3/14/2024 0 Comments Math 17500. basic number theoryA telecommunication system can also be represented as a network. ![]() For instance, air networks are defined more by their nodes than by their links since links are mostly not clearly defined. But it is not true for all transportation networks. Most networks, namely road, transit, and rail networks, are defined more by their links than by nodes. Transport geography can be defined by a graph. If an arrow is not used, it means the link is bi-directional. It has a direction that is generally represented as an arrow. It denotes a location such as a city, a road intersection, or a transport terminal (stations, harbours, and airports).Įdge (Link): An edge e is a link between two nodes. Vertex (Node): A node v is an intersection point of a graph. ![]() Each object in a graph is called a node.ĭescription: A graph ‘G’ is a set of vertex, called nodes ‘v’ which are connected by edges, called links ‘e'. The length of the lines and position of the points do not matter. A graph consists of some points and lines between them. Definition: Graph is a mathematical representation of a network and it describes the relationship between lines and points.
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