XPRSprob.Attributes

Method Detail

• getRows

  public int getRows()

  Retrieves the value of the attribute 'ROWS'. Number of rows

• getSets

  public int getSets()

  Retrieves the value of the attribute 'SETS'. Number of special ordered sets

• getSetMembers

  public long getSetMembers()

  Retrieves the value of the attribute 'SETMEMBERS'. Number of SOS members

• getElems

  public long getElems()

  Retrieves the value of the attribute 'ELEMS'. Number of matrix nonzeros

• getPrimalInfeas

  public int getPrimalInfeas()

  Retrieves the value of the attribute 'PRIMALINFEAS'. Number of LP infeasibilities

• getDualInfeas

  public int getDualInfeas()

  Retrieves the value of the attribute 'DUALINFEAS'. Number of negative (inroving) djs

• getSimplexIter

  public int getSimplexIter()

  Retrieves the value of the attribute 'SIMPLEXITER'. Number of simplex iterations performed

• getLPStatus

  public XPRSenumerations.LPStatus getLPStatus()

  Retrieves the value of the attribute 'LPSTATUS'. Solution status (Values are from the enumeration 'LPStatus')

• getMIPStatus

  public XPRSenumerations.MIPStatus getMIPStatus()

  Retrieves the value of the attribute 'MIPSTATUS'. Global (MIP) solution status (Values are from the enumeration 'MIPStatus')

• getCuts

  public int getCuts()

  Retrieves the value of the attribute 'CUTS'. Number of cuts being added to the matrix

• getNodes

  public int getNodes()

  Retrieves the value of the attribute 'NODES'. Number of nodes solved so far in the global search

• getNodeDepth

  public int getNodeDepth()

  Retrieves the value of the attribute 'NODEDEPTH'. Depth of the current node

• getActiveNodes

  public int getActiveNodes()

  Retrieves the value of the attribute 'ACTIVENODES'. Number of outstanding nodes

• getMIPSolNode

  public int getMIPSolNode()

  Retrieves the value of the attribute 'MIPSOLNODE'. Node at which the last integer feasible solution was found

• getMIPSols

  public int getMIPSols()

  Retrieves the value of the attribute 'MIPSOLS'. Number of integer solutions that have been found

• getCols

  public int getCols()

  Retrieves the value of the attribute 'COLS'. Number of columns (i.e. variables) in the matrix

• getSpareRows

  public int getSpareRows()

  Retrieves the value of the attribute 'SPAREROWS'. Number of spare rows in the matrix

• getSpareCols

  public int getSpareCols()

  Retrieves the value of the attribute 'SPARECOLS'. Number of spare columns in the matrix

• getSpareElems

  public long getSpareElems()

  Retrieves the value of the attribute 'SPAREELEMS'. Number of spare matrix elements in the matrix

• getSpareMIPEnts

  public int getSpareMIPEnts()

  Retrieves the value of the attribute 'SPAREMIPENTS'. Number of spare global entities in the matrix

• getErrorCode

  public int getErrorCode()

  Retrieves the value of the attribute 'ERRORCODE'. The most recent Optimizer error number that occurred

• getMIPInfeas

  public int getMIPInfeas()

  Retrieves the value of the attribute 'MIPINFEAS'. Number of integer infeasibilities at the current node

• getPresolveState

  public int getPresolveState()

  Retrieves the value of the attribute 'PRESOLVESTATE'. State of the problem as a bit vector. Each bit is named through the KSTXXX constants (Values are from the enumeration 'PresolveState')

• getParentNode

  public int getParentNode()

  Retrieves the value of the attribute 'PARENTNODE'. The parent node of the current node in the tree search

• getNameLength

  public int getNameLength()

  Retrieves the value of the attribute 'NAMELENGTH'. The length (in 8 character units) of row and column names in the matrix

• getQElems

  public int getQElems()

  Retrieves the value of the attribute 'QELEMS'. Number of quadratic elements in the objective

• getNumIIS

  public int getNumIIS()

  Retrieves the value of the attribute 'NUMIIS'. Number of IISs found

• getMIPEnts

  public int getMIPEnts()

  Retrieves the value of the attribute 'MIPENTS'. Number of global entities

• getBranchVar

  public int getBranchVar()

  Retrieves the value of the attribute 'BRANCHVAR'. The branching variable at a node of the Branch and Bound tree

• getMIPThreadID

  public int getMIPThreadID()

  Retrieves the value of the attribute 'MIPTHREADID'. The ID for the MIP thread

• getAlgorithm

  public int getAlgorithm()

  Retrieves the value of the attribute 'ALGORITHM'. The current algorithm running. Value matches that of defaultalg

• getTime

  public int getTime()

  Retrieves the value of the attribute 'TIME'. Elapsed time as reported by the optimizer

• getOriginalRows

  public int getOriginalRows()

  Retrieves the value of the attribute 'ORIGINALROWS'. Number of rows (i.e. constraints) in the original matrix before presolving

• getCallbackCount_OptNode

  public int getCallbackCount_OptNode()

  Retrieves the value of the attribute 'CALLBACKCOUNT_OPTNODE'. Number of times the optnode callback has been called on the current node.

• getCallbackCount_CutMgr

  public int getCallbackCount_CutMgr()

  Retrieves the value of the attribute 'CALLBACKCOUNT_CUTMGR'. Number of times the cutmgr callback has been called on the current node.

• getOriginalQElems

  public int getOriginalQElems()

  Retrieves the value of the attribute 'ORIGINALQELEMS'. nqelem before presolve

• getMaxProbNameLength

  public int getMaxProbNameLength()

  Retrieves the value of the attribute 'MAXPROBNAMELENGTH'. The maximum path and problem name length currently allowed py the optimizer

• getStopStatus

  public int getStopStatus()

  Retrieves the value of the attribute 'STOPSTATUS'.

• getOriginalMIPEnts

  public int getOriginalMIPEnts()

  Retrieves the value of the attribute 'ORIGINALMIPENTS'.

• getOriginalSets

  public int getOriginalSets()

  Retrieves the value of the attribute 'ORIGINALSETS'.

• getOriginalSetMembers

  public long getOriginalSetMembers()

  Retrieves the value of the attribute 'ORIGINALSETMEMBERS'.

• getSpareSets

  public int getSpareSets()

  Retrieves the value of the attribute 'SPARESETS'. Number of spare sets in the matrix

• getSpareSetElems

  public long getSpareSetElems()

  Retrieves the value of the attribute 'SPARESETELEMS'. Number of spare set elements in the matrix

• getChecksOnMaxTime

  public int getChecksOnMaxTime()

  Retrieves the value of the attribute 'CHECKSONMAXTIME'.

• getChecksOnMaxCutTime

  public int getChecksOnMaxCutTime()

  Retrieves the value of the attribute 'CHECKSONMAXCUTTIME'.

• getOriginalCols

  public int getOriginalCols()

  Retrieves the value of the attribute 'ORIGINALCOLS'. Number of columns (i.e. variables) in the original matrix before presolving

• getQCElems

  public int getQCElems()

  Retrieves the value of the attribute 'QCELEMS'. Number of quadratic elements in the matrix, including constraints only

• getQConstraints

  public int getQConstraints()

  Retrieves the value of the attribute 'QCONSTRAINTS'. Number of rows with quadratic elements (without the quadratic objective)

• getOriginalQCElems

  public int getOriginalQCElems()

  Retrieves the value of the attribute 'ORIGINALQCELEMS'. Original nqcelem before presolve

• getOriginalQConstraints

  public int getOriginalQConstraints()

  Retrieves the value of the attribute 'ORIGINALQCONSTRAINTS'. Original nqcrows before presolve

• getPeakTotalTreeMemoryUsage

  public int getPeakTotalTreeMemoryUsage()

  Retrieves the value of the attribute 'PEAKTOTALTREEMEMORYUSAGE'. The largest-ever size of the tree node data in uncompressed form, in megabytes

• getCurrentNode

  public int getCurrentNode()

  Retrieves the value of the attribute 'CURRENTNODE'. Identifier of the current node being solved.

• getTreeMemoryUsage

  public int getTreeMemoryUsage()

  Retrieves the value of the attribute 'TREEMEMORYUSAGE'. Number of megabytes currently allocated to the branch-and-bound tree

• getGlobalFileSize

  public int getGlobalFileSize()

  Retrieves the value of the attribute 'GLOBALFILESIZE'. Number of megabytes currently allocated to the global file

• getGlobalFileUsage

  public int getGlobalFileUsage()

  Retrieves the value of the attribute 'GLOBALFILEUSAGE'. Number of megabytes currently stored in the global file

• getIndicators

  public int getIndicators()

  Retrieves the value of the attribute 'INDICATORS'. Number of indicator constraints

• getOriginalIndicators

  public int getOriginalIndicators()

  Retrieves the value of the attribute 'ORIGINALINDICATORS'. Original nindicators before presolve

• getCoresPerCPUDetected

  public int getCoresPerCPUDetected()

  Retrieves the value of the attribute 'CORESPERCPUDETECTED'. Number of cores per CPU detected in the system

• getCPUsDetected

  public int getCPUsDetected()

  Retrieves the value of the attribute 'CPUSDETECTED'. Number of CPUs detected in the system

• getCoresDetected

  public int getCoresDetected()

  Retrieves the value of the attribute 'CORESDETECTED'. Number of logical processors detected in the system

• getBarSing

  public int getBarSing()

  Retrieves the value of the attribute 'BARSING'. Number of singularities in barrier's Cholesky decomposition

• getBarSingR

  public int getBarSingR()

  Retrieves the value of the attribute 'BARSINGR'. Number of regularised singularities in barrier's Cholesky decomposition

• getPresolveIndex

  public int getPresolveIndex()

  Retrieves the value of the attribute 'PRESOLVEINDEX'. Row or column index on which the presolver detected infeasibility or unboundedness.

• getCones

  public int getCones()

  Retrieves the value of the attribute 'CONES'. number of conical rows detected in the problem

• getConeElems

  public int getConeElems()

  Retrieves the value of the attribute 'CONEELEMS'. number of elements in conical rows detected in the problem

• getLPObjVal

  public double getLPObjVal()

  Retrieves the value of the attribute 'LPOBJVAL'. Value of the objective function of the last LP solved

• getSumPrimalInf

  public double getSumPrimalInf()

  Retrieves the value of the attribute 'SUMPRIMALINF'. Scaled sum of primal infeasibilities

• getMIPObjVal

  public double getMIPObjVal()

  Retrieves the value of the attribute 'MIPOBJVAL'. Objective function value of the last integer solution found

• getBestBound

  public double getBestBound()

  Retrieves the value of the attribute 'BESTBOUND'. Value of the best bound determined so far by the global search

• getObjRHS

  public double getObjRHS()

  Retrieves the value of the attribute 'OBJRHS'. Fixed part of the objective function

• getMIPBestObjVal

  public double getMIPBestObjVal()

  Retrieves the value of the attribute 'MIPBESTOBJVAL'. Objective function value of the best integer solution found

• getOBJSense

  public double getOBJSense()

  Retrieves the value of the attribute 'OBJSENSE'. Sense of the optimization being performed

• getBranchValue

  public double getBranchValue()

  Retrieves the value of the attribute 'BRANCHVALUE'.

• getPenaltyValue

  public double getPenaltyValue()

  Retrieves the value of the attribute 'PENALTYVALUE'. The weighted sum of violations if a solution is identified by repairinfeas

• getCurrMipCutOff

  public double getCurrMipCutOff()

  Retrieves the value of the attribute 'CURRMIPCUTOFF'. The current value of the MIP cut-off

• getBarCondA

  public double getBarCondA()

  Retrieves the value of the attribute 'BARCONDA'. Barrier condition number

• getBarCondD

  public double getBarCondD()

  Retrieves the value of the attribute 'BARCONDD'. Barrier condition number

• getMaxAbsPrimalInfeas

  public double getMaxAbsPrimalInfeas()

  Retrieves the value of the attribute 'MAXABSPRIMALINFEAS'. Maximum absolute primal infeasibility in the LP solution

• getMaxRelPrimalInfeas

  public double getMaxRelPrimalInfeas()

  Retrieves the value of the attribute 'MAXRELPRIMALINFEAS'. Maximum relative primal infeasibility in the LP solution

• getMaxAbsDualInfeas

  public double getMaxAbsDualInfeas()

  Retrieves the value of the attribute 'MAXABSDUALINFEAS'. Maximum absolute dual infeasibility in the LP solution

• getMaxRelDualInfeas

  public double getMaxRelDualInfeas()

  Retrieves the value of the attribute 'MAXRELDUALINFEAS'. Maximum relative dual infeasibility in the LP solution

• getPrimalDualIntegral

  public double getPrimalDualIntegral()

  Retrieves the value of the attribute 'PRIMALDUALINTEGRAL'. The accumulated primal-dual integral over this run

• getMatrixName

  public java.lang.String getMatrixName()

  Retrieves the value of the attribute 'MATRIXNAME'. The matrix name

• getBoundName

  public java.lang.String getBoundName()

  Retrieves the value of the attribute 'BOUNDNAME'. Active bound name

• getObjName

  public java.lang.String getObjName()

  Retrieves the value of the attribute 'OBJNAME'. Active objective function row name

• getRHSName

  public java.lang.String getRHSName()

  Retrieves the value of the attribute 'RHSNAME'. Active right hand side name

• getRangeName

  public java.lang.String getRangeName()

  Retrieves the value of the attribute 'RANGENAME'. Active range name

• getXpressVersion

  public java.lang.String getXpressVersion()

  Retrieves the value of the attribute 'XPRESSVERSION'. The Xpress version number, i.e. the versioning of the suite

• getBarPrimalObj

  public double getBarPrimalObj()

  Retrieves the value of the attribute 'BARPRIMALOBJ'. Primal objective value calculated by the Newton barrier algorithm

• getBarDualObj

  public double getBarDualObj()

  Retrieves the value of the attribute 'BARDUALOBJ'. Dual objective value calculated by the Newton barrier algorithm

• getBarPrimalInf

  public double getBarPrimalInf()

  Retrieves the value of the attribute 'BARPRIMALINF'. Sum of the primal infeasibilities for the Newton barrier algorithm

• getBarDualInf

  public double getBarDualInf()

  Retrieves the value of the attribute 'BARDUALINF'. Sum of the dual infeasibilities for the Newton barrier algorithm

• getBarCGap

  public double getBarCGap()

  Retrieves the value of the attribute 'BARCGAP'. Convergence criterion for the Newton barrier algorithm

• getBarIter

  public int getBarIter()

  Retrieves the value of the attribute 'BARITER'. Number of Newton barrier iterations

• getBarAASize

  public long getBarAASize()

  Retrieves the value of the attribute 'BARAASIZE'. Number of nonzeros in AA^T

• getBarLSize

  public long getBarLSize()

  Retrieves the value of the attribute 'BARLSIZE'. Number of nonzeros in L resulting from the Cholesky factorization

• getBarDenseCol

  public int getBarDenseCol()

  Retrieves the value of the attribute 'BARDENSECOL'. Number of dense columns found in the matrix

• getBarCrossover

  public int getBarCrossover()

  Retrieves the value of the attribute 'BARCROSSOVER'. Indicates whether or not the basis crossover phase has been entered