ILOG CPLEX 11.0 Parameters Reference Manual > > Alphabetic List of Parameters > Simplex crash ordering

Simplex crash ordering

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C Name

CPX_PARAM_CRAIND

C++ Name

CraInd

Java Name

CraInd

.NET Name

CraInd

InteractiveOptimizer

simplex crash

Identifier

1007

Description

Decides how CPLEX orders variables relative to the objective function when selecting an initial basis.

Values

Value 
Meaning 
LP Primal 
-1 
Alternate ways of using objective coefficients 
0 
Ignore objective coefficients during crash 
1 
Alternate ways of using objective coefficients; default 
LP Dual 
-1 
Aggressive starting basis  
0 
Aggressive starting basis  
1 
Default starting basis; default 
QP Primal 
-1 
Slack basis  
0 
Ignore Q terms and use LP solver for crash 
1 
Ignore objective and use LP solver for crash; default 
QP Dual 
-1 
Slack basis 
0 
Use Q terms for crash 
1 
Use Q terms for crash; default 

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