tp071.apm
Model tp071
! Source version 2
Variables
x[1] = 1, >= 1, <= 5
x[2] = 5, >= 1, <= 5
x[3] = 5, >= 1, <= 5
x[4] = 1, >= 1, <= 5
obj
End Variables
Equations
x[1]*x[2]*x[3]*x[4] - 25 >= 0
x[1]^2 + x[2]^2 + x[3]^2 + x[4]^2 - 40 = 0
obj = x[1]*x[4]*(x[1] + x[2] + x[3]) + x[3]
! best known objective = 17.0140172891563
! begin of best known solution
! x[1] = 1
! x[2] = 4.742999637264417
! x[3] = 3.821149984184874
! x[4] = 1.379408293172672
! end of best known solution
End Equations
End Model
Stephan K.H. Seidl