Homework 4 - Chapters 6 and 7
Due: Monday February 18, 2008 at 5pm
Each question is worth 2 points.
- What is a recurrent network? Describe how its learning differs from a
feedforward network.
- How do Hopfield networks and bidirectional associative memory differ?
- Show all steps of recalling the associated pattern for X = [ -1 1 -1]
in the Hopfield network presented on pages 190-192.
- How do self-organized maps differ from feedforward and recurrent
neural networks?
- What are the differences between Hebbian learning and competitive
learning?
- Why is the forgetting factor included in the generalized activity
product rule for Hebbian learning?
- 7.1: Why are genetic algorithms called genetic? Who is the 'father'
of genetic algorithms?
- Describe the main steps of a genetic algorithm.
- Show the result of a single-point crossover in the middle of the bit
strings 0011 1100 and 1111 0000.
- What is the purpose of the mutation operator? Is it always beneficial?
Explain why or why not.