a) Define a simple graph, a multigraph, a pseudograph, a directed graph, and a directed multigraph.
b) Use an example to show how each of the types of graph in part (a) can be used in modeling. For example, explain how to model different aspects of a computer network or airline routes.
(a)
Define a simple graph, a multigraph, a pseudograph,a directed graph, and a directed multigraph.
Explanation of Solution
Calculation:
Simple graph: an undirected graph with no multiple edge or loops.
Multipgraph: an undirected graph that may contain multiple edges but no loops.
Pseudograph: an undirected graph that may contain multiple edges and loops.
Directed graph: a set of vertices together with a set of directed edges each of which is associated with an ordered pair of vertices.
Directed multigraph: a graph with directed edges that may contain multiple directed edges.
(b)
Use an example to showhoweach of the types of graphin part (a) can be used in modeling.
Explanation of Solution
Calculation:
Simple graph: a friends network (i.e. Facebook, Twitter)
Multigraph: bridges between islands (i.e. the bridges of Knigserg); since youmay have multiple bridges 2 islands but not a single bridge to the same island.
Pseudograph: websites and their hyperlinks, where a website with a hyperlink to itself would be a loop.
For the following graph applications we take edge as distances and the vertices as places with the lines being links between them:
Directed graph: an airline route.
Directed multigraph: a road network.
Want to see more full solutions like this?
Chapter 10 Solutions
Discrete Mathematics and Its Applications ( 8th International Edition ) ISBN:9781260091991
Additional Math Textbook Solutions
Elementary Statistics (13th Edition)
Elementary Statistics: A Step By Step Approach
College Algebra (7th Edition)
Graphical Approach To College Algebra
Intermediate Algebra (13th Edition)
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
- how do you make a dotplot graph?arrow_forwardThis is a Graph Theory problem. Which trees are planar? Explain whyarrow_forwardFor each course at a university, there may be one or more other courses that are its prerequisites. How can a graph be used to model these courses and which courses are prerequisites for which courses? Should edges be directed or undirected? Looking at the graph model, how can we find courses that do not have any prerequisites and how can we find courses that are not the prerequisite for any other courses? just graph drawingarrow_forward
- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage LearningCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
- Trigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning