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? 內(nèi)容介紹

反對流定向算法MATLAB代碼

? 部分代碼

% Opposition Flow Direction Algorithm (OFDA) source Code Version 1.0

%

% Developed in MATLAB R2018b

%

% Author and programmer:?

% Dr Manoj Kumar Naik

% Faculty of Engineering and Technology, Siksha O Anusandhan, Bhubaneswar, Odisha ?751030, India?

%_____________________________________________________________________________________________________? ? ? ? ? ?

% Please cite to the main paper:

% R. Panda, M. Swain, M. K. Naik, S. Agrawal, and A. Abraham,?

% 揂 Novel Practical Decisive Row-class?Entropy-based Technique for Multilevel Threshold Selection?

% Using Opposition Flow Directional Algorithm,?IEEE Access, p. 1, 2022, doi: 10.1109/ACCESS.2022.3215082.

%

% This program using the framework of FDA by SEYEDALI MIRJALILI

% https://seyedalimirjalili.com/projects

%_____________________________________________________________________________________________________

clearvars

close all

clc

disp('The OFDA is tracking the problem');

alpha=30; % Number of flow

Function_name='F3' % Name of the test function that can be from F1 to F23?

MaxIT=500; % Maximum number of iterations

[lb,ub,dim,fobj]=Get_Functions_details(Function_name); % Function details

Times=11; %Number of independent times you want to run the OFDA

display(['Number of independent runs: ', num2str(Times)]);

for i=1:Times

[Destination_fitness(i),bestPositions(i,:),Convergence_curve(i,:)]=OFDA(alpha,MaxIT,lb,ub,dim,fobj);

display(['The optimal fitness of OFDA is: ', num2str(Destination_fitness(i))]);

end

[bestfitness,index]=min(Destination_fitness);

disp('--------Best Fitness, Average Fitness, Standard Deviation and Best Solution--------');

display(['The best fitness of OFDA is: ', num2str(bestfitness)]);

display(['The average fitness of OFDA is: ', num2str(mean(Destination_fitness))]);

display(['The standard deviation fitness of OFDA is: ', num2str(std(Destination_fitness))]);

display(['The best location of OFDA is: ', num2str(bestPositions(index,:))]);

figure('Position',[269? ?240? ?660? ?290])

%Draw search space

subplot(1,2,1);

func_plot(Function_name);

title('Parameter space')

xlabel('x_1');

ylabel('x_2');

zlabel([Function_name,'( x_1 , x_2 )'])

%Draw objective space

subplot(1,2,2);

semilogy(Convergence_curve(index,:),'LineWidth',3);

xlabel('Iterations');

ylabel('Best fitness obtained so far');

legend('OFDA');

box on;

axis tight;

grid off;

? 運行結(jié)果

編輯

編輯

編輯

? 參考文獻(xiàn)

R. Panda, M. Swain, M. K. Naik, S. Agrawal, and A. Abraham,? Novel Practical Decisive Row-class Entropy-based Technique for Multilevel Threshold Selection Using Opposition Flow Directional Algorithm,?IEEE Access, p. 1, 2022, doi: 10.1109/ACCESS.2022.3215082.

? 完整代碼

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