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Consequently the amount of variaon introduced by

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Unformatted text preview: vector: –  Example (w=0.5) Parent 1 c1 = wp1 + (1 − w ) p2 = (0.2 × 10 + 0.8 × 2, 0.2 × 8 + 0.8 × 5) = (8.4, 7.4) c 2 = wp2 + (1 − w ) p1 = (0.2 × 2 + 0.8 × 10, 0.2 × 5 + 0.8 × 8) = (3.6, 5.6) p1 8.5 8 c1 7.5 7 € 6.5 6 p2 5.5 c2 5 0 2 4 6 8 10 12 5.45 2.31 3.34 1.05 0.98 4.41 2.09 2.14 Offspring •  p1=(10,8), p2=(2,5), w=0.2 7.98 Parent 2 Arithme/c Crossover 1.45 1.25 4.48 4.93 2.2 2.74 Similarity between Parents •  Similarity between parents is the second factor that controls the amount of varia/on produced by crossover. •  As evolu/on con/nues, the popula/on becomes more homogeneous. •  Consequently, the amount of varia/on introduced by crossover diminishes over /me. •  Is this beneficial? 3 2/4/14 Crossover Characteris/cs –  11010 –  10100 –  11110 –  10000 • No maIer how you crossover, the offspring will be 1###0: • The first gene will be 1 and the last gene 0 • The gen...
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