classA1 - EE4047 Genetic Algorithms and Their Applications...

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EE4047 Genetic Algorithms and Their Applications (40 marks) Class Exercise 1 Name:____________________________ Student I.D.:__________________ Q1. Consider a population of chromosomes in a genetic algorithm for a maximization problem with their fitness values specified as below. Chromosome No. Chromosome Fitness Value 1 01011 10 2 01101 18 3 10010 12 4 11000 15 5 01100 5 (a) List all the order-1 schemata and compute their average fitness values based on the above table. [9 marks] ****0: 3 32 3 5 15 12 = + + ****1: 14 2 18 10 = + ***0*: 3 38 3 5 15 18 = + + ***1*: 11 2 12 10 = + **0**: 3 37 3 15 12 10 = + + **1**: 2 23 2 5 18 = + *0***: 12 *1***: 12 4 5 15 10 18 = + + + 0****: 11 3 5 10 18 = + + 1****: 2 27 2 15 12 = + (b) What is the probability that chromosomes 1 and 2 are being selected when applying roulette wheel selection twice? [3 marks] Total fitness: 10+18+12+15+5=60 Select 1 and 2: 10 1 60 18 * 60 10 60 18 * 60 10 = + (c) What is the probability that chromosomes 1 and 2 are being selected if two parents are
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This note was uploaded on 05/01/2011 for the course ELECTRICAL EE5602 taught by Professor Xuequan during the Spring '11 term at City University of Hong Kong.

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classA1 - EE4047 Genetic Algorithms and Their Applications...

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