Submitter Variables Constraints Density Status Group Objective MPS File
J. Walser 10990 12471 3.38452e-04 easy 30_70 12 30_70_45_095_98.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 10990 10978
Constraints 12471 12461
Binaries 10989 10978
Integers 0 0
Continuous 1 0
Implicit Integers 0 0
Fixed Variables 1 0
Nonzero Density 0.000338452 0.000338948
Nonzeroes 46387 46367
Constraint Classification Properties
Original Presolved
Total 12471 12461
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 10445 10435
Variable Bound 5 5
Set Partitioning 0 0
Set Packing 0 0
Set Covering 19 19
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 2002 2002
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 2.692847
Constraint % 0.0080300 0.170597 0.192601 1.30006
Variable % 0.0182166 0.203085 0.227707 1.53019
Score 0.836911

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 12 12 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_095_98 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_100 10976 10975 0 1 12526 46640 J. Walser 30_70 easy 3.00
30_70_45_05_100 10772 10771 0 1 12050 45889 J. Walser 30_70 easy 9.00
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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