 | crossing-over "pressure" (101) |
 | fraction of instances of x in  lost because of action of operators (125) |
 | steady-state probability of occurrence of schema x under crossing-over (100) |
 | =  , symbols of the broadcast language (144) |
 | payoff or performance of structure  in environment E (4, 25) |
 | the expected payoff to schema x (under some given probability distribution P over  ) (69) |
 | the observed average performance (payoff) of a set of samples of x (69) |
 | the observed average performance of the structures in (102) |
 | the average performance (payoff) of all trials of to time T, or the average performance of trials of at time-step t (69) |
 | = df·µE(Ah(t)) (94) |
 | = df·Shµht/M, average performance of population (94) |
 | a schema (designating a subset of ); xÎX (68) |
 | schema with the jth highest observed average after N trials (77) |
 | the set of schemata defined over (68) |
 | assigns operator to structure for plans of type (RI ] (92) |
 | an adaptive plan (4, 21) |
or  | |
 | a criterion for comparing plans in the set  (26) |
or | an operator (for modifying structures), either deterministic or stochastic; wÎW (24) |
 | |
 | a particular operator (for plans of type  ) (92) |
 | the set of operators (for modifying structures) employed by an adaptive plan (3, 24) |
|
|
 | a "don't care" indicator used in the definition of schemata (68) |
 | set of all permutations of (elements of) [ ] (107) |