Transcription of Algorithms Graph Search
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Graph Search AlgorithmsSteve Mussmann and Abi SeeShortest path ProblemsFind the shortest path from source to targetApplications: RoboticsCommercialSearch & RescueDomesticApplications: Route-PlanningApplications: Game-playingTic-tac-toeGoGraphs have nodes and many nodes are there?How many edges?GraphsGraphsWe cast real-world problems as can be undirected or can have to represent grids as graphs?Each cell is a node. Edges connect adjacent have no edgesHow to represent grids as graphs? Graph TraversalAlgorithmsGraph Traversal Algorithms These Algorithms specify an order to Search through the nodes of a Graph .
Graphs have nodes and edges. How many nodes are there? How many edges? Graphs . ... Which explored the most area before finding the target? Do A* and BFS always find the same path? Theorem: If the heuristic function is a lower bound for the ... Do Dijkstra and weighted A* ever find paths of different lengths?
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