9.2 Crossover Operators Categorization

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Questions and Answers

What are the three main categories of crossover operators based on the arity?

  • Binary, floating-point, and integer
  • Asexual, sexual, and multi-recombination (correct)
  • Elitist, tournament, and roulette wheel
  • Single-point, two-point, and uniform

How are parents selected for crossover operations?

  • Depends on the crossover probability (correct)
  • Using elitist selection
  • Randomly
  • Based on fitness values

What is a key issue that the parent selection process should prevent?

  • Using the same individual as both parents (correct)
  • Ignoring offspring diversity
  • Biased offspring selection
  • Unequal offspring production

Which representation schemes have specialized crossover operators according to the text?

<p>Binary and floating-point (A)</p> Signup and view all the answers

What problem arises when the same individual takes part in multiple applications of the crossover operator?

<p>Fitness-proportional selection schemes are affected (B)</p> Signup and view all the answers

In the case of two offspring, which strategy can be used for offspring replacement?

<p>Replacing the worst parent (B)</p> Signup and view all the answers

What is the key difference between one-point crossover and two-point crossover?

<p>One-point crossover swaps segments of genes, two-point crossover swaps individual bits (B)</p> Signup and view all the answers

Which crossover operator allows each bit to have an equal chance of being swapped?

<p>Uniform crossover (C)</p> Signup and view all the answers

What does Algorithm 9.1 specify in the context of bitstring crossover?

<p>Generation of binary masks for bit swapping (D)</p> Signup and view all the answers

What is the purpose of the mask in the recombination process described in the text?

<p>To specify which bits of parents should be swapped (B)</p> Signup and view all the answers

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