x = 0:0.01:10;
y = x + 10*sin(5*x)+7*cos(4*x);
figure
plot(x, y)
xlabel('independent variable')
ylabel('dependent variable')
title('GA：y = x + 10*sin(5*x) + 7*cos(4*x)利用算法求解最优解—Jason niu')
initPop = initializega(50,[0 10],'fitness');
[x endPop bpop trace] = ga([0 10],'fitness',[],initPop,[1e-6 1 1],'maxGenTerm',25,...
'normGeomSelect',0.08,'arithXover',2,'nonUnifMutation',[2 25 3]);
x
hold on
plot (endPop(:,1),endPop(:,2),'ro')
figure(2)
plot(trace(:,1),trace(:,3),'b:')
title('GA算法的迭代进化曲线—Jason niu')
hold on
plot(trace(:,1),trace(:,2),'r-')
xlabel('Generation'); ylabel('Fittness');
legend('Mean Fitness', 'Best Fitness')
