Slide 1Heuristic Search Russell and Norvig: Chapter 4 Slides adapted from: robotics.stanford.edu/~latombe/cs121/2003/home.htm Slide 2 Heuristic Search Blind search totally…

Slide 1HEURISTIC SEARCH Ivan Bratko Faculty of Computer and Information Sc. University of Ljubljana Slide 2 Best-first search Best-first: most usual form of heuristic search…

Slide 1 Artificial Intelligence Chapter 9 Heuristic Search Biointelligence Lab School of Computer Sci. & Eng. Seoul National University Slide 2 (c) 2000-2002 SNU CSE…

Slide 1 Optimality of A*(standard proof) Suppose suboptimal goal G 2 in the queue. Let n be an unexpanded node on a shortest path to optimal goal G. f(G 2 ) = g(G 2 )since…

Slide 1 A* Search Uses evaluation function f (n)= g(n) + h(n) where n is a node. – g is a cost function Total cost incurred so far from initial state at node n For 8-puzzle,…

Slide 1 A* and D* Search Kevin Tantisevi Slide 2 Outline Overview of Search Techniques A* Search D* Search Slide 3 Search in Path Planning Find a path between two locations…

Slide 1 8/29 Slide 2 Administrative.. Bouncing mails –Qle01; jmussem; rbalakr2 Send me a working email address for class list Blog posting issues Recitation session for…

Slide 1 3/3 Factoid for the day: “Most people have more than the average number of feet” & eyes & ears & noses Slide 2 A B C D G 9 1 1 1 2 Uniform Cost Search…

Slide 1 1 search CS 331/531 Dr M M Awais A* Examples: Slide 2 2 search CS 331/531 Dr M M Awais 8-Puzzle 0+41+5 1+3 3+3 3+4 3+24+15+2 5+0 2+3 2+4 2+3 f(N) = g(N) + h(N) with…

Slide 1 1 Review Best-first search uses an evaluation function f(n) to select the next node for expansion. Greedy best-first search uses f(n) = h(n). Greedy best first search…