A directed graph G has 5 vertices, numbered 1 through 5. The 5x5 matrix A is the adjacency matrix for G. The matrices A? and A³ are given below. 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 10 0 0 1 0 0 1 0 0 1 A? = 1 0 0 0 0 0 0 1 0 0 1 1 0 1 1 0 1 1 1 0 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 14E
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Question

(a)

Which vertices can reach vertex 2 by a walk of length 3?

(d)

Is (2, 2) in the transitive closure of G?

(e)

Is (5, 3) an edge in G3?

(f)

Is there a closed walk of length 3 in G?

A directed graph G has 5 vertices, numbered 1 through 5. The 5x5 matrix A is the adjacency matrix for G. The matrices A? and A3 are
given below.
0 0 0
0 0
0 0
0 1 0 0 0
1 0
0 0 1
0 0
0 1
A?
1
0 0 0 0
1
1
0 0
1
0 1
1 0
1
0 1
1
0 1
1 1 0 10
Transcribed Image Text:A directed graph G has 5 vertices, numbered 1 through 5. The 5x5 matrix A is the adjacency matrix for G. The matrices A? and A3 are given below. 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 A? 1 0 0 0 0 1 1 0 0 1 0 1 1 0 1 0 1 1 0 1 1 1 0 10
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