【优化算法】水基湍流优化算法(TFWO)【含Matlab源码 1467期】
【摘要】
一、获取代码方式
获取代码方式1: 通过订阅紫极神光博客付费专栏,凭支付凭证,私信博主,可获得此代码。
获取代码方式2: 完整代码已上传我的资源:【优化算法】水基湍流优化算法(TFWO)【含Matla...
一、获取代码方式
获取代码方式1:
通过订阅紫极神光博客付费专栏,凭支付凭证,私信博主,可获得此代码。
获取代码方式2:
完整代码已上传我的资源:【优化算法】水基湍流优化算法(TFWO)【含Matlab源码 1467期】
备注:
订阅紫极神光博客付费专栏,可免费获得1份代码(有效期为订阅日起,三天内有效);
二、部分源代码
% Developed in MATLAB R2010b
% Source code of Turbulent Flow of Water-based Optimization (TFWO) demo version 1.0
% _____________________________________________________
%
% _____________________________________________________
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clear all %#ok<CLALL>
close all
clc
Function_name='F5'; % Name of the test function
MaxDecades=3000; % Maximum number of iterations
% Load details of the selected benchmark function
[VarMin,VarMax,nVar,CostFunction]=Get_Functions_details(Function_name);
[BestSol,BestCost] = TFWO (nVar,VarMin,VarMax,CostFunction,MaxDecades);
%Draw objective space
figure(1),
hold on
semilogy(BestCost,'Color','b','LineWidth',4);
title('Convergence curve')
xlabel('Iteration');
ylabel('Best fitness obtained so far');
axis tight
grid off
box on
legend('TFWO')
display(['The best location of TFWO is: ', num2str(BestSol.Position)]);
display(['The best fitness of TFWO is: ', num2str(BestSol.Cost)]);
% Please refer to the main paper:
% A novel and effective optimization algorithm for global optimization and its engineering applications:
% Turbulent Flow of Water-based Optimization (TFWO)
% Mojtaba Ghasemi, Iraj Faraji Davoudkhani, Ebrahim Akbari, Abolfazl Rahimnejad,Sahand Ghavidel, Li Li
% Future Generation Computer Systems, DOI: https://doi.org/10.1016/j.engappai.2020.103666
function Whirlpool=Effectsofwhirlpools(Whirlpool, Decade)
global ProblemSettings;
global TFWOSettings;
CostFunction=ProblemSettings.CostFunction;
VarMin=ProblemSettings.VarMin;
VarMax=ProblemSettings.VarMax;
nVar=ProblemSettings.nVar;
for i=1:numel(Whirlpool)
for j=1:Whirlpool(i).nObW
if numel(Whirlpool)~=1
J=[];
S=[];
E=[];
D=[];
AA = 1:numel(Whirlpool);
AA(i)=[];
for t=1:AA
J(t)=(abs(Whirlpool(t).Cost)^1)*((abs(sum(Whirlpool(t).Position))-(sum(Whirlpool(i).Objects(j).Position)))^0.5);
end
%%%%%%%%%%%%% min
S=min(J);
[ E D]=find(S==J);
d=rand(1, nVar).*(Whirlpool(D(1)).Position-Whirlpool(i).Objects(j).Position);
%%%%%%%%%%%%% max
S2=max(J);
[ E2 D2]=find(S2==J);
d2=rand(1, nVar).*(Whirlpool(D2(1)).Position-Whirlpool(i).Objects(j).Position);
end
if numel(Whirlpool)==1
d=rand(1, nVar).*(Whirlpool(i).Position-Whirlpool(i).Objects(j).Position);
d2=0;
D(1)=i;
end
Whirlpool(i).Objects(j).delta=Whirlpool(i).Objects(j).delta+ (rand)*rand*pi;
eee= Whirlpool(i).Objects(j).delta;
fr0=(cos(eee));
fr10=(-sin(eee));
x=((fr0.*(d))+(fr10.*(d2)))*(1+abs(fr0*fr10*1));
RR=(Whirlpool(i).Position-x);
RR =min(max(RR,VarMin),VarMax);
Cost=CostFunction(RR ) ;
if Cost<= Whirlpool(i).Objects(j).Cost
Whirlpool(i).Objects(j).Cost=Cost;
Whirlpool(i).Objects(j).Position=RR;
end
%%%%%%%%%%Pseudo-code 3:
FE_i=(abs(cos(Whirlpool(i).Objects(j).delta)^2*sin(Whirlpool(i).Objects(j).delta)^2))^2;
% Q=Q^(2);
if rand<(FE_i)
k=randi([1 nVar]);
Whirlpool(i).Objects(j).Position(k)=unifrnd(VarMin(k),VarMax(k));
Whirlpool(i).Objects(j).Cost=CostFunction(Whirlpool(i).Objects(j).Position);
end
end
end
%%%%%%%%%% Pseudo-code 4:
J2=[];
for t=1:numel(Whirlpool)
J2(t)=(Whirlpool(t).Cost);
end
S2=min(J2);
[ E2 D2]=find(S2==J2);
d2=Whirlpool(D2(1)).Position;
for i=1:numel(Whirlpool)
J=[];
E=[];
D=[];
for t=1:numel(Whirlpool)
J(t)=Whirlpool(t).Cost*(abs((sum(Whirlpool(t).Position))-(sum(Whirlpool(i).Position))));
if t==i
J(t)=inf;
end
end
S=min(J);
[ E D]=find(S==J);
%%%%%%%%%%
Whirlpool(i).delta=Whirlpool(i).delta+ (rand)*rand*pi;
d=Whirlpool(D(1)).Position-Whirlpool(i).Position;
fr=abs(cos(Whirlpool(i).delta)+sin(Whirlpool(i).delta));
x= fr*rand(1, nVar).*(d);
Whirlpool1(i).Position=Whirlpool(D(1)).Position-x;
Whirlpool1(i).Position=min(max(Whirlpool1(i).Position,VarMin),VarMax);
Whirlpool1(i).Cost=CostFunction(Whirlpool1(i).Position);
%%%%%%Pseudo-code 5:%%selection Whirlpool
if Whirlpool1(i).Cost<=Whirlpool(i).Cost
Whirlpool(i).Position= Whirlpool1(i).Position;
Whirlpool(i).Cost= Whirlpool1(i).Cost;
end
end
if S2<Whirlpool(D2(1)).Cost
Whirlpool(i).Position= d2;
Whirlpool(i).Cost= S2;
end
end
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三、运行结果
四、matlab版本及参考文献
1 matlab版本
2014a
2 参考文献
[1] 包子阳,余继周,杨杉.智能优化算法及其MATLAB实例(第2版)[M].电子工业出版社,2016.
[2]张岩,吴水根.MATLAB优化算法源代码[M].清华大学出版社,2017.
[3]施媛波.基于改进的群居蜘蛛优化云计算任务调度算法[J].电脑编程技巧与维护. 2021,(04)
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