supportcase23

decomposition precedence mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
Michael Winkler 24275 40502 1.64287e-04 open -12160.6593559088* supportcase23.mps.gz

MIP instances collected from Gurobi forum with unknown application

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 24275 24275
Constraints 40502 40502
Binaries 6250 6250
Integers 0 0
Continuous 18025 18025
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000164287 0.000164287
Nonzeroes 161525 161525
Constraint Classification Properties
Original Presolved
Total 40502 40502
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 250 250
Variable Bound 0 0
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 40252 40252
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 2.401401
Constraint % 0.002470 0.334458 0.335786 0.335786
Variable % 0.395469 0.397996 0.395469 1.029870
Score 0.836169

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion
ID Objective Exact Int. Viol Cons. Viol Obj. Viol Submitter Date Description
2 -12160.66 2e-07 1e-07 0e+00 Robert Ashford and Alkis Vazacopoulus 2019-12-18 Found using ODH|CPlex
1 -12121.57 -12121.57 4e-07 9e-07 3e-06 - 2018-10-15 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase23 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 Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
dell easy 626 105 0 521 500 4580 MIPLIB submission pool Infeasible infeasible aggregations precedence variable_bound mixed_binary
irish-electricity easy 61728 9888 0 51840 104259 523257 Paula Carroll 3723497.591396 benchmark benchmark_suitable precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary
neos-1445532 easy 14406 1999 0 12407 1924 27736 NEOS Server Submission neos-pseudoapplication-88 -17041 aggregations invariant_knapsack mixed_binary
uccase10 open 110818 16800 0 94018 196498 787045 Daniel Espinoza uccase 39134.295915* aggregations precedence variable_bound mixed_binary
supportcase7 easy 138844 451 14 138379 6532 2845545 Michael Winkler -1132.223177 benchmark benchmark_suitable precedence variable_bound invariant_knapsack mixed_binary

Reference

No bibliographic information available

Last Update Mar 04, 2024 by Julian Manns
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