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  2. A* search algorithm - Wikipedia

    en.wikipedia.org/wiki/A*_search_algorithm

    The A* algorithm has real-world applications. In this example, edges are railroads and h(x) is the great-circle distance (the shortest possible distance on a sphere) to the target. The algorithm is searching for a path between Washington, D.C., and Los Angeles.

  3. Anytime A* - Wikipedia

    en.wikipedia.org/wiki/Anytime_A*

    In computer science, anytime A* is a family of variants of the A* search algorithm.Like other anytime algorithms, it has a flexible time cost, can return a valid solution to a pathfinding or graph traversal problem even if it is interrupted before it ends, by generating a fast, non-optimal solution before progressively optimizing it.

  4. Pathfinding - Wikipedia

    en.wikipedia.org/wiki/Pathfinding

    A* uses this heuristic to improve on the behavior relative to Dijkstra's algorithm. When the heuristic evaluates to zero, A* is equivalent to Dijkstra's algorithm. As the heuristic estimate increases and gets closer to the true distance, A* continues to find optimal paths, but runs faster (by virtue of examining fewer nodes).

  5. Any-angle path planning - Wikipedia

    en.wikipedia.org/wiki/Any-angle_path_planning

    There are also A*-based algorithm distinct from the above family: The performance of a visibility graph approach can be greatly improved by a sparse approach that only considers edges able to form taut paths. A multi-level version called ENLSVG is known to be faster than ANYA, but it can only be used with pre-processing. [19]

  6. Iterative deepening A* - Wikipedia

    en.wikipedia.org/wiki/Iterative_deepening_A*

    Iterative deepening A* (IDA*) is a graph traversal and path search algorithm that can find the shortest path between a designated start node and any member of a set of goal nodes in a weighted graph. It is a variant of iterative deepening depth-first search that borrows the idea to use a heuristic function to conservatively estimate the ...

  7. Search algorithm - Wikipedia

    en.wikipedia.org/wiki/Search_algorithm

    In computer science, a search algorithm is an algorithm designed to solve a search problem. Search algorithms work to retrieve information stored within particular data structure , or calculated in the search space of a problem domain, with either discrete or continuous values .

  8. A* - Wikipedia

    en.wikipedia.org/wiki/A*

    A* or A star may refer to: A* search algorithm, a pathfinding algorithm used in computing; A*, the highest grade in some examination systems such as the GCE Advanced Level; A*STAR, the Singapore Agency for Science, Technology and Research; AStar, the Eurocopter AS350 Écureuil helicopter; Class A star, a star of spectral class A

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