confusion about dijkstra algorithm?

confusion about dijkstra algorithm?

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confusion about dijkstra algorithm?
Tag : algorithm , By : eusden
Date : November 24 2020, 05:44 AM

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How is Dijkstra algorithm better tham A* algorithm for finding shortest path?

Tag : algorithm , By : Terrence Poon
Date : March 29 2020, 07:55 AM
With these it helps It is not better at finding the shortest path. As long as you have an admissible heuristic for A* it will find the shorted path quicker than Dijkstra's would.
And as Mehrad pointed out in the comments, A* degrades into Dijktras if you give it a heuristic function that returns 0.

Dijkstra's Algorithm team project not running because I named it Dijkstra(Project name)?

Tag : chash , By : Tim Benninghoff
Date : March 29 2020, 07:55 AM
I hope this helps . It's because of the apostrophe, not Dijsktra. Name it DijkstrasAlgorithm or somesuch and you should be fine

When will Dijkstra's algorithm and Prim's algorithm produce different outputs?

Tag : algorithm , By : Enrique Anaya
Date : March 29 2020, 07:55 AM
With these it helps A simple example is a collection of four nodes placed at the corners of a square. Place edges of cost 2 between any two adjacent corners, and place edges of cost 3 running diagonally across the square. Running Dijkstra's algorithm from any corner will pick these edges:
* -- *
| \
|  \
*    *
* -- *
* -- *

Why do we run Dijkstra's algorithm only V times in Johnson's algorithm?

Tag : algorithm , By : Ir0nh1de
Date : March 29 2020, 07:55 AM
To fix the issue you can do Given any two points, each time we run Bellman-Ford we correctly extend our understanding of the shortest path by at least one edge. And then stop improving.
The longest possible shortest path visits every vertex in the graph once. That path has V vertices and V-1 edges. Therefore once we've run V-1 times we must have found every possible shortest path.

Dijkstra's algorithm a greedy or dynamic programming algorithm?

Tag : algorithm , By : Fahad
Date : March 29 2020, 07:55 AM
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