Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
MIPLIB submission pool | 490 | 540 | 4.62963e-03 | easy | exp_and_fc | 28.99999999999999 | nexp-50-20-1-1.mps.gz |
Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 490 | 466 |
Constraints | 540 | 283 |
Binaries | 245 | 233 |
Integers | 0 | 0 |
Continuous | 245 | 233 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.00462963 | 0.00706714 |
Nonzeroes | 1225 | 932 |
Original | Presolved | |
---|---|---|
Total | 540 | 283 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 245 | 0 |
Aggregations | 0 | 0 |
Precedence | 0 | 0 |
Variable Bound | 245 | 233 |
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 | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 50 | 50 |
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 | 2.267172 | ||||
Constraint % | 0.353357 | 0.462821 | 0.353357 | 5.65371 | |
Variable % | 0.429185 | 0.543478 | 0.429185 | 6.00858 | |
Score | 0.840231 |
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 | 29 | 29 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to nexp-50-20-1-1 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
nexp-150-20-1-5 | easy | 4470 | 2235 | 0 | 2235 | 4620 | 11175 | MIPLIB submission pool | exp_and_fc | 66 | decomposition variable_bound mixed_binary |
mc7 | easy | 3040 | 1520 | 0 | 1520 | 1920 | 6080 | F. Ortega, L. Wolsey | mc | 3417 | decomposition benchmark_suitable variable_bound mixed_binary |
mc8 | easy | 3040 | 1520 | 0 | 1520 | 1920 | 6080 | F. Ortega, L. Wolsey | mc | 1566 | decomposition benchmark_suitable variable_bound mixed_binary |
beasleyC3 | easy | 2500 | 1250 | 0 | 1250 | 1750 | 5000 | F. Ortega, L. Wolsey | beasley | 753.9999999999128 | benchmark decomposition benchmark_suitable aggregations variable_bound mixed_binary |
mc11 | easy | 3040 | 1520 | 0 | 1520 | 1920 | 6080 | F. Ortega, L. Wolsey | mc | 11688.99999999966 | benchmark decomposition benchmark_suitable variable_bound mixed_binary |
No bibliographic information available