## ams_version=1.0 Model Main_st_e22 { Variable x1 { Range: nonnegative; } Variable x2 { Range: nonnegative; } Variable objvar; Constraint e1 { Definition: x1 + x2 <= 10; } Constraint e2 { Definition: x1 + 5*x2 <= 22; } Constraint e3 { Definition: - 3*x1 + 2*x2 <= 2; } Constraint e4 { Definition: - x1 - 4*x2 <= -4; } Constraint e5 { Definition: x1 - 2*x2 <= 4; } Constraint e6 { Definition: -(-sqr(x1) - 4*sqr(x2)) + objvar = 0; } Procedure MainInitialization { Body: { x1.upper := 8; x2.upper := 4; } } MathematicalProgram st_e22 { Objective: objvar; Direction: minimize; Constraints: AllConstraints; Variables: AllVariables; Type: NLP; } Procedure MainExecution { Body: { solve st_e22; } } Procedure MainTermination { Body: { return 1; } } }