cdma

numerics aggregations variable_bound set_packing invariant_knapsack binpacking mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
Serge Bisaillon 7891 9095 2.34402e-03 open -2.48e+16* cdma.mps.gz

3G wireless multiplexing communication model Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 7891 5376
Constraints 9095 7371
Binaries 4235 2969
Integers 0 0
Continuous 3656 2407
Implicit Integers 0 0
Fixed Variables 1 0
Nonzero Density 0.00234402 0.00300779
Nonzeroes 168227 119188
Constraint Classification Properties
Original Presolved
Total 9095 7371
Empty 0 0
Free 0 0
Singleton 1368 0
Aggregations 20 20
Precedence 0 0
Variable Bound 2667 2578
Set Partitioning 0 0
Set Packing 440 440
Set Covering 300 0
Cardinality 0 0
Invariant Knapsack 300 422
Equation Knapsack 0 0
Bin Packing 300 211
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 3700 3700
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 1.707570
Constraint % 0.0271334 0.876679 0.040700 2.83544
Variable % 0.0557517 1.925290 0.241591 6.07694
Score 0.417547

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
4 -2.477848e+16 4.4e-06 0 1.481124 Edward Rothberg 2020-06-11 Obtained with Gurobi 9.0 using the solution improvement heuristic
3 -2.313854e+16 0.0e+00 0 0.806480 Edward Rothberg 2020-04-22 Obtained with Gurobi 9.0 using the solution improvement heuristic
2 -2.296610e+16 1.3e-06 0 2.141083 Edward Rothberg 2019-12-13 Obtained with Gurobi 9.0
1 -2.122397e+16 0.0e+00 0 3400.750245 - 2018-10-12 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to cdma 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
maxgasflow easy 7437 2456 0 4981 7160 19717 G. Gamrath -44565819157.51 decomposition numerics aggregations variable_bound mixed_binary
neos-4333596-skien easy 1005 460 0 545 812 5811 Jeff Linderoth neos-pseudoapplication-43 -14610731.01 benchmark_suitable aggregations precedence variable_bound set_partitioning cardinality mixed_binary
polygonpack3-15 open 44237 44207 0 30 144478 731949 Antonio Frangioni polygonpack -54680307.392604* numerics precedence variable_bound set_packing invariant_knapsack mixed_binary
lrn easy 7253 2455 0 4798 8491 46123 MIPLIB submission pool 44479255.12362 numerics aggregations precedence variable_bound set_partitioning set_packing invariant_knapsack knapsack mixed_binary
bmoipr2 easy 20503 8434 0 12069 13897 54649 Sean MacDermant -46416168.2981393 decomposition numerics aggregations variable_bound set_packing mixed_binary

Reference

No bibliographic information available

Last Update Mar 04, 2024 by Julian Manns
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