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(C) 2001 by Yu Hen Hu

11

Intro. ANN & Fuzzy Systems

SELECTION (FITNESS) CRITERIA

1.

Windowing:

Let v(i) = objective value of chromosome i, and c: a constant, then the fitness of chromosome i can be found as:

      f(i) = c [v(i)  v(w)]

where v(w) < v(i) for all i w.

Linear Normalization:

Rank objective values of chromosomes.  Assign the best performed chromosome with fitness value f(best). Assign remaining i-th chromosome with fitness value

      f(i) = f(best)  (i1)d

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