Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 2494 1203 7.44363e-03 easy 6375 icir97_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 2494 2324
Constraints 1203 1179
Binaries 262 261
Integers 573 573
Continuous 1659 1490
Implicit Integers 0 0
Fixed Variables 167 0
Nonzero Density 0.00744363 0.00627556
Nonzeroes 22333 17195
Constraint Classification Properties
Original Presolved
Total 1203 1179
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 115
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 630 491
General Linear 573 573
Indicator 0 0

Structure

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

value min median mean max
Components 1.724276
Constraint % 0.0848176 0.988452 0.0848176 31.2977
Variable % 0.0802246 0.898670 0.0802246 28.0385
Score 0.420908

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 6375 6375 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to icir97_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
ic97_tension 703 176 4 523 319 2070 MIPLIB submission pool easy 3942
nh97_tension 1576 257 361 958 737 5264 MIPLIB submission pool easy 1418
timtab1CUTS 397 77 94 226 371 1742 C. Liebchen, R. Möhring timtab easy 764772
csched007 1758 1457 0 301 351 6379 Tallys Yunes csched easy 351
nag 2884 1350 35 1499 5840 26499 N. Shenoy open 1034.9999999*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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