A* search - translation to Αγγλικά
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A*A* search - translation to Αγγλικά

ALGORITHM USED FOR PATHFINDING AND GRAPH TRAVERSAL
A Star Search Algorithm; A star search algorithm; A-star algorithm; A-star search algorithm; A* algorithm; A* search; A-star; A Star; A star search; TBA*; New Bidirectional A*
  • The A* algorithm finding a path of railroads between Washington, D.C. and Los Angeles.
  • Illustration of A* search for finding a path between two points on a graph. From left to right, a heuristic that prefers points closer to the goal is used increasingly.
  • An example of A* algorithm in action (nodes are cities connected with roads, h(x) is the straight-line distance to the target point) Green: Start, Blue: Target, Orange: Visited
  • A* pathfinding algorithm navigating around a randomly-generated maze
  • A* was invented by researchers working on Shakey the Robot's path planning.

A* search         

общая лексика

алгоритм A* (произносится "А со звёздочкой")

алгоритм эвристического поиска пути на графе решений. Для каждого узла n применяется оценочная функция вида F(n) B(n) + E(n), где B(n) и E(n) - оценочные функции для расстояния соответственно от начального и конечного состояния. Меньшее значение F(n) соответствует кратчайшему пути от исходного состояния к целевому

Смотрите также

<a class="dict-link-type1" href="find">decision spacea>; <a class="dict-link-type1" href="find">heuristic searcha>; <a class="dict-link-type1" href="find">searcha>

search         
  • Abhay Bang with the Breath Counter he designed
  • Abhay and Rani Bang
  • Abhay and Rani Bang, along with their younger son Amrut
  • Abhay and Rani Bang
WIKIMEDIA DISAMBIGUATION PAGE
Searches; Search; Searchin' (disambiguation); Searching (disambiguation); Search (disambiguation); Serch; Computer search; Searching (song); Search (TV series)
search 1. noun 1) поиски; I am in search of a house - я ищу себе дом; a search for a missing aircraft - поиски пропавшего самолета 2) обыск; right of search leg. - право обыска судов 3) исследование; изыскание 4) attr. поисковый 2. v. 1) искать; разыскивать; to search for a lost girl - разыскивать заблудившуюся девочку; to search after new remedies - разрабатывать новые средства лечения 2) шарить; обыскивать; производить обыск; to search a house - производить обыск в доме; to search one's memory - вспоминать, напрягая память 3) исследовать; to search one's heart - анализировать свои чувства 4) зондировать (рану) 5) проникать; the cold searched his marrow - он продрог до мозга костей - search after - search out - search through - search me! Syn: see hunt
sequential search         
SEARCH ALGORITHM IN UNSORTED LISTS
Sequential search; Linear search algorithm
последовательный поиск

Ορισμός

КОФЕРМЕНТ А
(КоА) , сложное природное соединение, один из важнейших коферментов. В живых клетках участвует в реакциях окисления, синтеза жирных кислот, липидов и др.

Βικιπαίδεια

A* search algorithm

A* (pronounced "A-star") is a graph traversal and path search algorithm, which is used in many fields of computer science due to its completeness, optimality, and optimal efficiency. One major practical drawback is its O ( b d ) {\displaystyle O(b^{d})} space complexity, as it stores all generated nodes in memory. Thus, in practical travel-routing systems, it is generally outperformed by algorithms that can pre-process the graph to attain better performance, as well as memory-bounded approaches; however, A* is still the best solution in many cases.

Peter Hart, Nils Nilsson and Bertram Raphael of Stanford Research Institute (now SRI International) first published the algorithm in 1968. It can be seen as an extension of Dijkstra's algorithm. A* achieves better performance by using heuristics to guide its search.

Compared to Dijkstra's algorithm, the A* algorithm only finds the shortest path from a specified source to a specified goal, and not the shortest-path tree from a specified source to all possible goals. This is a necessary trade-off for using a specific-goal-directed heuristic. For Dijkstra's algorithm, since the entire shortest-path tree is generated, every node is a goal, and there can be no specific-goal-directed heuristic.

Παραδείγματα από το σώμα κειμένου για A* search
1. "He allowed aA* search of his house, aA* search of his person, aA* search of his belongings.
2. Authorities launched aA* search and–rescue operation.
3. Kennedy International Airport, setting off aA* search.
4. On Friday, aA* search warrant and arrest warrant were issued.
5. No explosives were found during aA* search of the plane.
Μετάφραση του &#39A* search&#39 σε Ρωσικά