ILOG CPLEX 11.0 Getting Started > Tutorials > Interactive Optimizer Tutorial > Changing a Problem > Changing Small Values to Zero

Changing Small Values to Zero

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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

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

Summary

The general syntax for the change command is: 

change option identifier [identifier2] new value
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