Submitter Variables Constraints Density Status Group Objective MPS File
J. Walser 10772 12050 3.53529e-04 easy 30_70 9 30_70_45_05_100.mps.gz

Geographic radar station allocation

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 10772 10768
Constraints 12050 12048
Binaries 10771 10768
Integers 0 0
Continuous 1 0
Implicit Integers 0 0
Fixed Variables 1 0
Nonzero Density 0.000353529 0.000353688
Nonzeroes 45889 45885
Constraint Classification Properties
Original Presolved
Total 12050 12048
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 10167 10165
Variable Bound 31 31
Set Partitioning 0 0
Set Packing 0 0
Set Covering 49 49
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 1803 1803
General Linear 0 0
Indicator 0 0

Structure

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

value min median mean max
Components 2.707570
Constraint % 0.0083000 0.167063 0.199203 1.67663
Variable % 0.0185718 0.196299 0.232148 1.92218
Score 0.847813

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 9 9 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to 30_70_45_05_100 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
30_70_45_095_98 10990 10989 0 1 12471 46387 J. Walser 30_70 easy 12.00
30_70_45_095_100 10976 10975 0 1 12526 46640 J. Walser 30_70 easy 3.00
comp08-2idx 11554 11487 67 0 12536 51608 Matias Sørensen coursetimetabling easy 37.00
supportcase40 16440 2000 0 14440 38192 104420 Domenico Salvagnin easy 24256.31
comp07-2idx 17264 17155 109 0 21235 86577 Matias Sørensen coursetimetabling easy 6.00

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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