ns2071214

benchmark_suitable precedence variable_bound set_partitioning set_packing set_covering cardinality invariant_knapsack mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 2720 6250 1.26318e-03 easy neos-pseudoapplication-46 507 ns2071214.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 2720 2710
Constraints 6250 5714
Binaries 2220 2220
Integers 0 0
Continuous 500 490
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00126318 0.00131186
Nonzeroes 21474 20314
Constraint Classification Properties
Original Presolved
Total 6250 5714
Empty 1 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 195 195
Variable Bound 2940 2450
Set Partitioning 344 344
Set Packing 50 148
Set Covering 211 15
Cardinality 157 157
Invariant Knapsack 0 245
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 2352 2160
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 2.482874
Constraint % 0.0195465 0.174048 0.117279 5.04300
Variable % 0.0821018 0.287627 0.205255 7.06076
Score 0.522035

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
1 507 507 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to ns2071214 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-5221106-oparau open 25445 25120 0 325 13897 245756 Hans Mittelmann neos-pseudoapplication-46 64.29999999346* precedence variable_bound set_partitioning cardinality knapsack mixed_binary
neos-2294525-abba hard 10842 10086 0 756 11122 80010 Jeff Linderoth neos-pseudoapplication-46 321.1522319 decomposition precedence set_partitioning cardinality mixed_binary
neos-4338804-snowy hard 1344 1260 42 42 1701 6342 Jeff Linderoth neos-pseudoapplication-40 1471 benchmark benchmark_suitable precedence set_covering mixed_binary general_linear
neos-5182409-nasivi easy 2005 1600 0 405 580 14884 Jeff Linderoth neos-pseudoapplication-32 301.99999992 benchmark_suitable aggregations set_partitioning set_packing invariant_knapsack mixed_binary general_linear
ns930473 open 11328 11176 0 152 23240 121764 NEOS Server Submission neos-pseudoapplication-46 858744* variable_bound set_partitioning cardinality mixed_binary

Reference

No bibliographic information available

Last Update Aug 28, 2019 by Gregor Hendel
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