Ashby's law
专有名词
英文释义
专有名词
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To control variety externally, you must be able to control even more variety internally.
— His "Law" of Requisite Variety stated that for a system to be stable, the number of states that its control mechanism is capable of attaining (its variety) must be greater than or equal to the number of states in the system being controlled.
词源
Originally formulated by the cyberneticist W. Ross Ashby in 1956.
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数据来源: Wiktionary