Submitter Variables Constraints Density Status Group Objective MPS File
Daniel Espinoza 23980 197155 1.02751e-04 open rmine -3494.715232 rmine13.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 23980 23980
Constraints 197155 197155
Binaries 23980 23980
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000102751 0.000102751
Nonzeroes 485784 485784
Constraint Classification Properties
Original Presolved
Total 197155 197155
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 197129 197129
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 26 26
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 -3494.715 -3494.715 0 0 0 - 2018-10-12 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to rmine13 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
rmine15 42438 42438 0 0 358395 879732 Daniel Espinoza rmine open -5018.006238*
rmine11 12292 12292 0 0 97389 241240 Daniel Espinoza rmine open -2508.404144*
opm2-z10-s4 6250 6250 0 0 160633 371240 Daniel Espinoza opm2 hard -33269
opm2-z12-s8 10800 10800 0 0 319508 725377 Daniel Espinoza opm2 open -58395*
opm2-z8-s0 3200 3200 0 0 63608 152793 Daniel Espinoza opm2 easy -15775

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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