dsbmip

aggregations precedence variable_bound set_partitioning mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
MIPLIB submission pool	1886	1182	3.30425e-03	easy	–	-305.19817501	dsbmip.mps.gz

Imported from the MIPLIB2010 submissions.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	1886	1799
Constraints	1182	1182
Binaries	192	160
Integers	0	0
Continuous	1694	1639
Implicit Integers	0	0
Fixed Variables	87	0
Nonzero Density	0.00330425	0.00340808
Nonzeroes	7366	7247

Constraint Classification Properties
	Original	Presolved
Total	1233	1233
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	24	24
Precedence	0	16
Variable Bound	521	521
Set Partitioning	40	40
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	648	632
General Linear	0	0
Indicator	0	0

Structure

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

Nonzero entries of original problem

Nonzero entries after trivial presolving

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

	value	min	median	mean	max
Components	2.336460
Constraint %		0.0832639	0.230132	0.166528	0.832639
Variable %		0.1097690	0.149154	0.109769	0.329308
Score	0.474056

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	-305.1982	-305.1982	0	0.0058568	1.3e-06	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to dsbmip 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	Continuous	Constraints	Nonz.	Submitter	Group	Objective	Tags
misc04inf	easy	4897	30	4867	1726	17253	MIPLIB submission pool	misc	Infeasible	infeasible aggregations precedence variable_bound set_packing mixed_binary general_linear
dcmulti	easy	548	75	473	290	1315	MIPLIB submission pool	–	188182	decomposition precedence variable_bound set_packing cardinality invariant_knapsack mixed_binary
a1c1s1	easy	3648	192	3456	3312	10178	M. Vyve, Y. Pochet	c1s1	11503.444125	benchmark_suitable aggregations variable_bound mixed_binary
a2c1s1	easy	3648	192	3456	3312	10178	M. Vyve, Y. Pochet	c1s1	10889.137625	benchmark_suitable aggregations variable_bound mixed_binary
transportmoment	easy	9685	2456	7229	9616	29541	G. Gamrath	–	-3063103721.717	numerics aggregations variable_bound mixed_binary

Reference

No bibliographic information available