Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 1576 737 4.53202e-03 easy 1418 nh97_tension.mps.gz

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 1576 1492
Constraints 737 737
Binaries 257 263
Integers 361 351
Continuous 958 878
Implicit Integers 0 0
Fixed Variables 80 0
Nonzero Density 0.00453202 0.00438885
Nonzeroes 5264 4826
Constraint Classification Properties
Original Presolved
Total 737 737
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 32
Precedence 0 0
Variable Bound 0 0
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 376 354
General Linear 361 351
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 0.301030
Constraint % 52.3745 52.3745 52.3745 52.3745
Variable % 51.0490 51.0490 51.0490 51.0490
Score 0.256379

Best Known Solution(s)

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 1418 1418 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to nh97_tension 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 Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Status Objective
timtab1 397 77 94 226 171 829 C. Liebchen, R. Möhring timtab easy 764772
icir97_tension 2494 262 573 1659 1203 22333 MIPLIB submission pool easy 6375
ic97_tension 703 176 4 523 319 2070 MIPLIB submission pool easy 3942
timtab1CUTS 397 77 94 226 371 1742 C. Liebchen, R. Möhring timtab easy 764772
icir97_potential 2112 1235 422 455 3314 9942 MIPLIB submission pool open 6325*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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