Sparsity pattern

p80x400b

Namep80x400b
Downloadp80x400b.mps.gz
Solutionp80x400b.sol.gz
Set Membership Tree
Problem StatusEasy
Problem FeasibilityFeasible
Originator/ContributorF. Ortega, L. Wolsey
Rows480
Cols800
Num. non-zeros in A1600
Num. non-zeros in c770
Rows/Cols0.6
Integers
Binaries400
Continuous400
min nonzero |Aij|1
max |Aij|800
min nonzero |cj|1
max |cj|1000
Integer Objective39667
LP Objective6418.8
Aggregation2
Variable Bound400
Set partitioning
Set packing
Set covering
Cardinality
Equality Knapsacks
Bin packing
Invariant Knapsack
Knapsacks
Integer Knapsack
Mixed 0/178
General Cons.
References OrtegaWolsey2003

Fixed cost network flow problems


Last Update February 28, 2017 by Gerald Gamrath
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