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Variety (cybernetics)
In cybernetics, the term variety denotes the total number of distinguishable elements of a set, most often the set of states, inputs, or outputs of a finite-state machine or transformation, or the binary logarithm of the same quantity.[1] Variety is used in cybernetics as an information theory that is easily related to deterministic finite automata, and less formally as a conceptual tool for thinking about organization, regulation, and stability. It is an early theory of complexity in automata, complex systems,[1]: 6 and operations research.[2]
- ^ a b Ashby, William Ross (1956). An Introduction to Cybernetics.
- ^ Ashby, William Ross (1958). "Requisite Variety and its Implications for the Control of Complex Systems" (PDF). Cybernetica. 1 (2).
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