1 Dijkstra's algorithm Consider the following graph. Let the start vertex be r, and the goal vertex be rg. Important: if a node has multiple outgoing edges, when the node is expanded the vertices adjacent to the node are processed in alphabetical order. Similarly, if multiple nodes in the OPEN queue have the same priority value, sort them by alphabetical order. A IN 5- B 2 (Ε F 7 8 3-H 1. Show how the algorithm plans a path from r, to rg. To display the various steps, follow exactly the same format used in the lecture notes (Example 4.4) and presented in class. 2. Show the tree produced by Dijkstra's algorithm at the end, together with the costs associated with each vertex.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Dijkstra's algorithm
Consider the following graph. Let the start vertex bear, and the goal vertex be rg. Important: if a
node has multiple outgoing edges, when the node is expanded the vertices adjacent to the node are
processed in alphabetical order. Similarly, if multiple nodes in the OPEN queue have the same
priority value, sort them by alphabetical order.
I.
5 B
4
2
4- E
3
2
1- F
8
Ig
3- H
1. Show how the algorithm plans a path from r, to g. To display the various steps, follow
exactly the same format used in the lecture notes (Example 4.4) and presented in class.
2. Show the tree produced by Dijkstra's algorithm at the end, together with the costs associated
with each vertex.
Transcribed Image Text:Dijkstra's algorithm Consider the following graph. Let the start vertex bear, and the goal vertex be rg. Important: if a node has multiple outgoing edges, when the node is expanded the vertices adjacent to the node are processed in alphabetical order. Similarly, if multiple nodes in the OPEN queue have the same priority value, sort them by alphabetical order. I. 5 B 4 2 4- E 3 2 1- F 8 Ig 3- H 1. Show how the algorithm plans a path from r, to g. To display the various steps, follow exactly the same format used in the lecture notes (Example 4.4) and presented in class. 2. Show the tree produced by Dijkstra's algorithm at the end, together with the costs associated with each vertex.
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