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s20090281

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ¾ØÕóµÄÎÊÌâ

ÎÒ×öÒÅ´«Ëã·¨£¬¿´µÄ±ðÈ˵ijÌÐòÔËÐÐÊÇÕýÈ·µÄ£¬¿ÉÊÇ×Ô¼ºÍ¬ÑùµÄ¾Í³öÏÖÁË´íÎó¡£
CODE:
selcet=evo_popu(selected,:)
      pc=0.6
     s=rand(1,popsize-1)%Ëæ»ú²úÉúÓë½»²æ¸ÅÂÊÏà±È½ÏµÄ¸ÅÂÊ
     y1=find(s<0.6)             %²ÎÓë½»²æÎ»µÄ¸öÌå     
     y2=find(s>=0.6)            %²»²ÎÓë½»²æÎ»µÄ¸öÌå
     len1=length(y1)           
          if len1>2&mod(len1,2)==1 %Èç¹ûÓÃÀ´½øÐн»²æµÄȾɫÌåµÄÌõÊýÎªÆæÊý£¬½«Æäµ÷ÕûΪżÊý
        y2(length(y2)+1)=y1(len1)
                 y1(len1)=[]
    end
      hidecode=rand(length(y1)/2,codel)%Ëæ»úÉú³ÉÑÚÂë
    hiderand=rand(length(y1)/2,codel)%Ëæ»úÉú³ÉÑÚÂë
    if length(y1)>=2
        for p=1:length(y1)/2
            for q=1:codel
                if hidecode(p,q)<=pc%·Ç¾ùÔȽ»²æ
                    cross(y1(2*p-1),q)=hiderand(p,q)*select(y1(2*p-1),q)+(1-hiderand(p,q))*select(y1(2*p),q)
                   cross(y1(2*p),q)=hiderand(p,q)*select(y1(2*p),q)+(1- hiderand(p,q))*select(y1(2*p-1),q)
                else %²»½»²æÎ»
                    cross(y1(2*p-1),q)=select(y1(2*p-1),q)
                    cross(y1(2*p),q)=select(y1(2*p),q)
                end
            end
        end
    end
    cross(y2,:)=select(y2,:)

¾ÍÊÇÕâ¶Î³ÌÐò£¬¾ÍÊÇselect±»¸³ÖµÁË£¬µ«ÊÇÔÚÏÂÒ»ÐÐʱselect(y1(2*p-1),q)È´ÏÔʾµÄÊǿվØÕó£¬ÇëÎÊÊÇʲôԭÒòÄØ£¿

[ Last edited by xiegangmai on 2011-7-5 at 09:38 ]
»Ø¸´´ËÂ¥
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s20090281

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by ÐűËÄÏɽ at 2011-07-05 15:25:07:
´ó¸ç£¬ÄãÕâ³ÌÐò̫ǿ´óÁË£¬±äÁ¿È«²¿Î´¶¨Ò壬¾ÓÈ»»¹ÄÜÔËÐУ¿

ÉÏÃæ¶¼¶¨ÒåÁË£¬ÎÒÊÇûÍùÉÏÌù
4Â¥2011-07-05 20:17:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

ÐűËÄÏɽ

ľ³æ (ÖøÃûдÊÖ)

´ó¸ç£¬ÄãÕâ³ÌÐò̫ǿ´óÁË£¬±äÁ¿È«²¿Î´¶¨Ò壬¾ÓÈ»»¹ÄÜÔËÐУ¿
3Â¥2011-07-05 15:25:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

s20090281

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by ÐűËÄÏɽ at 2011-07-05 15:25:07:
´ó¸ç£¬ÄãÕâ³ÌÐò̫ǿ´óÁË£¬±äÁ¿È«²¿Î´¶¨Ò壬¾ÓÈ»»¹ÄÜÔËÐУ¿

function [out]=my_function(input)
clear all;
clc;
popsize=10;
codel=4;
G=30;
tic
s=sprintf('³ÌÐòÕýÔÚÔËÐÐÖÐ,ÇëÉÔµÈ......');
%ÒªÓÅ»¯µÄÊÇy(k)=b1*y(k-1)+2*y(k-2)+a1*u(k-1)+a2*u(k-2)µÄb1,b2,a1,a2ÕâËĸö²ÎÊý£¬ÒÑÖª
disp(s);
popu=2*rand(popsize,codel)-1             %³õʼ»¯ÖÖȺ
evo_pop=zeros(popsize-1,codel);          %Òª½ø»¯µÄÖÖȺ
select=zeros(popsize-1,codel);              %Ñ¡ÔñµÄÖÖȺ
cross=zeros(popsize-1,codel);                %½»²æµÄÖÖȺ
mutation=zeros(popsize-1,codel);          %±äÒìµÄÖÖȺ
Trace=zeros(G,codel);            %×îÓŹ켣
for kg=1:G
    time(kg)=kg;                                   %½ø»¯µ½µÚ¼¸´ú
    for i=1:popsize                                  %¿ªÊ¼Ñ­»·
        xi=popu(i,;
        x1=xi(1);
        x2=xi(2);
        x3=xi(3);
        x4=xi(4);   
        c=0;
       b1=[-0.1;0;0.2;0.5;1;1.8;2.1;4.2;6.6;11];
       a1=[0.1;0.2;0.1;0.2;0.1;0.2;0.1;0.2;0;0.4] ;   
       for k=3:10           
        f=[b1(k)-x1*b1(k-1)-x2*b1(k-2)-x3*a1(k-1)-x4*a1(k-2)]^2; °ÑËü¶¨    ΪĿ±êº¯Êý
            c=c+f;
            Msum(i,k)=c;
            Mfit(i,k)=1/c;  %ÊÊÓ¦¶Èº¯Êý
        end
        fitness=Mfit(:,k)
        Bestf(i)=max(fitness)
    end
     [Oderf,index]=sort(Bestf,'descend') %ÅÅÁÐ
     Bestfitness=Oderf(1)
     bfi(kg)=Bestfitness
     best_gene=popu(index(1),
    [max_fitness,index1]=max(fitness)
    [min_fitness,index2]=min(fitness)
    vari=mean(popu(index1,);
     popu(index2,=popu(index1,
     fitness(index2,=fitness(index1,
     index(index1)=0
     index=nonzeros(index)
     evo_popu=popu(index,
     evo_fitness=fitness(index,
     evo_popsize=popsize-1
     fitness_sum=sum(evo_fitness)
     fitscore=evo_fitness/fitness_sum
     fitnesscum=cumsum(fitscore)
     r=rand(1,evo_popsize)
     selected=sum(fitnesscum*ones(1,popsize-1)      selcet=evo_popu(selected,
Õâ¾ÍÊÇÉÏÃæµÄ³ÌÐò£¬ÄãÄÜ·ñ°ïÎÒ¿´¿´£¬Ê®·Ö¸Ðл
5Â¥2011-07-05 20:39:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

s20090281

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by ÐűËÄÏɽ at 2011-07-05 15:25:07:
´ó¸ç£¬ÄãÕâ³ÌÐò̫ǿ´óÁË£¬±äÁ¿È«²¿Î´¶¨Ò壬¾ÓÈ»»¹ÄÜÔËÐУ¿

function [out]=my_function(input)
clear all;
clc;
popsize=10;
codel=4;
G=30;
tic
s=sprintf('³ÌÐòÕýÔÚÔËÐÐÖÐ,ÇëÉÔµÈ......');
%ÒªÓÅ»¯µÄÊÇy(k)=b1*y(k-1)+2*y(k-2)+a1*u(k-1)+a2*u(k-2)µÄb1,b2,a1,a2ÕâËĸö²ÎÊý£¬ÒÑÖª
disp(s);
popu=2*rand(popsize,codel)-1             %³õʼ»¯ÖÖȺ
evo_pop=zeros(popsize-1,codel);          %Òª½ø»¯µÄÖÖȺ
select=zeros(popsize-1,codel);              %Ñ¡ÔñµÄÖÖȺ
cross=zeros(popsize-1,codel);                %½»²æµÄÖÖȺ
mutation=zeros(popsize-1,codel);          %±äÒìµÄÖÖȺ
Trace=zeros(G,codel);            %×îÓŹ켣
for kg=1:G
    time(kg)=kg;                                   %½ø»¯µ½µÚ¼¸´ú
    for i=1:popsize                                  %¿ªÊ¼Ñ­»·
        xi=popu(i,;
        x1=xi(1);
        x2=xi(2);
        x3=xi(3);
        x4=xi(4);   
        c=0;
       b1=[-0.1;0;0.2;0.5;1;1.8;2.1;4.2;6.6;11];
       a1=[0.1;0.2;0.1;0.2;0.1;0.2;0.1;0.2;0;0.4] ;   
       for k=3:10           
        f=[b1(k)-x1*b1(k-1)-x2*b1(k-2)-x3*a1(k-1)-x4*a1(k-2)]^2; °ÑËü¶¨    ΪĿ±êº¯Êý
            c=c+f;
            Msum(i,k)=c;
            Mfit(i,k)=1/c;  %ÊÊÓ¦¶Èº¯Êý
        end
        fitness=Mfit(:,k)
        Bestf(i)=max(fitness)
    end
     [Oderf,index]=sort(Bestf,'descend') %ÅÅÁÐ
     Bestfitness=Oderf(1)
     bfi(kg)=Bestfitness
     best_gene=popu(index(1),
    [max_fitness,index1]=max(fitness)
    [min_fitness,index2]=min(fitness)
    vari=mean(popu(index1,);
     popu(index2,=popu(index1,
     fitness(index2,=fitness(index1,
     index(index1)=0
     index=nonzeros(index)
     evo_popu=popu(index,
     evo_fitness=fitness(index,
     evo_popsize=popsize-1
     fitness_sum=sum(evo_fitness)
     fitscore=evo_fitness/fitness_sum
     fitnesscum=cumsum(fitscore)
     r=rand(1,evo_popsize)
     selected=sum(fitnesscum*ones(1,popsize-1)      selcet=evo_popu(selected,
Õâ¾ÍÊÇÉÏÃæµÄ³ÌÐò£¬ÄãÄÜ·ñ°ïÎÒ¿´¿´£¬Ê®·Ö¸Ðл
6Â¥2011-07-05 20:40:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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