preprocessing aggregator application limit

Invokes the aggregator to use substitution where possible to reduce the number of rows and columns before the problem is solved.

Purpose

Preprocessing aggregator application limit

API Parameter Name Name prior to V12.6.0 C CPXPARAM_Preprocessing_Aggregator CPX_PARAM_AGGIND (int) C++ IloCplex::Param::Preprocessing::Aggregator AggInd (int) Java IloCplex.Param.Preprocessing.Aggregator AggInd (int) .NET Cplex.Param.Preprocessing.Aggregator AggInd (int) OPL aggind aggind Python parameters.preprocessing.aggregator preprocessing.aggregator Interactive preprocessing aggregator preprocessing aggregator Identifier 1003 1003

Description

Invokes the aggregator to use substitution where possible to reduce the number of rows and columns before the problem is solved. If set to a positive value, the aggregator is applied the specified number of times or until no more reductions are possible.

Table 1. Values

Value	Meaning
-1	Automatic (1 for LP, infinite for MIP) default
0	Do not use any aggregator
Any positive integer	Number of times to apply aggregator