Solving LPs: barrier optimizer

Documents solving linear programming problems by means of the CPLEX barrier optimizer.

Introducing the barrier optimizer
Describes the type of problem the barrier optimizer solves and characterizes its approach.
Barrier simplex crossover
Describes considerations about basis solutions and the barrier optimizer.
Differences between barrier and simplex optimizers
Contrasts barrier optimizer with simplex optimizers.
Using the barrier optimizer
Documents parameters and methods associated with the barrier optimizer.
Special options in the Interactive Optimizer
Describes where to find further options of the barrier optimizer in the Interactive Optimizer.
Controlling crossover
Documents parameters controlling barrier crossover.
Using SOL file format
Describes content of SOL file with respect to the barrier optimizer and crossover.
Interpreting the barrier log file
Describes the log file generated by the barrier optimizer.
Understanding solution quality from the barrier LP optimizer
Documents the information available about the quality of a solution found by the barrier optimizer.
Tuning barrier optimizer performance
Describes facilities for tuning performance of the barrier optimizer.
Overcoming numeric difficulties
Documents ways to cope with numeric difficulties in the barrier optimizer.
Diagnosing infeasibility reported by barrier optimizer
Explains information about an infeasible solution from the barrier optimizer and its implications in diagnosing sources of infeasibility.

Parent topic: Continuous optimization