Multi-fragment algorithm
 | This article relies largely or entirely on a single source. (May 2024) |
| Class | Approximation algorithm |
|---|---|
| Data structure | Graph |
| Worst-case performance | |
| Optimal | No |
The multi-fragment (MF) algorithm is a heuristic or approximation algorithm for the travelling salesman problem (TSP) (and related problems). This algorithm is also sometimes called the "greedy algorithm" for the TSP.
The algorithm builds a tour for the traveling salesman one edge at a time and thus maintains multiple tour fragments, each of which is a simple path in the complete graph of cities. At each stage, the algorithm selects the edge of minimal cost that either creates a new fragment, extends one of the existing paths or creates a cycle of length equal to the number of cities.[1]
References
- ^ Johnson, David; A. McGeoch, Lyle (1997). "The Traveling Salesman Problem: A Case Study in Local Optimization". Local Search in Combinatorial Optimization. 1. CiteSeerX 10.1.1.92.1635.
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