Primal interior dual-simplex method and dual interior primal-simplex method in the general bounded linear programming

Primal interior dual-simplex method and dual interior primal-simplex method in the general bounded linear programming

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Article ID: iaor20002410
Country: South Korea
Volume: 24
Issue: 1
Start Page Number: 27
End Page Number: 38
Publication Date: Mar 1999
Journal: Journal of the Korean ORMS Society
Authors: , ,
Keywords: duality, interior point methods
Abstract:

In this paper, Primal-Interior Dual-Simplex method (PIDS) and Dual-Interior Primal-Simplex method (DIPS) are developed for the general bounded linear programming. Two methods were implemented and compared with other pricing techniques for the Netlib linear programming problems: For the PIDS, the present approach shows superior performance to both most negative rule and dual steepest-edge method since it practically reduces degenerate iterations and has property to reduce the problem. For the DIPS, it requires less iterations and computational time than least reduced cost method, but it shows inferior performance to the dynamic primal steepest-edge method.

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