Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 353 274 1.45675e-02 easy 7.598985 blend2.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 353 336
Constraints 274 186
Binaries 239 227
Integers 25 91
Continuous 89 18
Implicit Integers 0 71
Fixed Variables 8 0
Nonzero Density 0.0145675 0.0210093
Nonzeroes 1409 1313
Constraint Classification Properties
Original Presolved
Total 274 186
Empty 0 0
Free 0 0
Singleton 88 0
Aggregations 9 17
Precedence 0 0
Variable Bound 88 88
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 68 0
General Linear 21 81
Indicator 0 0

Structure

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

value min median mean max
Components 1.949390
Constraint % 1.075270 1.07527 1.07527 1.07527
Variable % 0.895522 1.13297 1.19403 1.19403
Score 0.935516

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 7.598985 7.598985 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to blend2 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
rout 556 300 15 241 291 2431 MIPLIB submission pool easy 1077.56000
danoint 521 56 0 465 664 3232 Daniel Bienstock dano easy 65.66667
aflow30a 842 421 0 421 479 2091 T. Achterberg aflow easy 1158.00000
newdano 505 56 0 449 576 2184 Daniel Bienstock dano easy 65.66667
bienst2 505 35 0 470 576 2184 H. Mittelmann easy 54.60000

Reference

No bibliographic information available

Last Update Nov 17, 2018 by Gregor Hendel
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