## ams_version=1.0 Model Main_hs62 { Variable objvar; Variable x2 { Range: nonnegative; } Variable x3 { Range: nonnegative; } Variable x4 { Range: nonnegative; } Constraint e1 { Definition: { 32.174*(255*log((0.03 + x2 + x3 + x4)/(0.03 + 0.09*x2 + x3 + x4)) + 280* log((0.03 + x3 + x4)/(0.03 + 0.07*x3 + x4)) + 290*log((0.03 + x4)/(0.03 + 0.13*x4))) + objvar = 0 } } Constraint e2 { Definition: 20*sqr((-1) + x2 + x3 + x4) = 0; } Procedure MainInitialization; MathematicalProgram hs62 { Objective: objvar; Direction: minimize; Constraints: AllConstraints; Variables: AllVariables; Type: NLP; } Procedure MainExecution { Body: { solve hs62; } } Procedure MainTermination { Body: { return 1; } } }