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Engineering
Data Structures and Algorithms
$11. 5 6 D E h=11 h=13 A h=3 6 4 7 S 19 B h=6 F G h=9 h=11 5 12 C с h=13 H h=13

$11. 5 6 D E h=11 h=13 A h=3 6 4 7 S 19 B h=6 F G h=9 h=11 5 12 C с h=13 H h=13

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from the picture.

In Greedy Best-first search the next node to expand is?_________-

In Uniform-Cost search the next node to expand is?___________

In A* search the next node to expand is?_____________

Is the heuristic function admissable? please motivate.

Consider the search tree below. Each edge is labelled with the cost of the corresponding move, e.g. the cost to move from node S to node A is 4. The heuristic value, h, of each node is given below the node, e.g. the heuristic value of the node D is 11. D h=11 5 6 E h=13 h=3 6 4 7 F G h=9 h=11 S 19 h=6 5 12 с h=13 H h=13 Nodes S and A have already been expanded. For each search algorithm, give the one node that will be expanded next. If there are ties, select the next node in alphabetical order.
Transcribed Image Text:Consider the search tree below. Each edge is labelled with the cost of the corresponding move, e.g. the cost to move from node S to node A is 4. The heuristic value, h, of each node is given below the node, e.g. the heuristic value of the node D is 11. D h=11 5 6 E h=13 h=3 6 4 7 F G h=9 h=11 S 19 h=6 5 12 с h=13 H h=13 Nodes S and A have already been expanded. For each search algorithm, give the one node that will be expanded next. If there are ties, select the next node in alphabetical order.
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