| Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
|---|---|---|---|---|---|---|---|
| J. Linderoth | 28599 | 75 | 1.46782e-01 | easy | eil | 762.514781999996 | eilC76-2.mps.gz |
Set partitioning problem approximation for capicated vehicle routing problem instance from TSPLIB Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
| Original | Presolved | |
|---|---|---|
| Variables | 28599 | 28599 |
| Constraints | 75 | 75 |
| Binaries | 28599 | 28599 |
| Integers | 0 | 0 |
| Continuous | 0 | 0 |
| Implicit Integers | 0 | 0 |
| Fixed Variables | 0 | 0 |
| Nonzero Density | 0.146782 | 0.146782 |
| Nonzeroes | 314837 | 314837 |
| Original | Presolved | |
|---|---|---|
| Total | 75 | 75 |
| Empty | 0 | 0 |
| Free | 0 | 0 |
| Singleton | 0 | 0 |
| Aggregations | 0 | 0 |
| Precedence | 0 | 0 |
| Variable Bound | 0 | 0 |
| Set Partitioning | 75 | 75 |
| Set Packing | 0 | 0 |
| Set Covering | 0 | 0 |
| Cardinality | 0 | 0 |
| Invariant Knapsack | 0 | 0 |
| Equation Knapsack | 0 | 0 |
| Bin Packing | 0 | 0 |
| Knapsack | 0 | 0 |
| 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 | 0.30103 | ||||
| Constraint % | 100 | 100 | 100 | 100 | |
| Variable % | 100 | 100 | 100 | 100 | |
| Score | 0.00000 |
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 | 762.5148 | 725.7545 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to eilC76-2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| eilA101-2 | easy | 65832 | 65832 | 0 | 0 | 100 | 959373 | J. Linderoth | eil | 880.9201079999999 | benchmark binary benchmark_suitable set_partitioning |
| nw04 | easy | 87482 | 87482 | 0 | 0 | 36 | 636666 | MIPLIB submission pool | – | 16862 | benchmark binary benchmark_suitable set_partitioning |
| eil33-2 | easy | 4516 | 4516 | 0 | 0 | 32 | 44243 | J. Linderoth | eil | 934.007915999999 | benchmark binary benchmark_suitable set_partitioning |
| ivu06 | open | 787239 | 787239 | 0 | 0 | 1177 | 8032303 | S. Weider | ivu | 142.86* | binary set_partitioning |
| ds-big | open | 174997 | 174997 | 0 | 0 | 1042 | 4623442 | Steffen Weider | – | 194.58674798* | binary set_partitioning |
No bibliographic information available