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What is A* Search Algorithm and Cost Contours about?

This document discusses how A* search works by expanding nodes in concentric bands of increasing cost from the start node. It explains that A* expands all nodes with a cost f(n) less than the cost C* of the optimal solution path. It may also expand some nodes on the "goal contour" where f(n) equals C*. This guarantees that A* search is complete and will eventually find an optimal solution.

Author

sanjusunish

Language

EN