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Delivery: Infeasibility analysis with IIS

Description
A simple supply and demand network example demonstrating infeasibility analysis with IIS.
  • simple LP model
  • data input from file
  • retrieving IIS and printing out the names of all variables and constraints contained in the sets

delvriis.zip[download all files]

Source Files
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delvriis.mos[download]

Data Files
cost.dat[download]
ifvan.dat[download]




ifvan.dat

! Delivery Problem
! Data File: ifvan.dat
!
! Table IFVAN: Contains non-zero if route requires vans
!
!
! TO  London Livpol Doncst  York   Hull  Manchr Shffld   ! FROM
        1,     1,     0,     1                           ! London
        0,     1,     1,     0,     1,     1             ! Luton
        0
        0
        0
        0                       
        0
        0
        0
        1,     1,     1,     1,     1                    ! Scnthp
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