Adaptive model trust region methods for generalized eigenvalue problems

  • Authors:
  • P. -A. Absil;C. G. Baker;K. A. Gallivan;A. Sameh

  • Affiliations:
  • School of Computational Science, Florida State University, Tallahassee, FL;School of Computational Science, Florida State University, Tallahassee, FL;School of Computational Science, Florida State University, Tallahassee, FL;Department of Computer Sciences, Purdue University, West Lafayette, IN

  • Venue:
  • ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part I
  • Year:
  • 2005

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Abstract

Computing a few eigenpairs of large-scale matrices is a significant problem in science and engineering applications and a very active area of research. In this paper, two methods that compute extreme eigenpairs of positive-definite matrix pencils are combined into a hybrid scheme that inherits the advantages of both constituents. The hybrid algorithm is developed and analyzed in the framework of model-based methods for trace minimization.