neos-4292145-piako

aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear

Submitter Variables Constraints Density Status Group Objective MPS File
Jeff Linderoth 32950 75834 7.61131e-05 open neos-pseudoapplication-57 29160.50026450142* neos-4292145-piako.mps.gz

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 32950 32670
Constraints 75834 75282
Binaries 13370 13330
Integers 0 10
Continuous 19580 19330
Implicit Integers 0 10
Fixed Variables 0 0
Nonzero Density 7.61131e-05 7.67989e-05
Nonzeroes 190186 188884
Constraint Classification Properties
Original Presolved
Total 75834 75282
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 2900 2900
Precedence 14344 14346
Variable Bound 36050 35570
Set Partitioning 0 0
Set Packing 0 0
Set Covering 0 0
Cardinality 0 0
Invariant Knapsack 2360 2350
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 20180 20106
General Linear 0 10
Indicator 0 0

Structure

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

value min median mean max
Components 3.362294
Constraint % 0.0172684 0.0288034 0.0172684 11.7133
Variable % 0.0122026 0.0332788 0.0183038 17.2849
Score 0.622484

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
6 29160.5 30046.9 8.9e-06 0e+00 0.00e+00 Edward Rothberg 2020-09-14 Found with Gurobi
5 29609.5 29609.5 0.0e+00 1e-06 0.00e+00 Edward Rothberg 2020-07-17 Obtained with the Gurobi 9.0 solution improvement heuristic
4 32197.0 33670.1 6.2e-06 2e-07 1.06e-05 Edward Rothberg 2020-06-11 Obtained with Gurobi 9.0 using the solution improvement heuristic
3 37191.2 0.0e+00 7e-07 0.00e+00 Edward Rothberg 2019-12-13 Obtained with Gurobi 9.0
2 37302.0 0.0e+00 2e-07 0.00e+00 Robert Ashford and Alkis Vazacopoulus 2019-12-18 Found using ODH|CPlex
1 112705.8 112705.8 0.0e+00 0e+00 0.00e+00 - 2018-10-16 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-4292145-piako 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-4230265-orari open 32980 13380 10 19590 76374 189026 Jeff Linderoth neos-pseudoapplication-57 81765.21022354232* numerics aggregations precedence variable_bound set_covering invariant_knapsack mixed_binary general_linear
neos-4264598-oueme open 54550 13370 0 41180 54714 191146 Jeff Linderoth neos-pseudoapplication-57 6038453.676499* numerics aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear
neos-4358725-tagus open 11494 4898 0 6596 22777 59925 Jeff Linderoth neos-pseudoapplication-57 4206.140099965* numerics aggregations precedence variable_bound set_partitioning invariant_knapsack mixed_binary general_linear
minutedispatchstrategy open 41761 20156 0 21605 80194 239480 Mark Husted 3109.903477759654* numerics precedence variable_bound invariant_knapsack mixed_binary
neos-4232544-orira open 87060 38280 5700 43080 180600 492456 Jeff Linderoth neos-pseudoapplication-57 17540506.0* numerics aggregations precedence variable_bound set_partitioning set_packing set_covering invariant_knapsack integer_knapsack mixed_binary general_linear

Reference

No bibliographic information available

Last Update Mar 04, 2024 by Julian Manns
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