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Question

Eccentricity of a vertex denoted by e(v) is defined by-

A
max{d(u,v):uϵv,uv} (where d (u,v) is the distance of vertex u and vertex v)
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B
min {d(u,v):uϵv,uv}
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C
Both 1 and 2
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D
None of these
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Solution

The correct option is A max{d(u,v):uϵv,uv} (where d (u,v) is the distance of vertex u and vertex v)

Eccentricity of a vertex denoted by e(v) is defined by max{d(u,v):uϵv,u≠v}{d(u,v):uϵv,u≠v} (where d (u,v) is the distance of vertex u and vertex v).

The maximum distance between a vertex to all other vertices is considered as the eccentricity of vertex. The distance from a particular vertex to all other vertices in the graph is taken and among those distances, the eccentricity is the highest of distances.


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