Multiobjective optimization

These macros, routines, and error codes enable you to implement multiobjective optimization.

CPXXgetnumobjs and CPXgetnumobjs
The routine CPXXgetnumobjs/CPXgetnumobjs returns the number of objectives in the problem instance.
CPXXmultiobjchgattribs and CPXmultiobjchgattribs
The routine CPXXmultiobjchgattribs/CPXmultiobjchgattribs changes the name, the weight, priority, absolute and relative tolerance attributes of an objective in the multiobjective description of a CPLEX problem object.
CPXXmultiobjgetcntinfo
The routine CPXXmultiobjgetcntinfo accesses integer-valued information about the solution of the specified subproblem during the last multi-objective optimization.
CPXXmultiobjgetdblinfo and CPXmultiobjgetdblinfo
The routine CPXXmultiobjgetdblinfo/CPXmultiobjgetdblinfo accesses double-valued information about the solution of the specified subproblem during the last multi-objective optimization.
CPXXmultiobjgetdiminfo
The routine CPXXmultiobjgetdiminfo accesses integer-valued information about the solution of the specified subproblem during the last multi-objective optimization.
CPXXmultiobjgetindex and CPXmultiobjgetindex
The routine CPXXmultiobjgetindex/CPXmultiobjgetindex searches for the index number of the specified objective in a CPLEX problem object.
CPXXmultiobjgetintinfo and CPXmultiobjgetintinfo
The routine CPXXmultiobjgetintinfo/CPXmultiobjgetintinfo accesses integer-valued information about the solution of the specified subproblem during the last multi-objective optimization.
CPXXmultiobjgetlonginfo and CPXmultiobjgetlonginfo
The routine CPXXmultiobjgetlonginfo/CPXmultiobjgetlonginfo accesses long-valued information about the solution of the specified subproblem during the last multi-objective optimization.
CPXXmultiobjgetname and CPXmultiobjgetname
Accesses the name of the specified objective of a CPLEX problem object.
CPXXmultiobjgetnumsolves and CPXmultiobjgetnumsolves
The routine CPXXmultiobjgetnumsolves/CPXmultiobjgetnumsolves accesses the specified objective of a CPLEX problem object.
CPXXmultiobjgetobj and CPXmultiobjgetobj
The routine CPXXmultiobjgetobj/CPXmultiobjgetobj accesses the specified objective of a CPLEX problem object.
CPXXmultiobjgetobjval and CPXmultiobjgetobjval
The routine CPXXmultiobjgetobjval/CPXmultiobjgetobjval accesses the value of objective with index n after multiobjective optimization.
CPXXmultiobjgetobjvalbypriority and CPXmultiobjgetobjvalbypriority
The routine CPXXmultiobjgetobjvalbypriority/CPXmultiobjgetobjvalbypriority accesses the blended objective value for the specified priority after multiobjective optimization.
CPXXmultiobjopt and CPXmultiobjopt
The routine CPXXmultiobjopt/CPXmultiobjopt performs a multiobjective optimization on a CPLEX problem object.
CPXXmultiobjsetobj and CPXmultiobjsetobj
The routine CPXXmultiobjsetobj/CPXmultiobjsetobj sets the specified objective of the CPLEX problem object.
CPXXsetnumobjs and CPXsetnumobjs
The routine CPXXsetnumobjs/CPXsetnumobjs sets the number of objectives in the problem instance.
CPX_MULTIOBJ_BARITCNT
Concert Technology enum: MultiobjBarItcnt
CPX_MULTIOBJ_BESTOBJVAL
Concert Technology enum: MultiobjBestobjval
CPX_MULTIOBJ_BLEND
Concert Technology enum: MultiobjBlend
CPX_MULTIOBJ_DEGCNT
Concert Technology enum: MultiobjDegCnt
CPX_MULTIOBJ_DETTIME
Concert Technology enum: MultiobjDetTime
CPX_MULTIOBJ_DEXCH
Concert Technology enum: MultiobjDExch
CPX_MULTIOBJ_DPUSH
Concert Technology enum: MultiobjDPush
CPX_MULTIOBJ_ERROR
Concert Technology enum: MultiobjError
CPX_MULTIOBJ_ITCNT
Concert Technology enum: MultiobjItcnt
CPX_MULTIOBJ_METHOD
Concert Technology enum: MultiobjMethod
CPX_MULTIOBJ_NODECNT
Concert Technology enum: MultiobjNodecnt
CPX_MULTIOBJ_NODELEFTCNT
Concert Technology enum: MultiobjNodeleftcnt
CPX_MULTIOBJ_OBJVAL
Concert Technology enum: MultiobjObjval
CPX_MULTIOBJ_PEXCH
Concert Technology enum: MultiobjPExch
CPX_MULTIOBJ_PHASE1CNT
Concert Technology enum: MultiobjPhase1cnt
CPX_MULTIOBJ_PPUSH
Concert Technology enum: MultiobjPPush
CPX_MULTIOBJ_PRIORITY
Concert Technology enum: MultiobjPriority
CPX_MULTIOBJ_SIFTITCNT
Concert Technology enum: MultiobjSiftItcnt
CPX_MULTIOBJ_SIFTPHASE1CNT
Concert Technology enum: MultiobjSiftPhase1cnt
CPX_MULTIOBJ_STATUS
Concert Technology enum: MultiobjStatus
CPX_MULTIOBJ_TIME
Concert Technology enum: MultiobjTime
CPX_NO_ABSTOL_CHANGE
CPX_NO_OFFSET_CHANGE
CPX_NO_PRIORITY_CHANGE
CPX_NO_RELTOL_CHANGE
CPX_NO_WEIGHT_CHANGE
CPX_STAT_MULTIOBJ_INFEASIBLE
302 (Multiobj only) enum: MultiobjInfeasible
CPX_STAT_MULTIOBJ_INForUNBD
303 (Multiobj only) enum: MultiobjInfOrUnbd
CPX_STAT_MULTIOBJ_NON_OPTIMAL
305 (Multiobj only) enum: MultiobjNonOptimal
CPX_STAT_MULTIOBJ_OPTIMAL
301 (Multiobj only) enum: MultiobjOptimal
CPX_STAT_MULTIOBJ_STOPPED
306 (Multiobj only) enum: MultiobjStopped
CPX_STAT_MULTIOBJ_UNBOUNDED
304 (Multiobj only) enum: MultiobjUnbounded
CPXERR_BAD_MULTIOBJ_ATTR
1488 Line %lld: Illegal attribute description for multi-objective: %s
CPXERR_MULTIOBJ_SUBPROB_SOLVE
1300 Failure to solve multi-objective subproblem
CPXERR_NO_OBJ_NAME
1489 Line %lld: No objective name
CPXERR_NOT_FOR_MULTIOBJ
1070 Not available for multiobjective problems
CPXMI_MULTIOBJ_COEFFS
1062 Detected objective coefficients that may be suited for multiobjective optimization
CPXMI_MULTIOBJ_LARGE_NUM
1058 Detected objective coefficient >= CPX_INFBOUND at %s, %s
CPXMI_MULTIOBJ_MIX
1063 Detected a mix of positive and negative objective coefficients
CPXMI_MULTIOBJ_OPT_TOL
1060 Detected objective coefficient <= the value of CPX_PARAM_EPOPT at %s, %s
CPXMI_MULTIOBJ_SMALL_NUM
1059 Detected objective coefficient <= CPX_MINBOUND at %s, %s
CPXMI_SAMECOEFF_MULTIOBJ
1061 %s has almost equal coefficients for %s and %s

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