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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
adu886886(½ð±Ò+2):ллӦÖú 2010-03-11 19:52
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
adu886886(½ð±Ò+2):ллӦÖú 2010-03-11 19:52
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function [BESTX,BESTY,ALLX,ALLY]=ACOUCP(K,N,Rho,Q,Lambda,LB,UB,R,S1,S2,xx,yy) %% ´Ëº¯ÊýʵÏÖÒÏȺËã·¨£¬ÓÃÓÚÓÅ»¯BPÉñ¾ÍøÂçȨֵãÐÖµ %% ÊäÈë²ÎÊýÁбí % K µü´ú´ÎÊý % N ÒÏȺ¹æÄ£ % Rho ÐÅÏ¢ËØÕô·¢ÏµÊý£¬È¡Öµ0¡«1Ö®¼ä£¬ÍƼöȡֵ0.7¡«0.95 % Q ÐÅÏ¢ËØÔö¼ÓÇ¿¶È£¬´óÓÚ0£¬ÍƼöȡֵ1×óÓÒ % Lambda ÂìÒÏÅÀÐÐËÙ¶È£¬È¡Öµ0¡«1Ö®¼ä£¬ÍƼöȡֵ0.1¡«0.5 % LB ¾ö²ß±äÁ¿µÄϽ磬M¡Á1µÄÏòÁ¿ % UB ¾ö²ß±äÁ¿µÄÉϽ磬M¡Á1µÄÏòÁ¿ %% Êä³ö²ÎÊýÁбí % BESTX K¡Á1ϸ°û½á¹¹£¬Ã¿Ò»¸öÔªËØÊÇM¡Á1ÏòÁ¿£¬¼Ç¼ÿһ´úµÄ×îÓÅÂìÒÏ % BESTY K¡Á1¾ØÕ󣬼Ǽÿһ´úµÄ×îÓÅÂìÒÏµÄÆÀ¼Ûº¯ÊýÖµ % ALLX K¡Á1ϸ°û½á¹¹£¬Ã¿Ò»¸öÔªËØÊÇM¡ÁN¾ØÕ󣬼Ǽÿһ´úÂìÒϵÄλÖà % ALLY K¡ÁN¾ØÕ󣬼Ǽÿһ´úÂìÒÏµÄÆÀ¼Ûº¯ÊýÖµ %% ²âÊÔº¯ÊýÉèÖà % ²âÊÔº¯ÊýÓõ¥¶ÀµÄ×Óº¯Êý±àдºÃ£¬ÔÚ×Óº¯ÊýFIT.mÖÐÐÞ¸ÄÒªµ÷ÓõIJâÊÔº¯ÊýÃû¼´¿É % ×¢Ò⣺¾ö²ß±äÁ¿µÄϽçLBºÍÉϽçUB£¬ÒªÓë²âÊÔº¯Êý±£³ÖÒ»Ö %% ²Î¿¼ÉèÖà % [BESTX,BESTY,ALLX,ALLY]=ACOUCP(50,30,0.95,1,0.5,LB,UB) %% µÚÒ»²½£º³õʼ»¯ M=length(LB);%¾ö²ß±äÁ¿µÄ¸öÊý %ÒÏȺλÖóõʼ»¯ X=zeros(M,N); for i=1:M x=unifrnd(LB(i),UB(i),1,N); X(i, =x;end %Êä³ö±äÁ¿³õʼ»¯ ALLX=cell(K,1);%ϸ°û½á¹¹£¬Ã¿Ò»¸öÔªËØÊÇM¡ÁN¾ØÕ󣬼Ǽÿһ´úµÄ¸öÌå ALLY=zeros(K,N);%K¡ÁN¾ØÕ󣬼Ǽÿһ´úÆÀ¼Ûº¯ÊýÖµ BESTX=cell(K,1);%ϸ°û½á¹¹£¬Ã¿Ò»¸öÔªËØÊÇM¡Á1ÏòÁ¿£¬¼Ç¼ÿһ´úµÄ×îÓŸöÌå BESTY=zeros(K,1);%K¡Á1¾ØÕ󣬼Ǽÿһ´úµÄ×îÓŸöÌåµÄÆÀ¼Ûº¯ÊýÖµ k=1;%µü´ú¼ÆÊýÆ÷³õʼ»¯ Tau=ones(1,N);%ÐÅÏ¢ËØ³õʼ»¯ Y=zeros(1,N);%ÊÊÓ¦Öµ³õʼ»¯ %% µÚ¶þ²½£ºµü´ú¹ý³Ì while k<=K YY=zeros(1,N); for n=1:N x=X(:,n); YY(n)=FIT(x,R,S1,S2,xx,yy); end maxYY=max(YY); temppos=find(YY==maxYY); POS=temppos(1); %ÂìÒÏËæ»ú̽· for n=1:N if n~=POS x=X(:,n); Fx=FIT(x,R,S1,S2,xx,yy); mx=GaussMutation(x,LB,UB); Fmx=FIT(mx,R,S1,S2,xx,yy); if Fmx Y(n)=Fmx; elseif rand>1-(1/(sqrt(k))) X(:,n)=mx; Y(n)=Fmx; else X(:,n)=x; Y(n)=Fx; end end end for n=1:N if n~=POS x=X(:,n); Fx=FIT(x,R,S1,S2,xx,yy); mx=GaussMutation(x,LB,UB); Fmx=FIT(mx,R,S1,S2,xx,yy); if Fmx Y(n)=Fmx; elseif rand>1-(1/(sqrt(k))) X(:,n)=mx; Y(n)=Fmx; else X(:,n)=x; Y(n)=Fx; end end end %³¯ÐÅÏ¢ËØ×î´óµÄµØ·½Òƶ¯ for n=1:N if n~=POS x=X(:,n); r=(K+k)/(K+K); p=randperm(N); t=ceil(r*N); pos=p(1:t); TempTau=Tau(pos); maxTempTau=max(TempTau); pos2=find(TempTau==maxTempTau); pos3=pos(pos2(1)); x2=X(:,pos3(1)); x3=(1-Lambda)*x+Lambda*x2; Fx=FIT(x,R,S1,S2,xx,yy); Fx3=FIT(mx,R,S1,S2,xx,yy); if Fx3 Y(n)=Fx3; elseif rand>1-(1/(sqrt(k))) X(:,n)=x3; Y(n)=Fx3; else X(:,n)=x; Y(n)=Fx; end end end %¸üÐÂÐÅÏ¢ËØ²¢¼Ç¼ Tau=Tau*(1-Rho); maxY=max(Y); minY=min(Y); DeltaTau=(maxY-Y)/(maxY-minY); Tau=Tau+Q*DeltaTau; ALLX{k}=X; ALLY(k, =Y;minY=min(Y); pos4=find(Y==minY); BESTX{k}=X(:,pos4(1)); BESTY(k)=minY; disp(k); k=k+1; end %% »æÍ¼ BESTY2=BESTY; BESTX2=BESTX; for k=1:K TempY=BESTY(1:k); minTempY=min(TempY); posY=find(TempY==minTempY); BESTY2(k)=minTempY; BESTX2{k}=BESTX{posY(1)}; end BESTY=BESTY2; BESTX=BESTX2; plot(BESTY,'-ko','MarkerEdgeColor','k','MarkerFaceColor','k','MarkerSize',2) ylabel('º¯ÊýÖµ') xlabel('µü´ú´ÎÊý') grid on |
2Â¥2010-03-11 17:15:28
bianguojun
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adu886886:½¨Òéͨ¹ý¡°ÒýÓûظ´¸ÃÌû¡±»Ø¸´£¬ÒÔ±ã¶Ô·½¼°Ê±¿´µ½£¡ 2010-03-12 08:08
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3Â¥2010-03-11 21:53:01
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4Â¥2010-03-12 08:48:26
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5Â¥2010-03-12 11:14:07














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