Algorithm Research & Explore
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1427-1431

Dynamic degree based backtracking algorithm to solve constraint satisfaction problems with large domains

Zhang Xuecai
Zhao Chunyan
College of Science, University of Shanghai for Science & Technology, Shanghai 200093, China

Abstract

This paper proposed two heuristic dynamic backtracking algorithms which called ddeg-MAC backtracking algorithm based on dynamic degree and dom/ddeg-MAC backtracking algorithm based on dom/ddeg, respectively. The two algorithms chose variable according to the ddeg of the variable and the dom/ddeg of the variable, respectively. Both of the algorithms used maintaining arc consistency technique to assign the selected variables. When the assignment of the variabled violates the constraint, it performed dynamic backtracking to correct the value of the nearest variable. Numerical results show that the algorithms can find the solution of the problem effectively when the control parameter is very close to the theoretical phase transition point. Compared to the classical backtracking algorithm, the two heuristic dynamic backtracking algorithms have significant advantages.

Foundation Support

国家自然科学基金资助项目(11301339)
国家自然科学基金国际(地区)合作与交流项目(11491240108)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.09.0433
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 5
Section: Algorithm Research & Explore
Pages: 1427-1431
Serial Number: 1001-3695(2022)05-023-1427-05

Publish History

[2021-12-15] Accepted Paper
[2022-05-05] Printed Article

Cite This Article

张学才, 赵春艳. 基于动态度的回溯算法求解大值域约束满足问题 [J]. 计算机应用研究, 2022, 39 (5): 1427-1431. (Zhang Xuecai, Zhao Chunyan. Dynamic degree based backtracking algorithm to solve constraint satisfaction problems with large domains [J]. Application Research of Computers, 2022, 39 (5): 1427-1431. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

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