Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Jeff Linderoth | 10842 | 11122 | 6.63517e-04 | easy | neos-pseudoapplication-46 | 321.1522319 | neos-2294525-abba.mps.gz |
Solved with COPT 7.0 using up to 12 threads in less than 30 minutes.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 10842 | 10842 |
Constraints | 11122 | 11122 |
Binaries | 10086 | 10086 |
Integers | 0 | 0 |
Continuous | 756 | 756 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.000663517 | 0.000663517 |
Nonzeroes | 80010 | 80010 |
Original | Presolved | |
---|---|---|
Total | 11122 | 11122 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 0 | 0 |
Aggregations | 0 | 0 |
Precedence | 252 | 252 |
Variable Bound | 0 | 0 |
Set Partitioning | 52 | 52 |
Set Packing | 0 | 0 |
Set Covering | 0 | 0 |
Cardinality | 240 | 240 |
Invariant Knapsack | 0 | 0 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 10578 | 10578 |
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 | 0.845098 | ||||
Constraint % | 16.6067 | 16.6067 | 16.6067 | 16.6067 | |
Variable % | 16.6667 | 16.6667 | 16.6667 | 16.6667 | |
Score | 0.830336 |
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 |
---|---|---|---|---|---|---|---|---|
2 | 321.1522 | 156.1773 | 0 | 0 | 0 | Yuji Shinano | 2019-06-11 | Solved using FiberXpress (M620v3, 20 cores but 16 solver threads) |
1 | 321.1522 | 321.1522 | 0 | 0 | 0 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to neos-2294525-abba 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
ns1905797 | open | 18192 | 17676 | 4 | 512 | 51884 | 239700 | NEOS Server Submission | neos-pseudoapplication-102 | no_solution aggregations precedence variable_bound set_partitioning cardinality mixed_binary general_linear | |
neos-1456979 | easy | 4605 | 4245 | 180 | 180 | 6770 | 36440 | NEOS Server Submission | neos-pseudoapplication-102 | 176 | benchmark decomposition benchmark_suitable variable_bound set_partitioning set_packing cardinality knapsack mixed_binary general_linear |
neos-5266653-tugela | open | 23310 | 22662 | 0 | 648 | 23458 | 171534 | Hans Mittelmann | neos-pseudoapplication-102 | 65505.2005752763* | decomposition precedence set_partitioning cardinality binpacking knapsack mixed_binary |
neos-5221106-oparau | open | 25445 | 25120 | 0 | 325 | 13897 | 245756 | Hans Mittelmann | neos-pseudoapplication-46 | 52.66999999999962* | precedence variable_bound set_partitioning cardinality knapsack mixed_binary |
neos-5260764-orauea | hard | 12940 | 12580 | 0 | 360 | 12304 | 82620 | Hans Mittelmann | neos-pseudoapplication-102 | 82593.16768840607 | decomposition variable_bound set_partitioning cardinality binpacking knapsack mixed_binary |
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