function f=unc_n1_02(x)
%reference:
%note that you can get the formulation of unc_n1_02 from some
%aritcles,such as
%
%
%algorithm:
%below code is  edited according to 
%
%
% solution:
% where the bounds are -1<=x<=2,
% The global minimum is at x*=1.9505,and f(x*)= 0.04974;


%Copyright:
% programmers:oiltowater.
% It comply with the GPL2.0
% Copyright 2006  oiltowater 


f=x*sin(10*pi*x)+2.0;