## ams_version=1.0 Model Main_ex8_5_1 { Variable objvar; Variable x2 { Range: nonnegative; } Variable x3 { Range: nonnegative; } Variable x4 { Range: nonnegative; } Variable x5 { Range: nonnegative; } Variable x6; Variable x7; Constraint e1 { Definition: { -(log(x2)*x2 + log(x3)*x3 + log(x4)*x4 + x7/(x5 - x7) - log(x5 - x7) - 2* x6/x5 + 0.430983578191493*x2 + 3.80082402249182*x3 + 2.92297302249182*x4) + objvar = 0 } } Constraint e2 { Definition: POWER(x5,3) - sqr(x5)*(1 + x7) + x6*x5 - x6*x7 = 0; } Constraint e3 { Definition: { -(0.37943*x2*x2 + 0.75885*x2*x3 + 0.48991*x2*x4 + 0.75885*x3*x2 + 0.8836* x3*x3 + 0.23612*x3*x4 + 0.48991*x4*x2 + 0.23612*x4*x3 + 0.63263*x4*x4) + x6 = 0 } } Constraint e4 { Definition: - 0.14998*x2 - 0.14998*x3 - 0.14998*x4 + x7 = 0; } Constraint e5 { Definition: x2 + x3 + x4 = 1; } Procedure MainInitialization { Body: { x2.l := 0.333333333333333; x3.l := 0.333333333333333; x4.l := 0.333333333333333; x5.l := 2; x6.l := 1; x7.l := 1; } } MathematicalProgram ex8_5_1 { Objective: objvar; Direction: minimize; Constraints: AllConstraints; Variables: AllVariables; Type: NLP; } Procedure MainExecution { Body: { solve ex8_5_1; } } Procedure MainTermination { Body: { return 1; } } }