Table 7.1 shows the parameters that are used in this example.
Table 7.1: Parameters
|
Parameter Name |
Interpretation |
|---|---|
|
cost[mine] |
Yearly royalties payable on each mine kept open |
|
extract_ub[mine] |
Upper bound on amount of ore extracted from each mine in a year |
|
quality[mine] |
Quality of ore from each mine |
|
quality_required[year] |
Required quality of blended ore per year |
|
max_num_worked_per_year |
Maximum number of mines worked per year |
|
revenue_per_ton |
Revenue per ton of blended ore |
|
discount_rate |
Annual discount rate for future years |
|
Extract[mine,year].ub |
Upper bound on |
|
quality_sol[year] |
Quality of blended ore per year |