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Strategi Pencarian dengan Informasi (Informed Search Strategy)
Outline Best-first search Greedy best-first search A * search Heuristics Local search algorithms Hill-climbing search Local beam search Genetic algorithms
Greedy best-first search example
A * search example
Stategi Pencarian Lokal (Local Search)
Hill-climbing search Local search
Hill-climbing search Problem: depending on initial state, can get stuck in local maxima
Hill-climbing search: 8-queens problem h = number of pairs of queens that are attacking each other, either directly or indirectly h = 17 for the above state
Hill-climbing search: 8-queens problem A local minimum with h = 1
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Informed search algorithms
Informed Search CS 171/271 (Chapter 4)
Local Search and Optimization
Local Search Algorithms
Heuristic Search Methods Methods that use a heuristic function to provide specific knowledge about the problem: Heuristic Functions Hill climbing Beam.
Local Search Jim Little UBC CS 322 – CSP October 3, 2014 Textbook §4.8
CPSC 322, Lecture 14Slide 1 Local Search Computer Science cpsc322, Lecture 14 (Textbook Chpt 4.8) Oct, 5, 2012.
Local Search Algorithms Chapter 4. Outline Hill-climbing search Simulated annealing search Local beam search Genetic algorithms Ant Colony Optimization.
STRATEGI PENCARIAN DENGAN INFORMASI (INFORMED SEARCH STRATEGY)
LOCAL SEARCH AND CONTINUOUS SEARCH. Local search algorithms In many optimization problems, the path to the goal is irrelevant ; the goal state itself.
For Friday Finish chapter 5 Program 1, Milestone 1 due.
Eight queens puzzle. The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard such that none of them are able to capture.
Problem Solving by Searching
CPSC 322, Lecture 14Slide 1 Local Search Computer Science cpsc322, Lecture 14 (Textbook Chpt 4.8) February, 3, 2010.
Local search algorithms
CPSC 322, Lecture 15Slide 1 Stochastic Local Search Computer Science cpsc322, Lecture 15 (Textbook Chpt 4.8) February, 6, 2009.
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