Trigonmetric example

    {  trig.mpl   }

    {  GAMS Model Library, http://www.gams.com/modlib/libhtml/trig.htm  }

    {  Simple Trigonometric Example,  NLP,  Size: 1x1  }



TITLE
    Trig;

OPTIONS
    ModelType=Nonlinear
    ParserType=Extended

VARIABLES
    X1 INITIAL 1;

MODEL

    MIN Obj = SIN(11*X1) + COS(13*X1) - SIN(17*X1) - COS(19*X1);

SUBJECT TO

    Ineq1:    5*SIN(X1) - X1 <= 0;

BOUNDS
    -2 <= X1 <= 5;

FREE
    X1;

END