Accessing general problem data

These problem query routines and methods access information about a problem object after it has been created.

Problem query routines and methods access information about a problem object after it has been created. They can be used at any time, even after problem modifications.

Note:

Names of classes, methods, and symbolic constants in the C#.NET API correspond very closely to those in the Java API with these systematic exceptions:

In the Java API, the names of classes begin with the prefix Ilo, whereas in C#.NET they do not.
In the Java API, the names of methods conventionally begin with a lowercase letter, for example, addCols, whereas in the C#.NET API, the names of methods conventionally begin with an uppercase (that is, capital) letter, for example, AddCols according to Microsoft practice.

Purpose	Java API	C++ API	C API
Accesses name of problem	IloModel. getName. IloModel implements the interface IloAddable and thus inherits its method.	IloModel:: getName	`CPXXgetprobname and CPXgetprobname`
Accesses name of objective function	IloObjective. getName. IloObjective implements the interface IloAddable and thus inherits its method.	IloObjective:: getName	`CPXXgetobjname and CPXgetobjname`
Accesses variable (column) names	IloNumVar. getName	IloNumVar:: getName	`CPXXgetcolname and CPXgetcolname`
Accesses constraint (row) names	IloRange. getName. IloRange implements the interface IloAddable and thus inherits its method.	IloRange:: getName	`CPXXgetrowname and CPXgetrowname`
Accesses variable (column) index number with a specific name	IloLPMatrix. getIndex accesses an index for an instance of IloNumVar	----	`CPXXgetcolindex and CPXgetcolindex`
Accesses constraint (row) index number with a specified name	IloLPMatrix. getIndex accesses an index for an instance of IloRange	----	`CPXXgetrowindex and CPXgetrowindex`
Accesses number of variables in the problem	IloCplex. getNcols or IloLPMatrix. getNcols	IloCplex:: getNcols	`CPXXgetnumcols and CPXgetnumcols`
Accesses number of constraints in the problem	IloCplex. getNrows or IloLPMatrix. getNrows	IloCplex:: getNrows	`CPXXgetnumrows and CPXgetnumrows`
Accesses number of nonzeros in the problem	IloCplex. getNNZs or IloLPMatrix. getNNZs	IloCplex:: getNNZs	`CPXXgetnumnz and CPXgetnumnz`
Accesses objective sense	IloObjective. getSense	IloObjective:: getSense	`CPXXgetobjsen and CPXgetobjsen`
Accesses objective coefficient values	IloObjective. getExpr	IloObjective:: getExpr	`CPXXgetobj and CPXgetobj`
Accesses righthand side values	IloRange. getLB or IloRange. getUB	IloRange:: getLB or IloRange:: getUB	`CPXXgetrhs and CPXgetrhs`
Accesses sense of constraint	Compare IloRange. getLB and IloRange. getUB	Compare IloRange:: getLB and IloRange:: getUB	`CPXXgetsense and CPXgetsense`
Accesses a range of lower bounds	IloNumVar. getLB IloIntVar. getLB IloSemiContVar. getLB IloSemiContVar. getSemiContLB	IloNumVar, IloIntVar, IloBoolVar, or IloSemiContVar method getLB also IloSemiContVar:: getSemiContLB	`CPXXgetlb and CPXgetlb`
Accesses a range of upper bounds	IloNumVar. getUB or IloIntVar. getUB or IloSemiContVar. getUB	IloNumVar, IloIntVar, IloBoolVar, or IloSemiContVar method getUB	`CPXXgetub and CPXgetub`
Accesses a range of columns	IloLPMatrix.getCols(int, int, int[][], double[][])	----	`CPXXgetcols and CPXgetcols`
Accesses a range of rows	IloLPMatrix.getRows(int, int, double[], double[], int[][], double[][]) or IloRange. getExpr	IloRange:: getExpr	`CPXXgetrows and CPXgetrows`
Accesses a coefficient value	IloRange. getExpr or IloLPMatrix.getNZ(int, int)	IloRange:: getExpr	`CPXXgetcoef and CPXgetcoef`
Accesses values for RHS ranged constraints	IloRange. getLB, IloRange. getUB	IloRange:: getLB, getUB	`CPXXgetrngval and CPXgetrngval`
Accesses the kind of problem	IloCplex. isMIP IloCplex. isQO IloCplex. isQC	IloCplex:: isMIP IloCplex:: isQO IloCplex:: isQC	`CPXXgetprobtype and CPXgetprobtype`