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%SA:T2法利用Matlab自帶的SA工具箱optimtool通過GUI調用@Jason_niu函數實作對二進制函數優化求解—Jason niu
function fitnessVal = Jason_niu( x )
https://imgconvert.csdnimg.cn/aHR0cHM6Ly9pbWFnZXMyMDE4LmNuYmxvZ3MuY29tL2Jsb2cvMTMxMzQ3NS8yMDE4MDMvMTMxMzQ3NS0yMDE4MDMwMTIxMTQwNjU3MS05NjI4MTkwNTUuZ2lm實作代碼
%SA:T1法利用Matlab編寫主函數實作對定義域[-5,5]上的二進制函數求最優解—Jason niu
[x,y] = meshgrid(-5:0.1:5,-5:0.1:5);
z = x.^2 + y.^2 - 10*cos(2*pi*x) - 10*cos(2*pi*y) + 20;
figure
mesh(x,y,z)
hold on
xlabel('x')
ylabel('y')
zlabel('z')
title('SA:利用SA最優化,定義域[-5,5]上的二進制函數z = x^2 + y^2 - 10*cos(2*pi*x) - 10*cos(2*pi*y) + 20的最大值—Jason niu')
maxVal = max(z(:));
[maxIndexX,maxIndexY] = find(z == maxVal);
for i = 1:length(maxIndexX)
plot3(x(maxIndexX(i),maxIndexY(i)),y(maxIndexX(i),maxIndexY(i)), maxVal, 'r*','linewidth',2)
text(x(maxIndexX(i),maxIndexY(i)),y(maxIndexX(i),maxIndexY(i)), maxVal, {[' X: ' num2str(x(maxIndexX(i),maxIndexY(i)))];[' Y: ' num2str(y(maxIndexX(i),maxIndexY(i)))];[' Z: ' num2str(maxVal)]})
hold on
end