Algorithm 811: NDA: algorithms for nondifferentiable optimization

  • Authors:
  • Ladislav Lukšan;Jan Vlček

  • Affiliations:
  • Academy of Sciences of the Czech Republic, Prague;Academy of Sciences of the Czech Republic, Prague

  • Venue:
  • ACM Transactions on Mathematical Software (TOMS)
  • Year:
  • 2001

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Abstract

We present four basic Fortran subroutines for nondifferentiable optimization with simple bounds and general linear constraints. Subroutine PMIN, intended for minimax optimization, is based on a sequential quadratic programming variable metric algorithm. Subroutines PBUN and PNEW, intended for general nonsmooth problems, are based on bundle-type methods. Subroutine PVAR is based on special nonsmooth variable metric methods. Besides the description of methods and codes, we propose computational experiments which demonstrate the efficiency of this approach.