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In computer science, iterative deepening search or more specifically iterative deepening depth-first search [1] (IDS or IDDFS) is a state space/graph search strategy in which a depth-limited version of depth-first search is run repeatedly with increasing depth limits until the goal is found.
The better the quicker the algorithm converges. Could be 0 for first call. d Depth to loop for. An iterative deepening depth-first search could be done by calling MTDF() multiple times with incrementing d and providing the best previous result in f. [5] AlphaBetaWithMemory is a variation of Alpha Beta Search that caches previous results.
If G is a tree, replacing the queue of the breadth-first search algorithm with a stack will yield a depth-first search algorithm. For general graphs, replacing the stack of the iterative depth-first search implementation with a queue would also produce a breadth-first search algorithm, although a somewhat nonstandard one. [7]
It is a variant of iterative deepening depth-first search that borrows the idea to use a heuristic function to conservatively estimate the remaining cost to get to the goal from the A* search algorithm. Since it is a depth-first search algorithm, its memory usage is lower than in A*, but unlike ordinary iterative deepening search, it ...
Depth-first search: traverses a graph branch by branch; Dijkstra's algorithm: a special case of A* for which no heuristic function is used; General Problem Solver: a seminal theorem-proving algorithm intended to work as a universal problem solver machine. Iterative deepening depth-first search (IDDFS): a state space search strategy
Depth-first search; Dichotomic search; Difference-map algorithm; Dijkstra's algorithm; ... Iterative deepening depth-first search; J. Johnson's algorithm; Jump point ...
In essence, fringe search is a middle ground between A* and the iterative deepening A* variant (IDA*). If g(x) is the cost of the search path from the first node to the current, and h(x) is the heuristic estimate of the cost from the current node to the goal, then ƒ(x) = g(x) + h(x), and h* is the actual path
Depth-first search; Dijkstra–Scholten algorithm; ... Iterative deepening depth-first search; J. Johnson's algorithm; Journal of Graph Algorithms and Applications;