An incomplete Hessian Newton minimization method and its application in a chemical database problem

  • Authors:
  • Dexuan Xie;Qin Ni

  • Affiliations:
  • Department of Mathematical Sciences, University of Wisconsin, Milwaukee, USA 53211;Department of Mathematics, Nanjing University of Aeronautics and Astronautics, Nanjing, People's Republic of China 210016

  • Venue:
  • Computational Optimization and Applications
  • Year:
  • 2009

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Abstract

To efficiently solve a large scale unconstrained minimization problem with a dense Hessian matrix, this paper proposes to use an incomplete Hessian matrix to define a new modified Newton method, called the incomplete Hessian Newton method (IHN). A theoretical analysis shows that IHN is convergent globally, and has a linear rate of convergence with a properly selected symmetric, positive definite incomplete Hessian matrix. It also shows that the Wolfe conditions hold in IHN with a line search step length of one. As an important application, an effective IHN and a modified IHN, called the truncated-IHN method (T-IHN), are constructed for solving a large scale chemical database optimal projection mapping problem. T-IHN is shown to work well even with indefinite incomplete Hessian matrices. Numerical results confirm the theoretical results of IHN, and demonstrate the promising potential of T-IHN as an efficient minimization algorithm.