

By mathematical analogy, a metasyntactic variable is a word that is a variable for other words, just as in algebra letters are used as variables for...

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...

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...