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 |