List the four properties of linear programming models and provide an example of a violation of each
What will be an ideal response?
Answer: Properties and brief discussions are contained in the table. Counter examples will vary.
Proportionality The slope of a constraint or objective function is constant. There are no increasing or decreasing marginal returns on either.
Additivity Strictly linear functions - there are no interaction effects among decision variables.
Divisibility Non-integer values of decision variables are OK.
Certainty All model parameters are known exactly.
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