function [sol, val] = gaDemo1Eval(sol,options)% Demonstration evaluation function used in gademo1.% f(x)=x+10sin(5x)+7cos(4x)%% function [val,sol] = gaDemo1Eval(sol,options)% % val - the fittness of this individual% sol - the individual, returned to allow for Lamarckian evolution% options - [current_generation]% Binary and Real-Valued Simulation Evolution for Matlab % Copyright (C) 1996 C.R. Houck, J.A. Joines, M.G. Kay %% C.R. Houck, J.Joines, and M.Kay. A genetic algorithm for function% optimization: A Matlab implementation. ACM Transactions on Mathmatical% Software, Submitted 1996.%% This program is free software; you can redistribute it and/or modify% it under the terms of the GNU General Public License as published by% the Free Software Foundation; either version 1, or (at your option)% any later version.%% This program is distributed in the hope that it will be useful,% but WITHOUT ANY WARRANTY; without even the implied warranty of% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the% GNU General Public License for more details. A copy of the GNU % General Public License can be obtained from the % Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.x=sol(1);val = x + 10*sin(5*x)+7*cos(4*x);