Recent Papers and Software

  • Software

  • Gradient Methods (CG/CBB/Nonmonotone)

  • LPDASA/Update/Downdate

  • Partitioning

  • Regularization Methods

  • Lightning

  • Communication and Digital Signal Processing

  • Optimal Control

  • Electronic Structure Computations

  • Imaging

  • C. P. Bras, W. W. Hager, and J. J. Judice, An investigation of feasible descent algorithms for estimating the condition number of a matrix, TOP, Journal of the Spanish Society of Statistics and Operations Research, DOI 10.1007/s11750-010-0161-9
  • J. Luo, W. W. Hager, and R. Wu, A differential equation model for functional mapping of a virus-cell dynamic system, Journal of Mathematical Biology, 61 (2010), pp. 1-15.
  • W. W. Hager and D. T. Phan, An ellipsoidal branch and bound algorithm for global optimization, SIAM Journal on Optimization, 20 (2009), pp. 740-758.
  • W. W. Hager, R. Rostamian, D. Wang, The wave annihilation technique and the design of nonreflective coatings, SIAM Journal on Applied Mathematics, 60 (2000), pp. 1388-1424.
  • W. W. Hager and S. Gowda, Stability in the presence of degeneracy and error estimation (Mathematical Programming, 85 (1999), pp. 181-192)
  • Optpack, Software for solving nonlinear optimization problems
  • Optpack Test problems, Examples showing how to use optpack with the Colville test problems