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Author:Ali Nourollah , Mohammadreza Razzazi
Data Source:[J].Discrete Applied Mathematics(IF 0.718), 2011, Vol.159 (14), pp.1418-1424Elsevier
Abstract:Abstract(#br)An open chain or n -link is a sequence of n links with fixed lengths that are joined together at their endpoints and can turn about their endpoints, which act as joints. Positions of the joints of a chain define a configuration of the chain in the space. In one-dimen...
Author:Ali Nourollah , Mohammadreza Razzazi
Data Source:[J].Advanced Robotics(IF 0.51), 2009, Vol.23 (1-2), pp.239-256Taylor & Francis
Abstract:To improve reachability of a snake-like robot depending on the problem, the links of the robot need to be resizable. In such a case folding links of the robot help to better plan obstacle avoidance. Optimum folding of the robot is the aim of our paper. We introduce a practic...
Author:Elham Pashaei , Ali Nourollah , Alireza Bagheri
Data Source:[C].2012 IEEE International Conference on Computer Science and Automation Engineering(CSAE 2012)2012CNKI
Abstract:The Steiner problem leads to solutions in several scientific and business applications.Computer networks routing and electronic integrated circuits are few examples of it.Assuming some points in the Euclidean plane,we can construct a minimum spanning tree connecting these (termin...
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Author:Elnaz Pashaei , Ali Nourollah , Mohammad Reza Meybodi
Data Source:[C].2012 IEEE International Conference on Computer Science and Automation Engineering(CSAE 2012)2012CNKI
Abstract:The minimum Steiner tree problem,a classical combinatorial optimization problem with a long history,is a NP-complete problem.Due to its wide application,study of heuristic algorithm about Steiner tree problem has important practical and theoretical significance.In this paper,we i...
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Author:Ali Nourollah , Mohammad Reza Razzazi
Data Source:[B].Lecture Notes in Computer Science2007Springer
Abstract:Abstract A chain or n-link is a sequence of n links whose lengths are fixed joined together from their endpoints, free to turn about their endpoints, which act as joints. “Ruler Folding Problem”, which is NP-Complete is to find the minimum length of the folded c...

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