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The sensitivity range for a constraint quantity value is the range over which the shadow price is valid.

Question

The sensitivity range for a constraint quantity value is the range over which the shadow price is valid.

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Solution

Yes, that's correct. The sensitivity range for a constraint quantity value, also known as the allowable increase or decrease, is the range over which the shadow price (or dual value) remains valid.

Here are the steps to understand this concept:

  1. In linear programming, each constraint has an associated shadow price, which is the rate at which the objective function value will change for a one-unit change in the availability of the resource constrained by that constraint.

  2. The sensitivity range is the range over which this shadow price remains valid. In other words, if the constraint quantity value changes within this range, the shadow price will still accurately predict the change in the objective function value.

  3. If the constraint quantity value changes outside of this range, the shadow price may no longer be valid, and the optimal solution and objective function value may change in an unpredictable way.

  4. The sensitivity range can be calculated using sensitivity analysis techniques, which analyze how changes in the parameters of a linear programming problem affect the optimal solution.

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