ILOG CPLEX 11.0 Parameters Reference Manual > > Alphabetic List of Parameters > Barrier crossover algorithm

C Name

CPX_PARAM_BARCROSSALG

C++ Name

BarCrossAlg

Java Name

BarCrossAlg

.NET Name

BarCrossAlg

InteractiveOptimizer

barrier crossover

Identifier

3018

Description

Decides which, if any, crossover is performed at the end of a barrier optimization. This parameter also applies when CPLEX uses the Barrier Optimizer to solve an LP or QP problem, or when it is used to solve the continuous relaxation of an MILP or MIQP at a node in a MIP.

Values

Value 
Meaning 
-1 
No crossover  
Automatic: let CPLEX choose; default 
Primal crossover  
Dual crossover