## ams_version=1.0 Model Main_ex8_1_1 { Variable x1; Variable x2; Variable objvar; Constraint e1 { Definition: -(cos(x1)*sin(x2) - x1/(1 + sqr(x2))) + objvar = 0; } Procedure MainInitialization { Body: { x1.lower := -1; x1.upper := 2; x2.lower := -1; x2.upper := 1; } } MathematicalProgram ex8_1_1 { Objective: objvar; Direction: minimize; Constraints: AllConstraints; Variables: AllVariables; Type: NLP; } Procedure MainExecution { Body: { solve ex8_1_1; } } Procedure MainTermination { Body: { return 1; } } }