Solving discrete mathematical problems: Thanks for knowing that the adjacency matrix of directed G is a = 0101110010. - Training Enrollment Network

Solving discrete mathematical problems: Thanks for knowing that the adjacency matrix of directed G is a = 0101110010.

( 1)

(2)?

? 3? 4? 2? 2

A*A*A=？ 1? 3? 2? four

? 3? 3? 3? 1

? 3? 4? 4? three

There are two paths from v 1 to v3, four paths of length 3 from v4 to v2, and three loops of length 3 from v 1 to itself.

(3) Strongly connected, the vertex in G can reach any other vertex.

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