Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Kiyan Ahmadizadeh | 164547 | 328818 | 1.01637e-05 | easy | map | -922 | map14860-20.mps.gz |
Land parcel selection problems motivated by Red-Cockaded Woodpecker conservation problem Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 164547 | 26843 |
Constraints | 328818 | 50120 |
Binaries | 146 | 118 |
Integers | 0 | 0 |
Continuous | 164401 | 26725 |
Implicit Integers | 0 | 0 |
Fixed Variables | 1 | 0 |
Nonzero Density | 1.01637e-05 | 7.93223e-05 |
Nonzeroes | 549920 | 106718 |
Original | Presolved | |
---|---|---|
Total | 328818 | 50120 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 118493 | 0 |
Aggregations | 0 | 0 |
Precedence | 36827 | 21106 |
Variable Bound | 164400 | 23593 |
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 | 1 | 1 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 9097 | 5420 |
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 | 3.257439 | ||||
Constraint % | 0.0020000 | 0.0059800 | 0.0020000 | 0.494812 | |
Variable % | 0.0107956 | 0.0269732 | 0.0107956 | 1.943210 | |
Score | 0.107784 |
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 |
---|---|---|---|---|---|---|---|---|
1 | -922 | -922 | 0 | 0 | 0 | - | 2018-10-10 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to map14860-20 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
map18 | easy | 164547 | 146 | 0 | 164401 | 328818 | 549920 | Kiyan Ahmadizadeh | map | -847 | benchmark_suitable precedence variable_bound knapsack mixed_binary |
map10 | easy | 164547 | 146 | 0 | 164401 | 328818 | 549920 | Kiyan Ahmadizadeh | map | -495 | benchmark benchmark_suitable precedence variable_bound knapsack mixed_binary |
map06 | easy | 164547 | 146 | 0 | 164401 | 328818 | 549920 | Kiyan Ahmadizadeh | map | -289 | benchmark_suitable precedence variable_bound knapsack mixed_binary |
map16715-04 | easy | 164547 | 146 | 0 | 164401 | 328818 | 549920 | Kiyan Ahmadizadeh | map | -111 | benchmark benchmark_suitable precedence variable_bound knapsack mixed_binary |
neos-3209462-rhin | hard | 56453 | 383 | 0 | 56070 | 170226 | 447473 | Jeff Linderoth | neos-pseudoapplication-98 | 12 | aggregations precedence variable_bound set_partitioning set_covering cardinality invariant_knapsack mixed_binary |
No bibliographic information available