Variable
(Redirected from Variables)
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The term Variable is relevant to several contexts, and is especially important to mathematics and computer science. Scientists and engineers will often use mathematical variables in formulae and equations, such as E = mc2; they will also have their own special uses of the term.
The term Variable can also occur in other contexts, such as entertainment.
Variable in computer science
[edit]- Variable (computer science), a symbolic name associated with a value and whose associated value may be changed
Variable in mathematics
[edit]- Variable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciences
- Propositional variable, taking the value true or false in mathematical logic
- Random 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 coin
- Complex variable, the argument or value of a function of a complex number in Complex analysis
- Fluent (mathematics), a time-varying quantity as coined by Isaac Newton in his early calculus
- State variable, used to describe the mathematical "state" of a dynamical system
- Slack variable, inserted to transform an inequality constraint in an optimization problem into an equality
- Dependent and independent variables, a variable classified according to whether or not it depends for its value on another variable of interest
- Free variables and bound variables, restricted or otherwise to a specified set of values, such as through a logical quantifier
Variable in the physical and social sciences
[edit]- Variable (research), a logical set of attributes
- Control variable, a measurable entity which is constant (controlled) and unchanged throughout the course of a scientific experiment
- Variable star, a type of astronomical star
Other kinds of variable
[edit]- "The Variable", an episode of the television series Lost
See also
[edit]- Hidden variable (disambiguation)
- Variability (disambiguation)
- Variance (disambiguation)
This disambiguation page lists articles associated with the title Variable.
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