Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 6612 3364 5.9453e-04 easy 13655 brasil.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 6612 6612
Constraints 3364 3364
Binaries 3306 3306
Integers 0 0
Continuous 3306 3306
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00059453 0.00059453
Nonzeroes 13224 13224
Constraint Classification Properties
Original Presolved
Total 3364 3364
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 3306 3306
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 58 58
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 3.519434
Constraint % 0.0297265 0.0297265 0.0297265 0.0297265
Variable % 0.0302480 0.0302480 0.0302480 0.0302480
Score 0.982461

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 13655 13655 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to brasil 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
berlin 5304 2652 0 2652 2704 10608 MIPLIB submission pool easy 62
thor50dday 106261 53131 0 53130 53360 212060 Daniel Rehfeldt hard 40417
mc7 3040 1520 0 1520 1920 6080 F. Ortega, L. Wolsey mc easy 3417
mc11 3040 1520 0 1520 1920 6080 F. Ortega, L. Wolsey mc easy 11689
mc8 3040 1520 0 1520 1920 6080 F. Ortega, L. Wolsey mc easy 1566

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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