Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
A. Zymolka | 200 | 100 | 2.8e-02 | easy | enlight | 37 | enlight_hard.mps.gz |
Model to solve instance of a combinatorial game ``EnLight’’ Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 200 | 200 |
Constraints | 100 | 100 |
Binaries | 100 | 102 |
Integers | 100 | 98 |
Continuous | 0 | 0 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.028 | 0.028 |
Nonzeroes | 560 | 560 |
Original | Presolved | |
---|---|---|
Total | 100 | 100 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 0 | 0 |
Aggregations | 0 | 0 |
Precedence | 0 | 0 |
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 | 2 |
Bin Packing | 0 | 0 |
Knapsack | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 0 | 0 |
General Linear | 100 | 98 |
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 | 0.30103 | ||||
Constraint % | 36 | 36 | 36 | 36 | |
Variable % | 50 | 50 | 50 | 50 | |
Score | 0.18000 |
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 | 37 | 37 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to enlight_hard 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
enlight11 | easy | 242 | 121 | 121 | 0 | 121 | 682 | A. Zymolka | enlight | Infeasible | infeasible equation_knapsack general_linear |
enlight9 | easy | 162 | 81 | 81 | 0 | 81 | 450 | A. Zymolka | enlight | Infeasible | infeasible equation_knapsack general_linear |
enlight8 | easy | 128 | 64 | 64 | 0 | 64 | 352 | A. Zymolka | enlight | 27 | equation_knapsack general_linear |
enlight4 | easy | 32 | 16 | 16 | 0 | 16 | 80 | A. Zymolka | enlight | Infeasible | infeasible equation_knapsack general_linear |
timtab1 | easy | 397 | 77 | 94 | 226 | 171 | 829 | C. Liebchen, R. Möhring | timtab | 764771.99999978 | benchmark benchmark_suitable aggregations mixed_binary general_linear |
No bibliographic information available