两篇介绍遗传算法不错的博客:
点击打开链接1
点击打开链接2
基于遗传算法的多目标优化问题实例:

function f = my_first_multi(x)
f(1) = x(1)^4 - 10*x(1)^2+x(1)*x(2) + x(2)^4 - (x(1)^2)*(x(2)^2);
f(2) = x(2)^4 - (x(1)^2)*(x(2)^2) + x(1)^4 + x(1)*x(2);
fitnessfcn = @my_first_multi; % Function handle to the fitness function
nvars = 2;