Popular graph types include line graphs, bar graphs, pie charts, scatter plots and histograms. Graphs are a great way to visualize data and display statistics. For example, a bar graph or chart is used to display numerical data that is independent of one another.
Unweighted Graph s: A graph in which edges have no weights or costs associated with them. Example: A social network graph where the edges represent friendships. Complete Graphs: A graph in which each vertex is connected to every other vertex. Example: A tournament graph where every player plays against every other player.
Example: A chemical reaction graph where each vertex represents a chemical compound and each edge represents a reaction between two compounds. Dense Graph s: A graph with many edges compared to the number of vertices. Example: A social network graph where each vertex represents a person and each edge represents a friendship. 1. Finite Graphs
A simple graph with n vertices is called a complete graph if the degree of each vertex is n-1, that is, one vertex is attached with n-1 edges or the rest of the vertices in the graph. A complete graph is also called Full Graph. 8. Pseudo Graph: A graph G with a self-loop and some multiple edges is called a pseudo graph.