Evolutionary computation and Wright's equation

  title={Evolutionary computation and Wright's equation},
  author={Heinz M{\"u}hlenbein and Thilo Mahnig},
  journal={Theor. Comput. Sci.},
In this paper, Wright’s equation formulated in 1931 is proven and applied to evolutionary computation. Wright’s equation shows that evolution is doing gradient ascent in a landscape de1ned by the average 1tness of the population. The average 1tness W is de1ned in terms of marginal gene frequencies pi. Wright’s equation is only approximately valid in population genetics, but it exactly describes the behavior of our univariate marginal distribution algorithm (UMDA). We apply Wright’s equation to… CONTINUE READING


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