资源简介
讲粒子群与引力搜索算法相结合,避免陷入局部最优,并且对函数进行测试,数值试验表明,PSOGSA具有较好的性能。
代码片段和文件信息
%PSOGSA source code v2.0 Generated by SeyedAli Mirjalili 2011.
%Adopted from: S. Mirjalili S.Z. Mohd Hashim 揂 New Hybrid PSOGSA
%Algorithm for Function Optimization in IEEE International Conference
%on Computer and Information Application?ICCIA 2010) China 2010 pp.374-377.
% This function calculates the value of objective function.
function fit=benchmark_functions(LBenchmark_Function_IDdim)
%You can insert your own objective function with a new Benchmark_Function_ID.
if Benchmark_Function_ID==1
fit=sum(L.^2);
end
if Benchmark_Function_ID==2
fit=sum(abs(L))+prod(abs(L));
end
if Benchmark_Function_ID==3
fit=0;
for i=1:dim
fit=fit+sum(L(1:i))^2;
end
end
if Benchmark_Function_ID==4
fit=max(abs(L));
end
if Benchmark_Function_ID==5
fit=sum(100*(L(2:dim)-(L(1:dim-1).^2)).^2+(L(1:dim-1)-1).^2);
end
if Benchmark_Function_ID==6
fit=sum(abs((L+.5)).^2);
end
if Benchmark_Function_ID==7
fit=sum([1:dim].*(L.^4))+rand;
end
if Benchmark_Function_ID==8
fit=sum(-L.*sin(sqrt(abs(L))));
end
if Benchmark_Function_ID==9
fit=sum(L.^2-10*cos(2*pi.*L))+10*dim;
end
if Benchmark_Function_ID==10
fit=-20*exp(-.2*sqrt(sum(L.^2)/dim))-exp(sum(cos(2*pi.*L))/dim)+20+exp(1);
end
if Benchmark_Function_ID==11
fit=sum(L.^2)/4000-prod(cos(L./sqrt([1:dim])))+1;
end
if Benchmark_Function_ID==12
fit=(pi/dim)*(10*((sin(pi*(1+(L(1)+1)/4)))^2)+sum((((L(1:dim-1)+1)./4).^2).*...
(1+10.*((sin(pi.*(1+(L(2:dim)+1)./4)))).^2))+((L(dim)+1)/4)^2)+sum(Ufun(L101004));
end
if Benchmark_Function_ID==13
fit=.1*((sin(3*pi*L(1)))^2+sum((L(1:dim-1)-1).^2.*(1+(sin(3.*pi.*L(2:dim))).^2))+...
((L(dim)-1)^2)*(1+(sin(2*pi*L(dim)))^2))+sum(Ufun(L51004));
end
if Benchmark_Function_ID==14
aS=[-32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32;...
-32 -32 -32 -32 -32 -16 -16 -16 -16 -16 0 0 0 0 0 16 16 16 16 16 32 32 32 32 32];
for j=1:25
bS(j)=sum((L‘-aS(:j)).^6);
end
fit=(1/500+sum(1./([1:25]+bS))).^(-1);
end
if Benchmark_Function_ID==15
aK=[.1957 .1947 .1735 .16 .0844 .0627 .0456 .0342 .0323 .0235 .0246];
bK=[.25 .5 1 2 4 6 8 10 12 14 16];bK=1./bK;
fit=sum((aK-((L(1).*(bK.^2+L(2).*bK))./(bK.^2+L(3).*bK+L(4)))).^2);
end
if Benchmark_Function_ID==16
fit=4*(L(1)^2)-2.1*(L(1)^4)+(L(1)^6)/3+L(1)*L(2)-4*(L(2)^2)+4*(L(2)^4);
end
if Benchmark_Function_ID==17
fit=(L(2)-(L(1)^2)*5.1/(4*(pi^2))+5/pi*L(1)-6)^2+10*(1-1/(8*pi))*cos(L(1))+10;
end
if Benchmark_Function_ID==18
fit=(1+(L(1)+L(2)+1)^2*(19-14*L(1)+3*(L(1)^2)-14*L(2)+6*L(1)*L(2)+3*L(2)^2))*...
(30+(2*L(1)-3*L(2))^2*(18-32*L(1)+12*(L(1)^2)+48*L(2)-36*L(1)*L(2)+27*(L(2)^2)));
end
if Benchmark_Function_ID==19
aH=[3 10 30;.1 10 35;3 10 30;.1 10 35];cH=[1 1.2 3 3.2];
pH=[.3689 .117 .2673;.4699 .4387 .747;.1091 .8732 .5547;.03815 .5743 .8828];
fit=0;
for i=1:4
fi
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 4047 2012-03-30 21:04 benchmark_functions.m
文件 2128 2012-03-30 21:03 benchmark_functions_details.m
文件 1339 2012-03-31 08:08 license.txt
文件 845 2012-03-30 21:03 Main.m
文件 164559 2012-03-30 21:01 PSOGSA.jpg
文件 5228 2012-03-30 21:04 PSOGSA.m
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