MIPLIB 2017 Infeas

nursesched-sprint02

dual-infeasible

The instance

as published
Variables
10,250
Constraints
3,522
Nonzeros
204,000
Format
MPS, gzipped

Where it comes from

provenance

The source instance's LP relaxation is feasible with a bounded optimum. Removing the elements below makes the objective unbounded, and putting any one of them back makes it bounded again.

Bounds dropped
6
Rows dropped
0

What was removed

6 entries
lb of rw(N8,8,18)lb of rw(N8,9,19)lb of rw(N8,1,25)ub of rw(N8,1,18)ub of rw(N8,9,25)ub of rw(N8,8,19)

6 of 6 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →