random seed
This parameter sets the random seed differently for diversity of solutions.
Purpose
Set random seed differently for diversity of solutions.
| API | Parameter Name | Name prior to V12.6.0 |
|---|---|---|
| C | CPXPARAM_RandomSeed | CPX_PARAM_RANDOMSEED |
| C++ | IloCplex::Param::RandomSeed | RandomSeed (int) |
| OPL | randomseed | |
| Interactive | randomseed | randomseed |
| Identifier | 1124 | 1124 |
Description
This parameter makes it possible for your application to manage the random seed that CPLEX uses in some of its internal operations. Variation in the random seed can increase diversity of results.
Values
Any nonnegative integer; that is, an integer in the interval [0, BIGINT].
The default value of this parameter changes with each release.