Changing small values to zero

To clean data by zeroing out small values, the Interactive Optimizer offers options for the change command.

The change command can also be used to clean up data in situations where you know that very small values are not really part of your model but instead are the result of imprecision introduced by finite-precision arithmetic in operations such as round-off.

change values

CPLEX then prompts you for a tolerance (epsilon value) within which small values should be changed to 0 (zero).

change option identifier [identifier2] new value