Initializing help system before first use

BAROBJPERTURB

Description
Defines how the barrier perturbs the objective.
Type
Double
Topic area
Barrier
Values
>0 
Let the optimizer decide if the objective is perturbed or not and use the parameter value as the scale of the perturbation.
0 
Turn off objective perturbation.
<0 
Always perturb the objective by the absolute value of the parameter.
Default value
1e-6
Note
The perturbation scale should be set carefully with consideration to the optimality tolerance. The parameter affects only the barrier solve.
Affects routines
XPRSlpoptimize ( LPOPTIMIZE).
See also
BAROBJSCALE.
Category
Control

Parent Topic Control Parameters

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