Algorithms For Dummies

 

   

  PART 3 

 Exploring the World of Graphs

Distinguishing the key attributes

Before you can draw a graph, you need to know about graph attributes. As previ-

ously mentioned, graphs consist of nodes (or vertexes) and either edges (for undi-

rected graphs) or arcs (for directed graphs). Any graph that you want to draw will 

contain these elements. However, how you represent these elements depends 

partly upon the package you choose to use. For the sake of simplicity, the book 

relies on a combination of two packages: