資源簡介
用MATLAB編寫測試函數的五種PSO改進算法
代碼片段和文件信息
function?[xmfv]?=?LinWPSO(fitnessNc1c2wmaxwminMD)
format?long;
%------初始化種群的個體------------
for?i=1:N
????for?j=1:D
????????x(ij)=randn;??%隨機初始化位置
????????v(ij)=randn;??%隨機初始化速度
????end
end
%------先計算各個粒子的適應度,初始化Pi和Pg----------------------
for?i=1:N
????p(i)=fitness(x(i:));
????y(i:)=x(i:);
end
pg=x(N:);?????????????%Pg為全局最優
for?i=1:(N-1)
????if?fitness(x(i:))
????????pg=x(i:);
????end
end
%------進入主要循環,按照公式依次迭代------------
for?t=1:M
????for?i=1:N
????????w?=?wmax?-?(t-1)*(wmax-wmin)/(M-1);
????????
????????v(i:)=w*v(i:)+c1*rand*(y(i:)-x(i:))+c2*rand*(pg-x(i:));
????????x(i:)=x(i:)+v(i:);
????????if?fitness(x(i:))
????????????p(i)=fitness(x(i:));
????????????y(i:)=x(i:);
????????end
????????if?p(i)
????????????pg=y(i:);
????????end
????end
????Pbest(t)=fitness(pg);
end
%xm?=?pg‘;
xm?=Pbest;?
fv?=?fitness(pg);
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1042??2020-02-04?20:17??PSO粒子群改進算法5中實例源碼\LinWPSO線性遞減W.m
?????文件???????1175??2008-09-02?20:13??PSO粒子群改進算法5中實例源碼\YSPSO帶壓縮因子.m
?????文件???????1236??2020-02-04?16:24??PSO粒子群改進算法5中實例源碼\基本PSO.m
?????文件?????????61??2020-02-04?19:22??PSO粒子群改進算法5中實例源碼\測試函數fitness.m
?????文件???????1156??2020-02-04?20:17??PSO粒子群改進算法5中實例源碼\自適應權重SAPSO.m
?????文件???????1116??2008-09-03?20:43??PSO粒子群改進算法5中實例源碼\隨機權重RandWPSO.m
?????目錄??????????0??2020-02-26?13:03??PSO粒子群改進算法5中實例源碼
-----------?---------??----------?-----??----
?????????????????5786????????????????????7
評論
共有 條評論