\ɪvəlˈuːʃən stɹˈatəd͡ʒi], \ɪvəlˈuːʃən stɹˈatədʒi], \ɪ_v_ə_l_ˈuː_ʃ_ə_n s_t_ɹ_ˈa_t_ə_dʒ_i]\
Definitions of EVOLUTION STRATEGY
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(ES) A kind of evolutionary algorithm where individuals(potential solutions) are encoded by a set of real-valued"object variables" (the individual's "genome"). For eachobject variable an individual also has a "strategy variable"which determines the degree of mutation to be applied to thecorresponding object variable. The strategy variables alsomutate, allowing the rate of mutation of the object variablesto vary.An ES is characterised by the population size, thenumber of offspring produced in each generation and whetherthe new population is selected from parents and offspring oronly from the offspring.ES were invented in 1963 by Ingo Rechenberg, Hans-PaulSchwefel at the Technical University of Berlin (TUB) whilesearching for the optimal shapes of bodies in a flow.
By Denis Howe
Word of the day
- in which atheromatous excised cutting or rotating catheter. differs from balloon and laser angioplasty procedures enlarge vessels dilation but frequently do not remove much plaque. If the plaque is removed by surgical excision under general anesthesia rather than an endovascular procedure through a catheter, it called ENDARTERECTOMY.