different graphs

What is a graph | ω ･') Figure G is an Ordered Binary Group (V, E), where V is called the Vertices Set, E is called the Edges set, and E is not intersecting with V. They can also be written as V (G) and E (G ).The elements of E are binary groups, expressed by (x, y), where x, y, and V. (From Baidu encyclopedia) In short, a graph is composed of vertices and edges. It can also be understood as the abstract representation of the relationship between several elements, and the edge represents the re

discussed that the sheer waste caused by a multi-linked list is unthinkable (if the degrees of each vertex vary too much, it can be a huge waste).Fortunately, the predecessors have helped to think of a better way out, we will talk about the diagram of the five different storage structure, we are ready oh ~Adjacency Matrix (No map)Considering that the graph is composed of vertices and edges or arcs, it is difficult to fit together, it is natural to co

, Figure 4, is the match of Figure 2.We define matching points , matching edges , unmatched points , mismatched edges , and they are very obvious. Example 3, 1, 4, 5, 7 is the matching point, the other vertices are unmatched points, 1-5, 4-7 is the matching edge, the other edges are non-matching edges.Maximum match : A match with the largest number of matched edges in all matches of a graph, called the maximum match for this graph. Figure 4 is a maximum match that contains 4 matching edges.Perfe

two edges have no public vertices. For example, the red edge in Figure 3, Figure 4, is the match of Figure 2.We define matching points , matching edges , unmatched points , mismatched edges , and they are very obvious. Example 3, 1, 4, 5, 7 is the matching point, the other vertices are unmatched points, 1-5, 4-7 is the matching edge, the other edges are non-matching edges.Maximum match : A match with the largest number of matched edges in all matches of a graph, called the maximum match for thi

In the near future, we often use matplotlib to draw mathematical function diagrams, but how to use matplotlib to draw dynamic graphs, and to draw dynamic multi-graphs, until today to learn. 1. Reference text First of all thank the author of several words, help me learn how to draw, we can also refer to their text. Http://blog.csdn.net/rumswell/article/details/11731003: The

matches in a graph with the largest number of matched edges, called the maximum match for this graph. Figure 4 is a maximum match that contains 4 matching edges.1.4 Perfect MatchIf a match in a graph, all vertices are match points, then it is a perfect match. Figure 4 is a perfect match.Obviously, the perfect match must be the maximum match (any point of the perfect match has already been matched, adding a new matching edge will certainly conflict with the existing matching edge). But not every

When dealing with the clustering of incomplete graphs, it is difficult to find an effective clustering algorithm to do clustering.For the point, the location of the 10th and 15th points is not so close, such as using ordinary clustering algorithm to do clustering, usually will be 10th points and 15th points clustered in a class, so the general clustering effect is not so good.　　and spectral clustering , it is very good to deal with such problems.Let's

Bipartite graphs are an important part of graph theory and are widely used in real life. For example, the problem of matching must be solved by a bipartite graph. However, the application of the bipartite graph is not only used for these intuitive matching problems, but also has many practical problems that can be solved by the nature of the bipartite graph. For example: how to install the least number of cameras in a supermarket to cover the entire s

A simple way to represent graphs is to use two-dimensional arrays, called adjacency matrix representations. For each edge (u,v), place a[u][v] = true. Otherwise the item of the array is false. If the edge has a right, then you can place a[u][v] equal to that right, and use a large or small right as a token to indicate a non-existent edge. The space requirement for this representation method is O (| v^2|) (Generally speaking, space is more important th

Two-part diagram: The two-part graph, also known as two-part graph, is a special model in graph theory. Set g= (V,e) is a graph, if vertex V can be divided into two disjoint subsets (A, b), and each edge (I,J) in the diagram is associated with two vertices I and J respectively belong to these two different vertex sets (I in A,j in B), it is said that figure G is a two-part graph. The sufficient and necessary condition for the graph G to be two points