Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
MIPLIB submission pool | 20115 | 4620 | 4.5695e-04 | easy | exp_and_fc | 231 | nexp-150-20-8-5.mps.gz |
Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 20115 | 18405 |
Constraints | 4620 | 4240 |
Binaries | 17880 | 16360 |
Integers | 0 | 0 |
Continuous | 2235 | 2045 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.000456950 | 0.000497904 |
Nonzeroes | 42465 | 38855 |
Original | Presolved | |
---|---|---|
Total | 4620 | 4240 |
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 | 2235 | 2045 |
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 | 2385 | 2195 |
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 | 3.310906 | ||||
Constraint % | 0.0235849 | 0.0235849 | 0.0235849 | 0.0235849 | |
Variable % | 0.0434664 | 0.0434664 | 0.0434664 | 0.0434664 | |
Score | 0.482102 |
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 | 231 | 231 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to nexp-150-20-8-5 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-50-20-4-2 | easy | 1225 | 980 | 0 | 245 | 540 | 2695 | MIPLIB submission pool | exp_and_fc | 70.99999999999999 | decomposition set_packing mixed_binary |
neos-3581454-haast | easy | 8112 | 7512 | 0 | 600 | 17220 | 92976 | Jeff Linderoth | neos-pseudoapplication-14 | 2295 | decomposition benchmark_suitable precedence variable_bound set_partitioning set_packing invariant_knapsack knapsack mixed_binary |
neos-3209519-ruhr | easy | 8675 | 8000 | 0 | 675 | 12500 | 61725 | Jeff Linderoth | neos-pseudoapplication-14 | 467.5 | decomposition benchmark_suitable variable_bound set_partitioning cardinality knapsack mixed_binary |
neos-4954672-berkel | easy | 1533 | 630 | 0 | 903 | 1848 | 8007 | Jeff Linderoth | neos-pseudoapplication-43 | 2612710 | benchmark benchmark_suitable aggregations variable_bound mixed_binary |
g503inf | easy | 48 | 24 | 0 | 24 | 41 | 144 | MIPLIB submission pool | – | Infeasible | infeasible variable_bound binpacking knapsack mixed_binary |
No bibliographic information available