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Please write out 1) How many 1\'s does the adjacency matrix of an undirected cyc

ID: 3573750 • Letter: P

Question

Please write out

1) How many 1's does the adjacency matrix of an undirected cycle graph Cn have?

n

2n

n2

d) n(n+1)

2) Determine whether the graphs specified by the two adjacency matrices below are isomorphic:

0 1 0 1
1 0 1 1
0 1 0 1
1 1 1 0

and

0 1 1 1
1 0 0 1
1 0 0 1
1 1 1 0

True

False

3) Cycle graph C4 is also a complete graph. (Assume undirected graphs.)

True

False

a)

n

b)

2n

c)

n2

d) n(n+1)

2) Determine whether the graphs specified by the two adjacency matrices below are isomorphic:

0 1 0 1
1 0 1 1
0 1 0 1
1 1 1 0

and

0 1 1 1
1 0 0 1
1 0 0 1
1 1 1 0

True

False

3) Cycle graph C4 is also a complete graph. (Assume undirected graphs.)

True

False

Explanation / Answer

1. 2n

2. True

3. False