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Negative edge weights: Bellman-Ford algorithm Video Lecture | Algorithms - Computer Science Engineering (CSE)

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FAQs on Negative edge weights: Bellman-Ford algorithm Video Lecture - Algorithms - Computer Science Engineering (CSE)

1. How does the Bellman-Ford algorithm handle negative edge weights?
Ans. The Bellman-Ford algorithm can handle negative edge weights by allowing for negative values in the weight of edges. It is designed to detect negative weight cycles in a graph and return an error if one is found.
2. Can the Bellman-Ford algorithm work with graphs containing negative edge weights?
Ans. Yes, the Bellman-Ford algorithm can handle graphs with negative edge weights. It is specifically designed to handle such cases and can find the shortest path even if negative edge weights are present.
3. What happens if a negative weight cycle is present in the graph while using the Bellman-Ford algorithm?
Ans. If a negative weight cycle exists in the graph, the Bellman-Ford algorithm will detect it and return an error. This is because in the presence of a negative weight cycle, there is no well-defined shortest path in the graph.
4. Is the Bellman-Ford algorithm efficient for graphs with negative edge weights?
Ans. While the Bellman-Ford algorithm can handle negative edge weights, it is not the most efficient algorithm for graphs with negative weights. In such cases, algorithms like Dijkstra's algorithm or Floyd-Warshall algorithm may be more suitable.
5. Can the Bellman-Ford algorithm handle graphs with both positive and negative edge weights?
Ans. Yes, the Bellman-Ford algorithm is versatile and can handle graphs with a mix of positive and negative edge weights. It is able to find the shortest path even in such complex scenarios.
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