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In An Introduction to Cybernetics, Ashby used set cardinality, or variety, as a measure of information. With this he formulated his Law of Requisite Variety. Mathematically, the law is a statement about how "in a two-person game the variety possible is determined by the number of possible choices open to the two players". [14]
The law of requisite variety is that a deterministic strategy for can at best limit the variety in outcomes to , and only adding variety in 's moves can reduce the variety of outcomes: "only variety can destroy variety". [1]: 207 For example, in the table above, has a strategy (shown in bold) to reduce the variety in outcomes to ...
The notion of adding more variety or states to resolve ambiguity or undecidability (also known as the decision problem) is the subject of Chaitin's metamathematical conjecture algorithmic information theory and provides a potentially rigorous theoretical basis for a general management heuristic.
It notes that self-organization is facilitated by random perturbations ("noise") that let the system explore a variety of states in its state space. This increases the chance that the system will arrive into the basin of a "strong" or "deep" attractor, from which it then quickly enters the attractor itself.
Although L. Bruce Archer's "Systematic Method for Designers" (1963–64) [56] was concerned primarily with a systematic process of designing, it also expressed a need to broaden the scope of conventional design: "Ways have had to be found to incorporate knowledge of ergonomics, cybernetics, marketing and management science into design thinking ...
The experts of Yahoo Fantasy reveal their fantasy football rankings at each position in Week 11 of the 2024 season.
Variety Content Studio’s “Notes to My Younger Self” video series produced in partnership with the American Heart Association has been nominated for a Digiday Video and TV Award. The series ...
For retirees truly unfazed by cold and who love nature and the outdoors, this pristine city has natural wonders and amenities, restaurants, and an arts scene. There's a low cost of housing and ...