What is a heuristic in A*?
An example of an AI chatbot conversation about heuristics in the A* algorithm.
What is a heuristic in A*?
A heuristic in A* is a function that estimates the cost to reach the goal from a given node.
Can you give me an example of a heuristic used in A*?
Sure! A common heuristic is the Euclidean distance, which calculates the straight-line distance to the goal.
How does the choice of heuristic affect the A* algorithm's performance?
The choice of heuristic can significantly impact performance; a good heuristic can lead to faster pathfinding.
Are there any heuristics that guarantee optimal solutions?
Yes, if a heuristic is admissible (never overestimates the cost), A* is guaranteed to find the optimal solution.
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