Let A be the adjacency matrix of a graph G = (V,E). Moreover, let A' = D number of zero entries in A'. Prove that G has 1+ V connected components. A' and let æ be the (Note: For matrices A, B of size m × n, A+ B is the m × n matrix with (A + B)ij = A¡j+ Bij) (Hint (part1): start by proving what A' ; represents (to get partial points).) (Hint (part2): assume there are 1 < k <|V| connected components and prove 1 + = k.)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.3: The Gram-schmidt Process And The Qr Factorization
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Let A be the adjacency matrix of a graph G = (V, E). Moreover, let A' = ,'A' and let æ be the
number of zero entries in A'. Prove that G has 1+ connected components.
||
i=1
(Note: For matrices A, B of size m X n, A + B is the m X n matrix with (A+ B)i,j = Ai,j + Bij)
(Hint (part1): start by proving what A' ; represents (to get partial points).)
(Hint (part2): assume there are 1 < k < |V] connected components and prove 1 + = k.)
ij
V
Transcribed Image Text:Let A be the adjacency matrix of a graph G = (V, E). Moreover, let A' = ,'A' and let æ be the number of zero entries in A'. Prove that G has 1+ connected components. || i=1 (Note: For matrices A, B of size m X n, A + B is the m X n matrix with (A+ B)i,j = Ai,j + Bij) (Hint (part1): start by proving what A' ; represents (to get partial points).) (Hint (part2): assume there are 1 < k < |V] connected components and prove 1 + = k.) ij V
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