A class of polynomial variable metric algorithms for linear optimization

A class of polynomial variable metric algorithms for linear optimization

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Article ID: iaor1998404
Country: Netherlands
Volume: 74
Issue: 3
Start Page Number: 319
End Page Number: 331
Publication Date: Sep 1996
Journal: Mathematical Programming
Authors: ,
Keywords: computational analysis
Abstract:

In the paper, the behaviour of interior point algorithms is analyzed by using a variable metric method approach. A class of polynomial variable metric algorithms is given achieving O((n/β)L) iterations for solving a canonical form linear optimization problem with respect to a wide class of Riemannian metrics, where n is the number of dimensions and β a fixed value. It is shown that the vector fields of several interior point algorithms for linear optimization is the negative Riemannian gradient vector field of a linear, a potential or a logarithmic barrier function for suitable Riemannian metrics.

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