Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Andreas Bley | 900 | 6270 | 2.73029e-03 | easy | mine | -784302337.6332 | mine-90-10.mps.gz |
Multi-period mine production scheduling instance Imported from MIPLIB2010.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 900 | 900 |
Constraints | 6270 | 6270 |
Binaries | 900 | 900 |
Integers | 0 | 0 |
Continuous | 0 | 0 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.00273029 | 0.00273029 |
Nonzeroes | 15407 | 15407 |
Original | Presolved | |
---|---|---|
Total | 6270 | 6270 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 0 | 0 |
Aggregations | 0 | 0 |
Precedence | 6250 | 6250 |
Variable Bound | 0 | 0 |
Set Partitioning | 0 | 0 |
Set Packing | 0 | 0 |
Set Covering | 0 | 0 |
Cardinality | 0 | 0 |
Invariant Knapsack | 0 | 0 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 20 | 20 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 0 | 0 |
General Linear | 0 | 0 |
Indicator | 0 | 0 |
Available nonzero structure and decomposition information. Further information can be found here.
Decomposed structure of original problem (dec-file)
Decomposed structure after trivial presolving (dec-file)
value | min | median | mean | max | |
---|---|---|---|---|---|
Components | 0.301030 | ||||
Constraint % | 0.15949 | 0.15949 | 0.15949 | 0.15949 | |
Variable % | 70.00000 | 70.00000 | 70.00000 | 70.00000 | |
Score | 0.000478 |
Find solutions below. Download the archive containing all solutions from the Download page.
ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|
2 | -784302338 | -784302338 | 0 | 0 | 5.00e-07 | - | 2018-10-12 | Solution imported from MIPLIB2010. |
1 | -784302338 | -784302338 | 0 | 0 | 2.75e-05 | - | 2018-10-12 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to mine-90-10 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.
Instance | Status | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Objective | Tags |
---|---|---|---|---|---|---|---|---|---|---|---|
mine-166-5 | easy | 830 | 830 | 0 | 0 | 8429 | 19412 | Andreas Bley | mine | -566395707.9 | binary benchmark_suitable precedence knapsack |
reblock166 | easy | 1660 | 1660 | 0 | 0 | 17024 | 39442 | Andreas Bley | reblock | -600052168.91 | binary benchmark_suitable precedence knapsack |
reblock115 | easy | 1150 | 1150 | 0 | 0 | 4735 | 13724 | Andreas Bley | reblock | -36800603.2332 | benchmark binary benchmark_suitable precedence knapsack |
reblock420 | easy | 4200 | 4200 | 0 | 0 | 62800 | 138670 | Andreas Bley | reblock | -517793000 | binary benchmark_suitable precedence knapsack |
reblock354 | hard | 3540 | 3540 | 0 | 0 | 19906 | 52901 | Andreas Bley | reblock | -39280521.2281657 | binary precedence knapsack |
@article{BleyBolandFrickeFroyland2009,
author = {A. Bley and N. Boland and C. Fricke and G. Froyland},
journal = {Computers and Operations Research},
language = {English},
pages = {1641--1647},
title = {A strengthened formulation and cutting planes for the open pit
mine production scheduling problem},
volume = {37},
year = {2010}
}