sct2

benchmark benchmark_suitable precedence invariant_knapsack knapsack mixed_binary general_linear

Submitter Variables Constraints Density Status Group Objective MPS File
Siemens 5885 2151 1.86774e-03 easy sct -230.9891623 sct2.mps.gz

Assembly line balancing for printed circuit board production Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 5885 3609
Constraints 2151 1606
Binaries 2872 2146
Integers 0 1
Continuous 3013 1462
Implicit Integers 0 1
Fixed Variables 1868 0
Nonzero Density 0.00186774 0.00346236
Nonzeroes 23643 20068
Constraint Classification Properties
Original Presolved
Total 2151 1606
Empty 0 0
Free 0 0
Singleton 136 0
Aggregations 0 0
Precedence 1504 1110
Variable Bound 0 0
Set Partitioning 0 0
Set Packing 0 0
Set Covering 0 0
Cardinality 0 0
Invariant Knapsack 1 1
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 4 4
Integer Knapsack 0 0
Mixed Binary 506 490
General Linear 0 1
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 3.018701
Constraint % 0.0622665 0.0662664 0.0622665 4.23412
Variable % 0.0552029 0.0569759 0.0552029 1.90450
Score 0.689994

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 -230.9892 -230.9892 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to sct2 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 Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
sct31 easy 8515 5520 0 2995 3932 68453 Siemens sct -29.31709163566364 aggregations precedence invariant_knapsack knapsack mixed_binary general_linear
sct1 open 22886 10312 0 12574 12154 105571 Siemens sct -187.527650839031* decomposition aggregations precedence variable_bound invariant_knapsack knapsack mixed_binary general_linear
sct5 open 37265 23004 0 14261 13304 147037 Siemens sct -228.119492755556* decomposition aggregations precedence invariant_knapsack knapsack mixed_binary general_linear
sct32 hard 9767 7728 0 2039 5440 109654 Siemens sct -17.8875590846509 decomposition aggregations precedence set_partitioning set_covering invariant_knapsack knapsack mixed_binary general_linear
gus-sch easy 5475 2736 2736 3 5984 33135 Alexandra M. Newman -1167 decomposition aggregations precedence variable_bound set_packing set_covering cardinality invariant_knapsack integer_knapsack mixed_binary general_linear

Reference

No bibliographic information available

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