unc_n2_sin1.m

it contains many classic Test Problems for Unconstrained Optimization such as camel6,treccani,goldst

function [fval]=unc_n2_sin1(x)
%reference:
%note that you can get the formulation of unc_n2_sin1 from some
%aritcles,such as
%(1)LN de Castro, FJ Von Zuben 'Learning and optimization using the clonal selection principle '
% Evolutionary Computation, IEEE Transactions on, 2002 
%
%algorithm:
%below code is  edited according to 
%(1)LN de Castro, FJ Von Zuben 'Learning and optimization using the clonal selection principle '
% Evolutionary Computation, IEEE Transactions on, 2002 
%
%solution:
% where the bounds are -1<=x<=2;
%The global minimum is at x*=( 1.8784, 1.8784 );and f(x*)= -2.7534  ;



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

x1=x(1,1);
x2=x(2,1);

fval=x1*sin(4*pi*x1)-x2*sin(4*pi*x2+pi)+1;