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  2. Tarjan's strongly connected components algorithm - Wikipedia

    en.wikipedia.org/wiki/Tarjan's_strongly_connected...

    The algorithm takes a directed graph as input, and produces a partition of the graph's vertices into the graph's strongly connected components. Each vertex of the graph appears in exactly one of the strongly connected components. Any vertex that is not on a directed cycle forms a strongly connected component all by itself: for example, a vertex ...

  3. Strongly connected component - Wikipedia

    en.wikipedia.org/wiki/Strongly_connected_component

    A strongly connected component C is called trivial when C consists of a single vertex which is not connected to itself with an edge, and non-trivial otherwise. [1] The yellow directed acyclic graph is the condensation of the blue directed graph. It is formed by contracting each strongly connected component of the blue graph into a single yellow ...

  4. List of open-source software for mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    Originally conceived in 1988 by John W. Eaton as a companion software for an undergraduate textbook, Eaton later opted to modify it into a more flexible tool. Development began in 1992 and the alpha version was released in 1993. Subsequently, version 1.0 was released a year after that in 1994.

  5. Component (graph theory) - Wikipedia

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

    A graph with three components. In graph theory, a component of an undirected graph is a connected subgraph that is not part of any larger connected subgraph. The components of any graph partition its vertices into disjoint sets, and are the induced subgraphs of those sets. A graph that is itself connected has exactly one component, consisting ...

  6. List of finite element software packages - Wikipedia

    en.wikipedia.org/wiki/List_of_finite_element...

    14.2.0 (January 23, 2025; 29 days ago (7] Regularly: Proprietary: Linux, Mac OS X, Windows, Raspbian, Online service. MATLAB Partial Differential Equation Toolbox: MATLAB Toolbox for solving structural, thermal, electromagnetics, and other general PDEs: MathWorks: 3.3 (R2019b) 2019-09-11: Proprietary commercial software: Linux, Mac OS X, Windows

  7. Connected component - Wikipedia

    en.wikipedia.org/wiki/Connected_component

    Connected component may refer to: Connected component (graph theory) , a set of vertices in a graph that are linked to each other by paths Connected component (topology) , a maximal subset of a topological space that cannot be covered by the union of two disjoint non-empty open sets

  8. SageMath - Wikipedia

    en.wikipedia.org/wiki/SageMath

    SageMath (previously Sage or SAGE, "System for Algebra and Geometry Experimentation" [3]) is a computer algebra system (CAS) with features covering many aspects of mathematics, including algebra, combinatorics, graph theory, group theory, differentiable manifolds, numerical analysis, number theory, calculus and statistics.

  9. 2-satisfiability - Wikipedia

    en.wikipedia.org/wiki/2-satisfiability

    Aspvall, Plass & Tarjan (1979) found a simpler linear time procedure for solving 2-satisfiability instances, based on the notion of strongly connected components from graph theory. [4] Two vertices in a directed graph are said to be strongly connected to each other if there is a directed path from one to the other and vice versa.