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Variable

Variable may refer to: Variable (computer science), a symbolic name associated with a value and whose associated value may be changedVariable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciencesMathematicsPropositional variable, taking the value true or false in mathematical logicRandom variable, a variable in statistics whose value depends on random events Categorical variable, taking one of a finite number of values in a statistical problem, such as the head or tail result of a tossed coinIndependent and identically distributed random variables, statistically independent and having the same probability distributionFluent (mathematics), a time-varying quantity as coined by Isaac Newton in his early calculusState variable, used to describe the mathematical "state" of a dynamical systemSlack variable, inserted to transform an inequality constraint in an optimization problem into an equalityDependent and independent variables, a variable classified according to whether or not it depends for its value on another variable of interestFree variables and bound variables, restricted or otherwise to a specified set of values, such as through a logical quantifierComplex variable, the argument or value of a function of a complex number in complex analysisPhysical and social sciencesVariable (research), a logical set of attributesControl variable, a measurable entity which is constant (controlled) and unchanged throughout the course of a scientific experimentVariable star, a type of astronomical starOther uses"The Variable", an episode of the television series LostSee alsoHidden variable (other)Variability (other)Variance (other).

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