LP model report

LP model report

1. Sensitivity report

   • Final value
     • Optimal value = value for optimum solutions
   • Reduced cost
     • Bound of variables changes => the change in the optimum objective
   • Objective Coefficient = unit profit/cost
     • Price per unit, cost per unit....
   • Allowable in/decrease
     • OBJ coefficient + in/decrease = The range that unit profit can change and current solution still optimal
   • Shadow price
     • Means: an extra lbs of Corn yields an increase in profit of £1
   • Constraint RHS
     • Upper/lower bound for constraint
   • In/decrease allowable
     • Constraint limits within which solution remain optimal
       • Bottleneck remain the same in this range

2. Anwser report

   • Final value
     • Optimal value = value for optimum solutions
   • Original value
     • ???
   • Status
     • Binding or not means bottleneck or not
   • Slack
     • Remaining value from the lower or upper bound

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