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semigroup of transformations
Let be a set. A transformation of is a function from to .
With this definition, the set of all transformations on becomes a semigroup, the full semigroupf of transformations on , denoted .
More generally, a semigroup of transformations is any subsemigroup of a full set of transformations.
With this notation it is quite easy to calculate products. For example, if , then
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new problem: Curve fitting using the Exchange Algorithm. by jeremyboden
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