Modifying a discrete model

These routines modify a model for discrete optimization, such as mixed integer programming (MIP).

CPXXchgctype and CPXchgctype
The routine CPXXchgctype/CPXchgctype changes the types of a set of variables of a CPLEX problem object.
CPXXcopyctype and CPXcopyctype
The routine CPXXcopyctype/CPXcopyctype can be used to copy variable type information into a given problem.
CPXXcopyorder and CPXcopyorder
The routine CPXXcopyorder/CPXcopyorder copies a priority order to a CPLEX problem object of type CPXPROB_MILP, CPXPROB_MIQP, or CPXPROB_MIQCP.
CPXXcopysos and CPXcopysos
The routine CPXXcopysos/CPXcopysos copies special ordered set (SOS) information to a problem object of type CPXPROB_MILP, CPXPROB_MIQP, or CPXPROB_MIQCP.
CPXXdelindconstrs and CPXdelindconstrs
The routine CPXXdelindconstrs/CPXdelindconstrs deletes a range of indicator constraints.
CPXXdelsetsos and CPXdelsetsos
The routine CPXXdelsetsos/CPXdelsetsos deletes a group of special ordered sets (SOSs) from a CPLEX problem object.
CPXXdelsos and CPXdelsos
The routine CPXXdelsos/CPXdelsos deletes a group of special ordered sets (SOSs) from a CPLEX problem object.
CPXXfreelazyconstraints and CPXfreelazyconstraints
The routine CPXXfreelazyconstraints/CPXfreelazyconstraints clears the list of lazy constraints that have been previously specified through calls to CPXXaddlazyconstraints/CPXaddlazyconstraints.
CPXXfreeusercuts and CPXfreeusercuts
The routine CPXXfreeusercuts/CPXfreeusercuts clears the list of user cuts that have been previously specified through calls to CPXXaddusercuts/CPXaddusercuts.
CPXXordread and CPXordread
CPXXordwrite and CPXordwrite
The routine CPXXordwrite/CPXordwrite writes a priority order to an ORD file.
CPXXreadcopyorder and CPXreadcopyorder
The routine CPXXreadcopyorder/CPXreadcopyorder reads an ORD file and copies the priority order information into a CPLEX problem object.

Parent topic: Discrete Optimization in the CPLEX Callable Library (C API) Reference Manual