Submitter Variables Constraints Density Status Group Objective MPS File
Rob Pratt 975 78 3.84615e-02 easy Infeasible ponderthis0517-inf.mps.gz

Infeasible version of IBM Ponder This problem (with 52 characters and no spaces) from May 2017: https://www.research.ibm.com/haifa/ponderthis/challenges/May2017.html

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 975 975
Constraints 78 78
Binaries 975 975
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0384615 0.0384615
Nonzeroes 2925 2925
Constraint Classification Properties
Original Presolved
Total 78 78
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 0 0
Set Partitioning 26 26
Set Packing 52 52
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 0 0
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 1.431364
Constraint % 1.28205 1.28205 1.28205 1.28205
Variable % 2.56410 3.84615 3.84615 5.12821
Score 0.320513

Best Known Solution(s)

No solution available for ponderthis0517-inf .

Similar instances in collection

The following instances are most similar to ponderthis0517-inf 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
neos-3226448-wkra 10012 10012 0 0 2208 40048 Jeff Linderoth neos-pseudoapplication-103 easy 0
neos-4382714-ruvuma 6562 6561 0 1 3645 32805 Hans Mittelmann neos-pseudoapplication-103 easy Infeasible
10teams 2025 1800 0 225 230 12150 MIPLIB submission pool easy 924
neos-1516309 4500 4500 0 0 489 30400 NEOS Server Submission neos-pseudoapplication-26 easy 35954
neos-1599274 4500 4500 0 0 1237 46800 NEOS Server Submission neos-pseudoapplication-26 easy 32075.6

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
generated with R Markdown
© 2018 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
Imprint