Submitter Variables Constraints Density Status Group Objective MPS File
Kristopher A. Pruitt 154978 277594 1.83392e-05 easy 33283.853236 buildingenergy.mps.gz

Model to determine the minimum cost design and dispatch of a distributed generation system for a commercial building. First solved by Matteo Fischetti and Michele Monaci using a search procedure built on top of Cplex 12.2 (February 2012). Solved by Gurobi 4.6.1 (12 threads) in 1053 seconds (February 2012).

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 154978 154977
Constraints 277594 277593
Binaries 0 0
Integers 26287 26287
Continuous 128691 128690
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 1.83392e-05 1.83393e-05
Nonzeroes 788969 788968
Constraint Classification Properties
Original Presolved
Total 277594 277593
Empty 0 0
Free 0 0
Singleton 1 0
Aggregations 2 2
Precedence 42444 42444
Variable Bound 130038 130038
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 52555 52555
General Linear 52554 52554
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 33283.85 33283.85 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to buildingenergy 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
supportcase35 12941 576 0 12365 6334 29908 Domenico Salvagnin open -314.50002158*
neos-1420546 26055 1125 0 24930 12671 67959 NEOS Server Submission neos-pseudoapplication-9 open 23029.181298*
uccase10 110818 16800 0 94018 196498 787045 Daniel Espinoza uccase open 39134.295915*
neos-1420790 4926 540 0 4386 2310 12720 NEOS Server Submission neos-pseudoapplication-9 open 3124.6860016*
neos-3660371-kurow 4722 144 0 4578 4758 12912 Jeff Linderoth neos-pseudoapplication-9 easy 2270.85

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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