| Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
|---|---|---|---|---|---|---|---|
| Pelin Damci-Kurt | 14488 | 31925 | 3.38093e-04 | easy | physiciansched | 21100 | physiciansched5-3.mps.gz |
Physician scheduling problem for hospitalist, radiology and kidney specialist groups.
Detailed explanation of the following tables can be found here.
| Original | Presolved | |
|---|---|---|
| Variables | 14488 | 9488 |
| Constraints | 31925 | 18650 |
| Binaries | 11501 | 6870 |
| Integers | 0 | 0 |
| Continuous | 2987 | 2618 |
| Implicit Integers | 0 | 0 |
| Fixed Variables | 365 | 0 |
| Nonzero Density | 0.000338093 | 0.000496465 |
| Nonzeroes | 156378 | 87850 |
| Original | Presolved | |
|---|---|---|
| Total | 31925 | 18650 |
| Empty | 393 | 0 |
| Free | 0 | 0 |
| Singleton | 363 | 0 |
| Aggregations | 0 | 0 |
| Precedence | 6457 | 5688 |
| Variable Bound | 16081 | 7677 |
| Set Partitioning | 0 | 0 |
| Set Packing | 742 | 727 |
| Set Covering | 1681 | 1336 |
| Cardinality | 0 | 0 |
| Invariant Knapsack | 1314 | 786 |
| Equation Knapsack | 0 | 0 |
| Bin Packing | 1200 | 681 |
| Knapsack | 342 | 0 |
| Integer Knapsack | 0 | 0 |
| Mixed Binary | 3352 | 1755 |
| 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 | 1.568202 | ||||
| Constraint % | 0.0053600 | 2.51638 | 0.107239 | 25.0617 | |
| Variable % | 0.0187758 | 1.98919 | 0.197146 | 18.7101 | |
| Score | 0.784563 |
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 | 21100 | 21100 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to physiciansched5-3 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.
No bibliographic information available