Operations Research Transactions ›› 2015, Vol. 19 ›› Issue (3): 48-56.doi: 10.15960/j.cnki.issn.1007-6093.2015.03.007

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A new QP-free method without a penalty function and a filter

PU Dingguo1,2, SHANG Youlin1,*, WANG Guanlin1   

  1. 1. Department of Mathematics, Henan University of Science and Technology, Henan Luoyang 471023, China; 2. Department of Mathematics, Tongji University, Shanghai 200092, China
  • Received:2015-04-30 Online:2015-09-15 Published:2015-09-15

Abstract:

 In this paper, we propose a new QP-free infeasible method based on the solution of nonsmooth equations which  are obtained by the multipliers and the piecewise linear relationship NCP function for the KKT first-order optimality conditions. We do not use  a penalty function and a filter on line search. Locally, each iteration of this method can be viewed as a perturbation of the mixed Newton-quasi Newton iteration on both  primal and dual variables for the solution of  KKT optimality conditions. This method is  implementable and globally convergent. Without the second  order correction we  prove that the  method has superlinear convergence rate under some mild conditions.

Key words: filter, QP-free , method, constraint, convergence, NCP function