neos-872648

decomposition precedence variable_bound mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 175219 93291 2.14383e-05 easy neos-pseudoapplication-61 48.60790603143 neos-872648.mps.gz

Imported from the MIPLIB2010 submissions. The instance was solved using up to 48 threads in 4000 sec. using Gurobi 9.0. Solved with COPT 7.0 using up to 12 threads in less than 30 minutes.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 175219 175151
Constraints 93291 93265
Binaries 87575 87575
Integers 0 0
Continuous 87644 87576
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 2.14383e-05 2.14428e-05
Nonzeroes 350438 350278
Constraint Classification Properties
Original Presolved
Total 93291 93265
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 818 795
Variable Bound 87575 87584
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 4898 4886
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 4.938470
Constraint % 0.00107 0.00109 0.00107 0.00429
Variable % 0.00114 0.00115 0.00114 0.00228
Score 0.947601

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 48.60791 0e+00 0 0 Hans Mittelmann 2019-12-09 Optimal solution found with Gurobi 9.0 using up to 48 threads in 4000 sec.
1 48.60791 3e-07 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-872648 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
neos-873061 easy 175288 87644 0 87644 93360 350576 NEOS Server Submission neos-pseudoapplication-61 113.6562385063 benchmark decomposition benchmark_suitable precedence variable_bound mixed_binary
neos-3755335-nizao easy 40938 5226 0 35712 111026 547794 Jeff Linderoth neos-pseudoapplication-61 50.0301565326 benchmark_suitable precedence variable_bound set_partitioning set_packing invariant_knapsack binpacking knapsack mixed_binary
neos-3759587-noosa easy 27029 4289 0 22740 72104 318169 Jeff Linderoth neos-pseudoapplication-61 48.334467769 benchmark_suitable precedence variable_bound set_partitioning set_packing invariant_knapsack binpacking knapsack mixed_binary
in hard 1449074 1489 0 1447585 1526202 6811639 Armin Fuegenschuh 58 aggregations variable_bound mixed_binary
supportcase37 easy 20047 1484 0 18563 59023 135627 Domenico Salvagnin -1048.96 benchmark_suitable aggregations precedence variable_bound set_partitioning set_packing invariant_knapsack mixed_binary

Reference

No bibliographic information available

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