The Linear Programming Solver

Functional Summary

Table 5.1 summarizes the list of options available for the SOLVE WITH LP statement, classified by function.

Table 5.1 Options for the LP Solver
Description	Option
Solver Options:
Enables or disables IIS detection	IIS=
Specifies the type of solver	SOLVER=
Specifies the type of solver called after network simplex	SOLVER2=
Presolve Option:
Specifies the type of presolve	PRESOLVER=
Control Options:
Specifies the feasibility tolerance	FEASTOL=
Specifies the maximum number of iterations	MAXITER=
Specifies the upper limit on real time used to solve the problem	MAXTIME=
Specifies the optimality tolerance	OPTTOL=
Specifies the frequency of printing solution progress	PRINTFREQ=
Specifies the detail of solution progress printed in log	PRINTLEVEL2=
Specifies units of CPU time or real time	TIMETYPE=
Simplex Algorithm Options:
Specifies the type of initial basis	BASIS=
Specifies the type of pricing strategy	PRICETYPE=
Specifies the queue size for determining entering variable	QUEUESIZE=
Enables or disables scaling of the problem	SCALE=
Interior Point Algorithm Options:
Enables or disables interior crossover (Experimental)	CROSSOVER=
Specifies the stopping criterion based on duality gap	STOP_DG=
Specifies the stopping criterion based on dual infeasibility	STOP_DI=
Specifies the stopping criterion based on primal infeasibility	STOP_PI=