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  2. Graph edit distance - Wikipedia

    en.wikipedia.org/wiki/Graph_edit_distance

    Graph edit distance. In mathematics and computer science, graph edit distance ( GED) is a measure of similarity (or dissimilarity) between two graphs . The concept of graph edit distance was first formalized mathematically by Alberto Sanfeliu and King-Sun Fu in 1983. [1] A major application of graph edit distance is in inexact graph matching ...

  3. Distance (graph theory) - Wikipedia

    en.wikipedia.org/wiki/Distance_(graph_theory)

    Distance (graph theory) In the mathematical field of graph theory, the distance between two vertices in a graph is the number of edges in a shortest path (also called a graph geodesic) connecting them. This is also known as the geodesic distance or shortest-path distance. [1] Notice that there may be more than one shortest path between two ...

  4. Unit distance graph - Wikipedia

    en.wikipedia.org/wiki/Unit_distance_graph

    A unit distance graph with 16 vertices and 40 edges. In mathematics, particularly geometric graph theory, a unit distance graph is a graph formed from a collection of points in the Euclidean plane by connecting two points whenever the distance between them is exactly one. To distinguish these graphs from a broader definition that allows some ...

  5. Distance from a point to a line - Wikipedia

    en.wikipedia.org/wiki/Distance_from_a_point_to_a...

    The distance (or perpendicular distance) from a point to a line is the shortest distance from a fixed point to any point on a fixed infinite line in Euclidean geometry. It is the length of the line segment which joins the point to the line and is perpendicular to the line. The formula for calculating it can be derived and expressed in several ways.

  6. Hamiltonian path problem - Wikipedia

    en.wikipedia.org/wiki/Hamiltonian_path_problem

    The Hamiltonian path problem is a topic discussed in the fields of complexity theory and graph theory. It decides if a directed or undirected graph, G, contains a Hamiltonian path, a path that visits every vertex in the graph exactly once. The problem may specify the start and end of the path, in which case the starting vertex s and ending ...

  7. Distance oracle - Wikipedia

    en.wikipedia.org/wiki/Distance_oracle

    DO for general metric spaces. The oracle is built of a decreasing collection of k +1 sets of vertices: For every : contains each element of , independently, with probability . Note that the expected size of is . The elements of are called i-centers. For every node v, calculate its distance from each of these sets: For every : and .

  8. Signed distance function - Wikipedia

    en.wikipedia.org/wiki/Signed_distance_function

    In mathematics and its applications, the signed distance function or signed distance field ( SDF) is the orthogonal distance of a given point x to the boundary of a set Ω in a metric space (such as the surface of a geometric shape), with the sign determined by whether or not x is in the interior of Ω. The function has positive values at ...

  9. Graphing calculator - Wikipedia

    en.wikipedia.org/wiki/Graphing_calculator

    A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables. Most popular graphing calculators are programmable calculators, allowing the user to create customized programs, typically for ...

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