XPRSprob.Attributes

Method Detail

• getRows

  public int getRows()

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

• getSets

  public int getSets()

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

• getSetMembers

  public long getSetMembers()

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

• getElems

  public long getElems()

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

• getPrimalInfeas

  public int getPrimalInfeas()

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

• getDualInfeas

  public int getDualInfeas()

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

• getSimplexIter

  public int getSimplexIter()

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

• getLPStatus

  public XPRSenumerations.LPStatus getLPStatus()

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

• getMIPStatus

  public XPRSenumerations.MIPStatus getMIPStatus()

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

• getCuts

  public int getCuts()

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

• getNodes

  public int getNodes()

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

• getNodeDepth

  public int getNodeDepth()

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

• getActiveNodes

  public int getActiveNodes()

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

• getMIPSolNode

  public int getMIPSolNode()

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

• getMIPSols

  public int getMIPSols()

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

• getCols

  public int getCols()

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

• getSpareRows

  public int getSpareRows()

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

• getSpareCols

  public int getSpareCols()

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

• getSpareElems

  public long getSpareElems()

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

• getSpareMIPEnts

  public int getSpareMIPEnts()

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

• getErrorCode

  public int getErrorCode()

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

• getMIPInfeas

  public int getMIPInfeas()

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

• getPresolveState

  public int getPresolveState()

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

• getParentNode

  public int getParentNode()

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

• getNameLength

  public int getNameLength()

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

• getNumIIS

  public int getNumIIS()

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

• getMIPEnts

  public int getMIPEnts()

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

• getBranchVar

  public int getBranchVar()

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

• getMIPThreadID

  public int getMIPThreadID()

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

• getAlgorithm

  public int getAlgorithm()

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

• getTime

  public int getTime()

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

• getOriginalRows

  public int getOriginalRows()

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

• getSystemMemory

  public long getSystemMemory()

  Retrieves the value of the attribute XPRSconstants.SYSTEMMEMORY. Memory used by non problem sepcific structures

• getOriginalQElems

  public int getOriginalQElems()

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

• getMaxProbNameLength

  public int getMaxProbNameLength()

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

• getStopStatus

  public int getStopStatus()

  Retrieves the value of the attribute XPRSconstants.STOPSTATUS.

• getOriginalMIPEnts

  public int getOriginalMIPEnts()

  Retrieves the value of the attribute XPRSconstants.ORIGINALMIPENTS.

• getOriginalSets

  public int getOriginalSets()

  Retrieves the value of the attribute XPRSconstants.ORIGINALSETS.

• getOriginalSetMembers

  public long getOriginalSetMembers()

  Retrieves the value of the attribute XPRSconstants.ORIGINALSETMEMBERS.

• getSpareSets

  public int getSpareSets()

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

• getSpareSetElems

  public long getSpareSetElems()

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

• getChecksOnMaxTime

  public int getChecksOnMaxTime()

  Retrieves the value of the attribute XPRSconstants.CHECKSONMAXTIME.

• getChecksOnMaxCutTime

  public int getChecksOnMaxCutTime()

  Retrieves the value of the attribute XPRSconstants.CHECKSONMAXCUTTIME.

• getOriginalCols

  public int getOriginalCols()

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

• getQCElems

  public int getQCElems()

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

• getQConstraints

  public int getQConstraints()

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

• getOriginalQCElems

  public int getOriginalQCElems()

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

• getOriginalQConstraints

  public int getOriginalQConstraints()

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

• getPeakTotalTreeMemoryUsage

  public int getPeakTotalTreeMemoryUsage()

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

• getTreeMemoryUsage

  public int getTreeMemoryUsage()

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

• getGlobalFileSize

  public int getGlobalFileSize()

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

• getGlobalFileUsage

  public int getGlobalFileUsage()

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

• getIndicators

  public int getIndicators()

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

• getOriginalIndicators

  public int getOriginalIndicators()

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

• getCoresPerCPUDetected

  public int getCoresPerCPUDetected()

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

• getCPUsDetected

  public int getCPUsDetected()

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

• getCoresDetected

  public int getCoresDetected()

  Retrieves the value of the attribute XPRSconstants.CORESDETECTED. Number of logical cores detected in the system

• getPhysicalCoresDetected

  public int getPhysicalCoresDetected()

  Retrieves the value of the attribute XPRSconstants.PHYSICALCORESDETECTED. Number of physical cores detected in the system

• getPhysicalCoresPerCPUDetected

  public int getPhysicalCoresPerCPUDetected()

  Retrieves the value of the attribute XPRSconstants.PHYSICALCORESPERCPUDETECTED. Number of physical cores per CPU detected in the system

• getBarSing

  public int getBarSing()

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

• getBarSingR

  public int getBarSingR()

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

• getPresolveIndex

  public int getPresolveIndex()

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

• getCurrentMemory

  public long getCurrentMemory()

  Retrieves the value of the attribute XPRSconstants.CURRENTMEMORY. Current memory used by the problem

• getPeakMemory

  public long getPeakMemory()

  Retrieves the value of the attribute XPRSconstants.PEAKMEMORY. Estimate of the peak memory usage of the problem

• getCones

  public int getCones()

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

• getConeElems

  public int getConeElems()

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

• getTotalMemory

  public long getTotalMemory()

  Retrieves the value of the attribute XPRSconstants.TOTALMEMORY. Total memory usage of a solve. Used to check usage without the master prob pointer

• getAvailableMemory

  public long getAvailableMemory()

  Retrieves the value of the attribute XPRSconstants.AVAILABLEMEMORY. Available memory as seen by Xpress

• getPwlCons

  public int getPwlCons()

  Retrieves the value of the attribute XPRSconstants.PWLCONS. Number of piecewise linear objective functions

• getPwlPoints

  public long getPwlPoints()

  Retrieves the value of the attribute XPRSconstants.PWLPOINTS. Number of extreme points in piecewise linear objective functions

• getGenCons

  public int getGenCons()

  Retrieves the value of the attribute XPRSconstants.GENCONS. Number of general constraints (min/max/and/or/abs)

• getGenConCols

  public long getGenConCols()

  Retrieves the value of the attribute XPRSconstants.GENCONCOLS. Total number of columns appearing in general constraints

• getGenConVals

  public long getGenConVals()

  Retrieves the value of the attribute XPRSconstants.GENCONVALS. Total number of constant values appearing in min and max general constraints

• getTreeRestarts

  public int getTreeRestarts()

  Retrieves the value of the attribute XPRSconstants.TREERESTARTS. Total number of tree restarts performed

• getOriginalPwls

  public int getOriginalPwls()

  Retrieves the value of the attribute XPRSconstants.ORIGINALPWLS. Number of piecewise linear objective functions in original problem

• getOriginalPwlpoints

  public long getOriginalPwlpoints()

  Retrieves the value of the attribute XPRSconstants.ORIGINALPWLPOINTS. Number of extreme points in piecewise linear objective functions in original problem

• getOriginalGencons

  public int getOriginalGencons()

  Retrieves the value of the attribute XPRSconstants.ORIGINALGENCONS. Number of general constraints (min/max/and/or/abs) in original problem

• getOriginalGenconCols

  public long getOriginalGenconCols()

  Retrieves the value of the attribute XPRSconstants.ORIGINALGENCONCOLS. Total number of columns appearing in general constraints in original problem

• getOriginalGenconVals

  public long getOriginalGenconVals()

  Retrieves the value of the attribute XPRSconstants.ORIGINALGENCONVALS. Total number of constant values appearing in min and max general constraints in original problem

• getComputeExecutions

  public int getComputeExecutions()

  Retrieves the value of the attribute XPRSconstants.COMPUTEEXECUTIONS. Number of times we have successfully executed a compute server request (solve, iis etc)

• getLPObjVal

  public double getLPObjVal()

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

• getSumPrimalInf

  public double getSumPrimalInf()

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

• getMIPObjVal

  public double getMIPObjVal()

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

• getBestBound

  public double getBestBound()

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

• getObjRHS

  public double getObjRHS()

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

• getMIPBestObjVal

  public double getMIPBestObjVal()

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

• getOBJSense

  public double getOBJSense()

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

• getBranchValue

  public double getBranchValue()

  Retrieves the value of the attribute XPRSconstants.BRANCHVALUE.

• getPenaltyValue

  public double getPenaltyValue()

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

• getCurrMipCutOff

  public double getCurrMipCutOff()

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

• getBarCondA

  public double getBarCondA()

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

• getBarCondD

  public double getBarCondD()

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

• getMaxAbsPrimalInfeas

  public double getMaxAbsPrimalInfeas()

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

• getMaxRelPrimalInfeas

  public double getMaxRelPrimalInfeas()

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

• getMaxAbsDualInfeas

  public double getMaxAbsDualInfeas()

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

• getMaxRelDualInfeas

  public double getMaxRelDualInfeas()

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

• getPrimalDualIntegral

  public double getPrimalDualIntegral()

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

• getMaxMipInfeas

  public double getMaxMipInfeas()

  Retrieves the value of the attribute XPRSconstants.MAXMIPINFEAS. The maximum MIP infeasibility of the returned MIP solution

• getAttentionLevel

  public double getAttentionLevel()

  Retrieves the value of the attribute XPRSconstants.ATTENTIONLEVEL. attention level, will only be set when mipkappafreq != 0

• getMaxKappa

  public double getMaxKappa()

  Retrieves the value of the attribute XPRSconstants.MAXKAPPA. maximum condition number seen, will only be set when mipkappafreq != 0

• getTreeCompletion

  public double getTreeCompletion()

  Retrieves the value of the attribute XPRSconstants.TREECOMPLETION. accumulated weights of all terminal nodes as [0,1]-measure of tree completion

• getPredictedAttLevel

  public double getPredictedAttLevel()

  Retrieves the value of the attribute XPRSconstants.PREDICTEDATTLEVEL. attention level predicted by our regression forest learning

• getMatrixName

  public java.lang.String getMatrixName()

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

• getBoundName

  public java.lang.String getBoundName()

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

• getObjName

  public java.lang.String getObjName()

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

• getRHSName

  public java.lang.String getRHSName()

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

• getRangeName

  public java.lang.String getRangeName()

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

• getXpressVersion

  public java.lang.String getXpressVersion()

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

• getUUID

  public java.lang.String getUUID()

  Retrieves the value of the attribute XPRSconstants.UUID. Universally Unique Identifier for the problem instance

• getBarPrimalObj

  public double getBarPrimalObj()

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

• getBarDualObj

  public double getBarDualObj()

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

• getBarPrimalInf

  public double getBarPrimalInf()

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

• getBarDualInf

  public double getBarDualInf()

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

• getBarCGap

  public double getBarCGap()

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

• getBarIter

  public int getBarIter()

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

• getBarAASize

  public long getBarAASize()

  Retrieves the value of the attribute XPRSconstants.BARAASIZE. Number of nonzeros in AA^T

• getBarLSize

  public long getBarLSize()

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

• getBarDenseCol

  public int getBarDenseCol()

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

• getBarCrossover

  public int getBarCrossover()

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