Features

  • Different finite difference derivative approximations
  • Several BFGS and sparse BFGS strategies
  • Extended optimality & termination criteria
  • Numerical inaccuracy validation
  • Lowpass-filter termination checks
  • Different feasibility strategies
  • Miscellaneous recovery strategies
  • Strategies for automatic scaling
  • Workspace management system
  • Automatic Hessian structure approximation
  • Multiple relaxation variables
  • Warmstart capability for QPSOL
  • Hotstart capability for WORHP
  • Lagrange multiplier initialization
  • Interfaces to following linear algebra solvers:
    • SuperLU
    • MA57
    • MA86
    • PARDISO
    • MUMPS
    • WSMP
  • Modularization using Unified Solver Interface
  • Advanced, basic and simple interfaces
  • Cross-language and cross-platform capability
  • Check routine for structural errors in matrices
  • Detailled termination output routine
  • Process Monitoring
  • Stage history