On the finite convergence of interior-point algorithms for linear programming

On the finite convergence of interior-point algorithms for linear programming

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Article ID: iaor19931553
Country: Netherlands
Volume: 57
Issue: 2
Start Page Number: 325
End Page Number: 335
Publication Date: Nov 1992
Journal: Mathematical Programming
Authors:
Keywords: computational analysis
Abstract:

It has been shown that numerous interior-point algorithms for linear programming (LP) generate solution sequences that converge to strict complementarity solutions, or interior solutions on the optimal face. This note further establishes a theoretical base for Gay’s test to identify the optimal face, and develops a new termination procedure to obtain an exact solution on the optimal face. It also reports some numerical results for solving a set of LP test problems, each of which has a highly degenerate and unbounded optimal face.

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