Submitter Variables Constraints Density Status Group Objective MPS File
Daniel Espinoza 12292 97389 2.01519e-04 open rmine -2508.404144 rmine11.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 12292 12292
Constraints 97389 97389
Binaries 12292 12292
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000201519 0.000201519
Nonzeroes 241240 241240
Constraint Classification Properties
Original Presolved
Total 97389 97389
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 97367 97367
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 22 22
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 -2508.404 -2508.404 0 0 0 - 2018-10-12 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to rmine11 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*
rmine15 42438 42438 0 0 358395 879732 Daniel Espinoza rmine open -5018.006238*
opm2-z8-s0 3200 3200 0 0 63608 152793 Daniel Espinoza opm2 easy -15775
opm2-z10-s4 6250 6250 0 0 160633 371240 Daniel Espinoza opm2 hard -33269
opm2-z7-s8 2023 2023 0 0 31798 79756 Daniel Espinoza opm2 easy -11242

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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