Initializing help system before first use

# DUALINFEAS

Description | Number of dual infeasibilities.
Type | Integer
Topic area | LP
Note | If the matrix is in a presolved state, this attribute returns the number of dual infeasibilities in the presolved matrix. If you require the value for the original matrix, make sure you obtain the value when the matrix is not presolved. The PRESOLVESTATE attribute can be used to test if the matrix is presolved or not. See also Working with Presolve.
Set by routines | XPRSlpoptimize ( LPOPTIMIZE), XPRSmipoptimize ( MIPOPTIMIZE).
See also | PRIMALINFEAS.
Category | Attribute

Parent Topic Problem Attributes

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