Submitter Variables Constraints Density Status Group Objective MPS File
Daniel Espinoza 162547 1441651 1.49993e-05 open rmine -2645.00475 rmine21.mps.gz

Instance coming from open pit mining over a cube considering multiple time periods and two knapsack constraints per period

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 162547 162547
Constraints 1441651 1441651
Binaries 162547 162547
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 1.49993e-05 1.49993e-05
Nonzeroes 3514880 3514880
Constraint Classification Properties
Original Presolved
Total 1441651 1441651
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 1441609 1441609
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 42 42
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
Constraint %
Variable %
Score

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 -2645.005 -2645.005 0 0 0 - 2018-10-10 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to rmine21 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
rmine25 326599 326599 0 0 2953849 7182740 Daniel Espinoza rmine open -2553.479442*
rmine15 42438 42438 0 0 358395 879732 Daniel Espinoza rmine open -5018.006238*
rmine13 23980 23980 0 0 197155 485784 Daniel Espinoza rmine open -3494.715232*
opm2-z12-s8 10800 10800 0 0 319508 725377 Daniel Espinoza opm2 open -58395*
rmine11 12292 12292 0 0 97389 241240 Daniel Espinoza rmine open -2508.404144*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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