tp035.apm

Model tp035
  ! Source version 1

  Variables
    x[1] = 0.5, >= 0
    x[2] = 0.5, >= 0
    x[3] = 0.5, >= 0
    obj
  End Variables

  Equations
    3 - x[1] - x[2] - 2*x[3] >= 0

    obj = 9 - 8*x[1] - 6*x[2] - 4*x[3] &
        + 2*x[1]^2 + 2*x[2]^2 + x[3]^2 &
        + 2*x[1]*x[2] + 2*x[1]*x[3]

    ! best known objective = 1/9 = 0.1111111111111111
    ! begin of best known solution
    ! x[1] = 4/3 = 1.333333333333333
    ! x[2] = 7/9 = 0.7777777777777778
    ! x[3] = 4/9 = 0.4444444444444444
    ! end of best known solution
  End Equations
End Model