A homotopy continuation method for solving normal equations |
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Authors: | Hichem Sellami |
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Affiliation: | (1) Département de Mathématiques, Faculté des Sciences de Sfax, Université du Sud, Tunisia |
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Abstract: | In this paper, we present a continuation method for solving normal equations generated byC2 functions and polyhedral convex sets. We embed the normal map into a homotopyH, and study the existence and characteristics of curves inH1(0) starting at a specificd point. We prove the convergence of such curves to a solution of the normal equation under some conditions on the polyhedral convex setC and the functionf. We prove that the curve will have finite are length if the normal map, associated with the derivative df(·) and the critical coneK, is coherently oriented at each zero of the normal mapfc inside a certain ball of n. © 1998 The Mathematical Programming Society, Inc. Published by Elsevier Science B.V.This research was performed at the Department of Industrial Engineering, University of Wisconsin-Madison, Madison, WI, USA. |
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Keywords: | Normal map Homotopy Nonsmooth equation Normal manifold Regular value |
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