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ILinearSimplexStatistics Interface

Solver Foundation 3.0

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Provides statistical information specific to an attempt by the simplex solver to solve a linear model.

Namespace:  Microsoft.SolverFoundation.Services
Assembly:  Microsoft.Solver.Foundation (in Microsoft.Solver.Foundation.dll)

public interface ILinearSimplexStatistics

The ILinearSimplexStatistics type exposes the following members.

  NameDescription
Public propertyAlgorithmUsedGets the type of algorithm that is used by a solver.
Public propertyBranchCountGets the number of branches performed when the branch and bound algorithm is applied to a mixed integer linear problem.
Public propertyCostingUsedDoubleGets the costing that is used for double arithmetic.
Public propertyCostingUsedExactGets the costing used that is for exact arithmetic.
Public propertyFactorCountGets the number of basis matrix LU factorizations performed.
Public propertyFactorCountDoubleGets the number of double arithmetic factors.
Public propertyFactorCountExactGets the number of exact arithmetic factors.
Public propertyGapGets the difference between an integer solution and a relaxed solution.
Public propertyInnerIndexCountGets the number of user and row variables that are used internally when a linear model is being solved.
Public propertyInnerIntegerIndexCountGets the number of integer user and row variables that are used internally when a linear model is being solved.
Public propertyInnerRowCountGets the number of rows that are used internally when a linear model is being solved.
Public propertyInnerSlackCountGets the number of row variables that are used internally when a linear model is being solved.
Public propertyPivotCountGets the number of simplex pivots performed.
Public propertyPivotCountDegenerateGets the number of degenerated pivots.
Public propertyPivotCountDoubleGets the number of double arithmetic pivots.
Public propertyPivotCountDoublePhaseOneGets the phase one pivot count of double arithmetic.
Public propertyPivotCountDoublePhaseTwoGets the phase two pivot count of double arithmetic.
Public propertyPivotCountExactGets the pivot count of exact arithmetic.
Public propertyPivotCountExactPhaseOneGets the phase one pivot count of exact arithmetic.
Public propertyPivotCountExactPhaseTwoGets the phase two pivot count of exact arithmetic.
Public propertyUseDoubleGets a value that indicates whether a solve attempt is instructed to use double arithmetic.
Public propertyUseExactReturns a value that indicates whether a solve attempt is instructed to use exact arithmetic.
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