## ams_version=1.0 Model Main_ex4_1_4 { Variable x1; Variable objvar; Constraint e1 { Definition: -(4*sqr(x1) - 4*POWER(x1,3) + POWER(x1,4)) + objvar = 0; } Procedure MainInitialization { Body: { x1.lower := -5; x1.upper := 5; x1.l := 2; } } MathematicalProgram ex4_1_4 { Objective: objvar; Direction: minimize; Constraints: AllConstraints; Variables: AllVariables; Type: NLP; } Procedure MainExecution { Body: { solve ex4_1_4; } } Procedure MainTermination { Body: { return 1; } } }