nh97_tension

benchmark_suitable aggregations mixed_binary general_linear

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 Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
timtab1 easy 397 77 94 226 171 829 C. Liebchen, R. Möhring timtab 764772 benchmark benchmark_suitable aggregations mixed_binary general_linear
icir97_tension easy 2494 262 573 1659 1203 22333 MIPLIB submission pool 6375 benchmark benchmark_suitable aggregations mixed_binary general_linear
ic97_tension easy 703 176 4 523 319 2070 MIPLIB submission pool 3942 benchmark_suitable aggregations mixed_binary general_linear
timtab1CUTS easy 397 77 94 226 371 1742 C. Liebchen, R. Möhring timtab 764772 benchmark_suitable aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear
icir97_potential open 2112 1235 422 455 3314 9942 MIPLIB submission pool 6325* precedence mixed_binary general_linear

Reference

No bibliographic information available

Last Update Okt 02, 2019 by Gregor Hendel
generated with R Markdown
© 2019 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
Imprint