DUALPERTURB
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Description
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The factor by which the problem will be
perturbed prior to optimization by dual simplex. A value of
0.0 results in no perturbation prior to optimization.
DUALPERTURB, if set to a non-negative value, overrules the value of
PERTURB. The control
PERTURB is deprecated, the use of
PRIMALPERTURB and
DUALPERTURB is advised instead. Note the interconnection to the
AUTOPERTURB control. If
AUTOPERTURB is set to
1, the decision whether to perturb or not is left to the Optimizer. When the problem is automatically perturbed in dual simplex, however, the value of
DUALPERTURB will be used for perturbation.
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Type
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Double
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Default value
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-1 — determined automatically.
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Affects routines
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See also
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