Submitter Variables Constraints Density Status Group Objective MPS File
J. Aronson 338 195 1.02564e-02 easy ran 3252 ran13x13.mps.gz

Fixed charge transportation problem

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 338 338
Constraints 195 195
Binaries 169 169
Integers 0 0
Continuous 169 169
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0102564 0.0102564
Nonzeroes 676 676
Constraint Classification Properties
Original Presolved
Total 195 195
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 169 169
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 26 26
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 2.230449
Constraint % 0.512821 0.512821 0.512821 0.512821
Variable % 0.591716 0.591716 0.591716 0.591716
Score 0.861538

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 3252 3252 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to ran13x13 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
ran12x21 504 252 0 252 285 1008 J. Aronson ran easy 3664
gr4x6 48 24 0 24 34 96 MIPLIB submission pool easy 202.349999999998
aflow30a 842 421 0 421 479 2091 T. Achterberg aflow easy 1158
g503inf 48 24 0 24 41 144 MIPLIB submission pool easy Infeasible
gen 870 144 6 720 780 2592 MIPLIB submission pool easy 112313.362718

Reference

No bibliographic information available

Last Update Nov 17, 2018 by Gregor Hendel
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