Parameters :: SAS/OR(R) 13.1 User's Guide: Mathematical Programming Examples

Table 25.5 shows the parameters that are used in this example.

Table 25.5: Parameters

Parameter Name	Interpretation
day_name[day]	Name of day
num_days	Number of days in periodic planning horizon
demand[depot,day]	Estimated number of cars demanded per depot per day
length_prob[length]	Probability of each rental length
cost[length]	Marginal cost (in pounds) to company for each rental length
price_same[length]	Rental price (in pounds) if the car is returned to the same depot
price_diff[length]	Rental price (in pounds) if the car is returned to a different depot
transition_prob[i,j]	Transition probability from depot $i$ to depot $j$
transfer_cost[i,j]	Cost (in pounds) to transfer a car from depot $i$ to depot $j$
repair_capacity[depot]	Upper bound on number of cars per day repaired at each depot
opportunity_cost_per_week	Opportunity cost (in pounds) per week of owning a car
transfer_length	Number of days required to transfer a car from depot to another
repair_length	Number of days required to repair a car
damage_prob	Probability that a car is returned damaged
damage_charge	Charge (in pounds) to customer for returning a car damaged
saturday_discount	Discount (in pounds) for hiring on Saturday and returning on Monday
rental_price[i,j,day,length]	Price (in pounds) to rent a car at depot $i$ and return to depot $j$ for each starting day and length
max_length	$\max \limits _{\text {length} \in \text {LENGTHS}} \text {length}$