Submitter Variables Constraints Density Status Group Objective MPS File
Daniel Espinoza 42438 358395 5.78407e-05 open rmine -5018.006238 rmine15.mps.gz

Set of instances comming from open pit minning over a cube and several time periods and two knapsack constraints per period

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 42438 42438
Constraints 358395 358395
Binaries 42438 42438
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 5.78407e-05 5.78407e-05
Nonzeroes 879732 879732
Constraint Classification Properties
Original Presolved
Total 358395 358395
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 358365 358365
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 30 30
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 0.30103
Constraint % 100 100 100 100
Variable % 100 100 100 100
Score 0.00000

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 -5018.006 -5018.006 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to rmine15 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 Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Status Objective
rmine13 23980 23980 0 0 197155 485784 Daniel Espinoza rmine open -3494.715232*
rmine11 12292 12292 0 0 97389 241240 Daniel Espinoza rmine open -2508.404144*
rmine21 162547 162547 0 0 1441651 3514880 Daniel Espinoza rmine open -2645.00475*
opm2-z12-s8 10800 10800 0 0 319508 725377 Daniel Espinoza opm2 open -58395*
opm2-z10-s4 6250 6250 0 0 160633 371240 Daniel Espinoza opm2 hard -33269

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
generated with R Markdown
© 2018 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
Imprint