Explanation Algorithm used: Dijkstra’s Algorithm. Consider that G is a weighted graph in which there are more than one vertices and all weights are positive. This algorithm is used to determine the distance and a shortest path from vertex S to every other vertex in the weighted graph G . P is the set of vertices with permanent labels. The predecessor of A is a vertex in P used to label A . The weight of the edge on vertices U and V is denoted by W ( U , V ) , and if there is no edge on U and V , it can be written that W ( U , V ) = ∞ . Algorithm. Step 1 (label) Assign S the label 0, and let S have no predecessor. Set P = { S } . Step 2 (Label vertices) Assign to each vertex V not in P the (perhaps temporary) label W ( S , V ) , and let V have the (perhaps temporary) predecessor S . Step 3 (enlarge P and revise labels) Repeat Step 3.1 (make another label permanent) Include in P a vertex U having the smallest label of the vertices not in P . (If there is more than one such vertex, arbitrarily choose any one of them.) Step 3.2 (revise temporary labels) For each vertex X not in P that is adjacent to U , replace the label on X with the smaller of the old label on X and the sum of the label on U and W ( U , X ) . If the label on X was changed, let U be the new (perhaps temporary) predecessor of X . Until P contain every vertex of G . Step 4 (Find distance and shortest paths) The label on a vertex Y is its distance from S . If the label on Y is infinite, then there is not path, and hence no shortest path, from S to Y . Otherwise, a shortest path from S to Y is formed by using in reverse order the vertices Y , the predecessor of Y , the predecessor of the predecessor of Y , and so forth, until S is reached. Description: Consider the given figure. Step 1: Begin with setting P = { S } and assign label 0 to S . Step 2: Assign the label W ( S , V ) and the predecessor S to every other vertex V. Therefore, W ( S , V ) = ∞ . This is in case there is no edge which joins S and V

5th Edition

ISBN: 9780134689562

Author: Dossey, John A.

Publisher: Pearson,

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Chapter 4, Problem 18SE

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The distance from S to all other vertices and the shortest path from S to A and S to B in the given graph.

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Chapter 4, Problem 17SE

Chapter 4, Problem 19SE

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Discrete Mathematics

Ch. 4.1 - In Exercises 1–4, list the set of edges and set of...Ch. 4.1 - Prob. 2E Ch. 4.1 - Prob. 3E Ch. 4.1 - Prob. 4E Ch. 4.1 - Prob. 5E Ch. 4.1 - In Exercises 5–8, draw a diagram representing the...Ch. 4.1 - Prob. 7E Ch. 4.1 - In Exercises 5–8, draw a diagram representing the...Ch. 4.1 - Prob. 9E Ch. 4.1 - In Exercises 9–14, determine whether a graph is...

Ch. 4.1 - Prob. 11E Ch. 4.1 - Prob. 12E Ch. 4.1 - Prob. 13E Ch. 4.1 - Prob. 14E Ch. 4.1 - Prob. 15E Ch. 4.1 - Prob. 16E Ch. 4.1 - Prob. 17E Ch. 4.1 - Draw the graph with ν = {1, 2, … , 10} as its set...Ch. 4.1 - Prob. 19E Ch. 4.1 - Prob. 20E Ch. 4.1 - Prob. 21E Ch. 4.1 - Show that there are an even number of vertices...Ch. 4.1 - Prob. 23E Ch. 4.1 - Prob. 24E Ch. 4.1 - Prob. 25E Ch. 4.1 - Prob. 26E Ch. 4.1 - Prob. 27E Ch. 4.1 - In Exercises 26–29, find the adjacency matrix and...Ch. 4.1 - Prob. 29E Ch. 4.1 - In Exercises 30 and 31, construct the graph for...Ch. 4.1 - Prob. 31E Ch. 4.1 - In Exercises 32 and 33, construct the graph for...Ch. 4.1 - Prob. 33E Ch. 4.1 - Prob. 34E Ch. 4.1 - Prob. 35E Ch. 4.1 - In Exercises 35-37, can each matrix be an...Ch. 4.1 - Prob. 37E Ch. 4.1 - Prob. 38E Ch. 4.1 - Prob. 39E Ch. 4.1 - Prob. 40E Ch. 4.1 - Prob. 41E Ch. 4.1 - Are the pairs of graphs in (a), (b), and (c)...Ch. 4.1 - Are the pairs of graphs in (a), (b), and (c)...Ch. 4.1 - Draw all the non isomorphic graphs with three...Ch. 4.1 - Prob. 45E Ch. 4.1 - Draw all the nonisomorphic graphs with five...Ch. 4.1 - Prob. 47E Ch. 4.1 - Prob. 48E Ch. 4.1 - Prob. 49E Ch. 4.1 - Suppose a graph has n vertices, each with degree...Ch. 4.1 - Prob. 51E Ch. 4.1 - Prob. 52E Ch. 4.1 - Suppose Mr. and Mrs. Lewis attended a bridge party...Ch. 4.1 - Prove that if a graph has at least two vertices,...Ch. 4.2 - In Exercises 1–4, determine whether the multigraph...Ch. 4.2 - Prob. 2E Ch. 4.2 - Prob. 3E Ch. 4.2 - Prob. 4E Ch. 4.2 - Prob. 5E Ch. 4.2 - Prob. 6E Ch. 4.2 - Prob. 7E Ch. 4.2 - Prob. 8E Ch. 4.2 - Prob. 9E Ch. 4.2 - In Exercises 9 and 10, perform the following...Ch. 4.2 - Prob. 11E Ch. 4.2 - Prob. 12E Ch. 4.2 - Prob. 13E Ch. 4.2 - Prob. 14E Ch. 4.2 - Prob. 15E Ch. 4.2 - Prob. 16E Ch. 4.2 - Prob. 17E Ch. 4.2 - In Exercises 18–23, determine whether the...Ch. 4.2 - Prob. 19E Ch. 4.2 - In Exercises 18–23, determine whether the...Ch. 4.2 - Prob. 21E Ch. 4.2 - In Exercises 18–23, determine whether the...Ch. 4.2 - Prob. 23E Ch. 4.2 - In Exercises 24–29, determine whether the...Ch. 4.2 - Prob. 25E Ch. 4.2 - Prob. 26E Ch. 4.2 - Prob. 27E Ch. 4.2 - Prob. 28E Ch. 4.2 - Prob. 29E Ch. 4.2 - Prob. 30E Ch. 4.2 - Prob. 31E Ch. 4.2 - Prob. 32E Ch. 4.2 - Prob. 33E Ch. 4.2 - Prob. 34E Ch. 4.2 - Prob. 35E Ch. 4.2 - Prob. 36E Ch. 4.2 - Prob. 37E Ch. 4.2 - An old childhood game asks children to trace a...Ch. 4.2 - Prob. 39E Ch. 4.2 - In 1859, Sir William Rowan Hamilton, a famous...Ch. 4.2 - Give examples of connected graphs satisfying each...Ch. 4.2 - Prob. 42E Ch. 4.2 - Prob. 43E Ch. 4.2 - Prob. 44E Ch. 4.2 - Prob. 45E Ch. 4.2 - Prob. 46E Ch. 4.2 - Prob. 47E Ch. 4.2 - Prob. 48E Ch. 4.2 - Prob. 49E Ch. 4.2 - Are the following two graphs isomorphic? Justify...Ch. 4.2 - Prob. 51E Ch. 4.2 - A bipartite graph is a graph in which the vertices...Ch. 4.2 - Prob. 53E Ch. 4.2 - Prob. 54E Ch. 4.2 - Prob. 55E Ch. 4.2 - Prob. 56E Ch. 4.2 - Prob. 57E Ch. 4.2 - Prob. 58E Ch. 4.2 - Prob. 59E Ch. 4.2 - Prob. 60E Ch. 4.2 - Prob. 61E Ch. 4.2 - Prob. 62E Ch. 4.2 - Prob. 64E Ch. 4.2 - Prob. 65E Ch. 4.3 - In Exercises 1–4, use the breadth-first search...Ch. 4.3 - In Exercises 1–4, use the breadth-first search...Ch. 4.3 - Prob. 3E Ch. 4.3 - In Exercises 1–4, use the breadth-first search...Ch. 4.3 - In Exercises 5–8, determine the distance from S to...Ch. 4.3 - In Exercises 5–8, determine the distance from S to...Ch. 4.3 - Prob. 7E Ch. 4.3 - Prob. 8E Ch. 4.3 - Prob. 9E Ch. 4.3 - Prob. 10E Ch. 4.3 - Prob. 11E Ch. 4.3 - Prob. 12E Ch. 4.3 - Prob. 13E Ch. 4.3 - Prob. 14E Ch. 4.3 - For the following graph, determine the number of...Ch. 4.3 - Prob. 16E Ch. 4.3 - Prob. 17E Ch. 4.3 - Prob. 18E Ch. 4.3 - Prob. 19E Ch. 4.3 - Prob. 20E Ch. 4.3 - Prob. 21E Ch. 4.3 - Prob. 22E Ch. 4.3 - Prob. 23E Ch. 4.4 - In Exercises 1–8, find the chromatic number of the...Ch. 4.4 - Prob. 2E Ch. 4.4 - Prob. 3E Ch. 4.4 - Prob. 4E Ch. 4.4 - Prob. 5E Ch. 4.4 - Prob. 6E Ch. 4.4 - Prob. 7E Ch. 4.4 - Prob. 8E Ch. 4.4 - Prob. 9E Ch. 4.4 - Prob. 10E Ch. 4.4 - Prob. 11E Ch. 4.4 - It might be supposed that if a graph has a large...Ch. 4.4 - Prob. 13E Ch. 4.4 - Prob. 15E Ch. 4.4 - Prob. 16E Ch. 4.4 - Prob. 17E Ch. 4.4 - Prob. 18E Ch. 4.4 - Prob. 19E Ch. 4.4 - Suppose is a graph with three vertices. How many...Ch. 4.4 - Prob. 21E Ch. 4.4 - Prob. 22E Ch. 4.4 - Prob. 23E Ch. 4.4 - Prob. 24E Ch. 4.4 - Prob. 25E Ch. 4.4 - Prob. 26E Ch. 4.4 - Prob. 27E Ch. 4.4 - Prob. 28E Ch. 4.4 - Prob. 29E Ch. 4.4 - Prob. 30E Ch. 4.4 - Prob. 31E Ch. 4.4 - Prob. 32E Ch. 4.4 - Prob. 33E Ch. 4.4 - Show that it is possible to assign one of the...Ch. 4.4 - Prob. 35E Ch. 4.4 - Prove Theorem 4.9 by mathematical induction on the...Ch. 4.4 - Suppose that each vertex of a graph is such that...Ch. 4.5 - In Exercises 1–4, list the vertices and directed...Ch. 4.5 - Prob. 2E Ch. 4.5 - Prob. 3E Ch. 4.5 - Prob. 4E Ch. 4.5 - Prob. 5E Ch. 4.5 - Prob. 6E Ch. 4.5 - Prob. 7E Ch. 4.5 - Prob. 8E Ch. 4.5 - Prob. 9E Ch. 4.5 - Prob. 10E Ch. 4.5 - Prob. 11E Ch. 4.5 - Prob. 12E Ch. 4.5 - Prob. 13E Ch. 4.5 - Prob. 14E Ch. 4.5 - Prob. 15E Ch. 4.5 - Prob. 16E Ch. 4.5 - Prob. 17E Ch. 4.5 - Prob. 18E Ch. 4.5 - Prob. 19E Ch. 4.5 - Prob. 20E Ch. 4.5 - Prob. 21E Ch. 4.5 - Prob. 22E Ch. 4.5 - Prob. 23E Ch. 4.5 - Prob. 24E Ch. 4.5 - Prob. 25E Ch. 4.5 - Prob. 26E Ch. 4.5 - Prob. 27E Ch. 4.5 - Prob. 28E Ch. 4.5 - Prob. 29E Ch. 4.5 - Prob. 30E Ch. 4.5 - Prob. 31E Ch. 4.5 - Prob. 32E Ch. 4.5 - Prob. 33E Ch. 4.5 - Prob. 34E Ch. 4.5 - Prob. 35E Ch. 4.5 - Prob. 36E Ch. 4.5 - Prob. 37E Ch. 4.5 - Prob. 39E Ch. 4.5 - Prob. 40E Ch. 4.5 - Prob. 41E Ch. 4.5 - Prob. 42E Ch. 4.5 - Prob. 43E Ch. 4.5 - Prob. 44E Ch. 4.5 - Prob. 45E Ch. 4.5 - Prob. 46E Ch. 4.5 - Prob. 47E Ch. 4.5 - Prob. 48E Ch. 4.5 - Prob. 49E Ch. 4.5 - Prob. 51E Ch. 4.5 - Prob. 52E Ch. 4.5 - Prob. 53E Ch. 4.5 - Prob. 54E Ch. 4.5 - Prob. 55E Ch. 4.5 - Prob. 56E Ch. 4.5 - Prob. 57E Ch. 4.5 - Prob. 58E Ch. 4.5 - Prob. 59E Ch. 4.5 - Prob. 60E Ch. 4.5 - Write a breadth-first search algorithm for...Ch. 4.5 - Prob. 62E Ch. 4.5 - Prob. 63E Ch. 4.5 - Prob. 64E Ch. 4.5 - Prob. 65E Ch. 4.5 - Prob. 66E Ch. 4.5 - Prob. 67E Ch. 4.5 - In Exercises 67–70, determine the distance from S...Ch. 4.5 - In Exercises 67–70, determine the distance from S...Ch. 4.5 - Prob. 70E Ch. 4.5 - Prob. 71E Ch. 4.5 - Prob. 72E Ch. 4.5 - Prob. 73E Ch. 4.5 - Prob. 74E Ch. 4.5 - Prob. 75E Ch. 4.5 - Determine whether the following pairs of directed...Ch. 4.5 - Determine whether the following pairs of directed...Ch. 4.5 - Prob. 78E Ch. 4.5 - Prob. 79E Ch. 4.5 - Prob. 80E Ch. 4.5 - Prob. 82E Ch. 4.5 - Prob. 83E Ch. 4.5 - Prob. 84E Ch. 4 - Prob. 1SE Ch. 4 - Prob. 2SE Ch. 4 - Prob. 3SE Ch. 4 - Prob. 4SE Ch. 4 - Prob. 5SE Ch. 4 - Prob. 6SE Ch. 4 - Prob. 7SE Ch. 4 - Prob. 8SE Ch. 4 - Prob. 9SE Ch. 4 - Prob. 10SE Ch. 4 - Prob. 11SE Ch. 4 - Prob. 12SE Ch. 4 - Prob. 13SE Ch. 4 - Prob. 14SE Ch. 4 - Is the property “is connected” a graph isomorphism...Ch. 4 - Prob. 16SE Ch. 4 - Prob. 17SE Ch. 4 - Prob. 18SE Ch. 4 - Prob. 19SE Ch. 4 - Prob. 20SE Ch. 4 - Prob. 21SE Ch. 4 - Prob. 22SE Ch. 4 - Prob. 23SE Ch. 4 - Prob. 24SE Ch. 4 - Prob. 25SE Ch. 4 - Prob. 26SE Ch. 4 - Prob. 28SE Ch. 4 - Prob. 29SE Ch. 4 - Prob. 30SE Ch. 4 - Prob. 31SE Ch. 4 - Prob. 32SE Ch. 4 - Prob. 34SE Ch. 4 - Prob. 35SE Ch. 4 - Prob. 36SE Ch. 4 - Prob. 37SE Ch. 4 - Prob. 38SE Ch. 4 - Prob. 39SE Ch. 4 - Prob. 40SE Ch. 4 - Prob. 6CP Ch. 4 - Prob. 9CP Ch. 4 - Prob. 14CP

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