代码: mode l sets: object/1.3/: fi endsets data a,b=3,4;!两个直角边长,修改很方便 enddata f(1)=a x @sin(x)i f(2)=b*@cos(x); f(3)=a x cos(x)+ b* sin(x)i min=@smax(f(1),f(2),f(3)); ebnd(0,x,1.57); end 函数@bnd,详情见4.5节。代码： model: sets: object/1..3/: f; endsets data: a, b = 3, 4; !两个直角边长，修改很方便; enddata f(1) = a * @sin(x); f(2) = b * @cos(x); f(3) = a * @cos(x) + b * @sin(x); min = @smax(f(1),f(2),f(3)); @bnd(0,x,1.57); end 函数@bnd，详情见4.5节