In goal programming, the deviational variables have the same objective function coefficients as the surplus and slack variables in a normal linear program.

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In goal programming, the deviational variables are used to measure the under-achievement or over-achievement of goals and may have different objective function coefficients compared to the surplus and slack variables in a normal linear program, which are used to measure the excess or shortfall in resource constraints.

In Goal Programming, the Deviational Variables Have the Same Objective