Directed Graph

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Some of graph families love to have direction. They put an arrow in every edge. These graph families are called Directed Graph .

 

An arrow in directed graph must be supported by at least one vertex.

Normally it is supported by two vertices.

 

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These tutorial is copyrighted.

Preferable reference for this tutorial is

Teknomo, Kardi. Pictorial Introduction to Graph Theory. http:\\people.revoledu.com\kardi\ tutorial\GraphTheory\