10. Draw a graph with numbered and directed edges (and numbered nodes) whose inci- dence matrix is A = 1 0 0 10 1 0 1 0 0 0 -1 1 Is this graph a tree? (Are the rows of A independent?) Show that removing the last edge produces a spanning tree. Then the remaining rows are a basis for ?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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10. Draw a graph with numbered and directed edges (and numbered nodes) whose inci-
dence matrix is
A =
=
-1
1 0 0
-1 0
1 0
0 1
0
−1
0 0 -1 1
Is this graph a tree? (Are the rows of A independent?) Show that removing the last
edge produces a spanning tree. Then the remaining rows are a basis for ?
Transcribed Image Text:10. Draw a graph with numbered and directed edges (and numbered nodes) whose inci- dence matrix is A = = -1 1 0 0 -1 0 1 0 0 1 0 −1 0 0 -1 1 Is this graph a tree? (Are the rows of A independent?) Show that removing the last edge produces a spanning tree. Then the remaining rows are a basis for ?
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