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Òø³æ (СÓÐÃûÆø)

[ÇóÖú] matlabÖÐMÎļþµÄµ÷ÓÃ

ÎÒ×î½ü²Î¿¼±ðÈ˵ijÌÐòдÁËÒ»¸ö×Ô¼ºµÄ³ÌÐòµ«ÊÇ´úÈë²»ÁËfitnessº¯Êý£¬Çë´ó¼ÒÖ¸µãһϣºÎÒÒª×öµÄÊÇy(k)=a1*y(k-1)+b1*u(k-1)+a2*y(k-2)+a3*y(k-3)º¯ÊýÇóa1,a2,a3,b1.ÒÑÖªyºÍu£¬ÎÒ°ÑÊÊÓ¦¶ÈȡΪ399×éÊý¾ÝµÄ[y(k)-a1*y(k-1)-b1*u(k-1)-a2*y(k-2)-a3*y(k-3)]^2×îС
CODE:
function [out]=fitness(x)

CODE:
ai=x(i,£º)           %µÚ¼¸×éÊý¾Ý¾ÍÊÇÈ¡µÚ¼¸¸ö

CODE:
a1=ai(1)

CODE:
a2=ai(2)

CODE:
a3=ai(3)

CODE:
a4=ai(4)

CODE:
u=load('F:\²âÊԼǼ¿ØÖÆ.txt');u1=u(2:399,2);

CODE:
y=load('F:\²âÊԼǼ·´À¡.txt');y1=y(2:400,2);

CODE:
c=0;

CODE:
for k=3:399

CODE:
f=[y(k)-a1*y1(k-1)-a2*y1(k-2)-a3*y1(k-3)-b1*u1(k-1)]^2        %Çó³ö¸÷¼¶Êý¾ÝµÄƽ·½ºÍ²¢Öð½¥Ïà¼ÓµÃµ½Ò»×é¶Ô¶ÔÓ¦±äÁ¿µÄÊÊÓ¦¶È

CODE:
c=c+f

CODE:
Msum(k)=c

CODE:
end

CODE:
out=Msum(:,k);                %Êä³öÊÊÓ¦¶È

ÄÇôÔÚÁ£×ÓȺËã·¨ÖÐÓ¦ÈçºÎµ÷ÓÃÕâ¸öº¯ÊýÄØ£¿µ±Î»ÖúÍËٶȸüкó£¬Ôõô¼ÆËãÕâʱµÄÊÊÓ¦¶ÈÄØ£¿
CODE:
ffitness(i)=fitness(pop(i,:))

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4Â¥2011-09-20 19:08:37
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²é¿´È«²¿ 13 ¸ö»Ø´ð

ÐűËÄÏɽ

ľ³æ (ÖøÃûдÊÖ)

¡ï
xiegangmai(½ð±Ò+1): лл²ÎÓ룡 2011-09-20 22:33:25
ÄãÕâ´úÂëдµÄ£¬·ÅÔÚÒ»¸öcodeÀïÃæ¾ÍÐÐÁË
2Â¥2011-09-20 16:08:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

s20090281

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ÐűËÄÏɽ at 2011-09-20 16:08:20:
ÄãÕâ´úÂëдµÄ£¬·ÅÔÚÒ»¸öcodeÀïÃæ¾ÍÐÐÁË

Äã¿É·ñ°ïÎÒ½â¾öÒ»ÏÂÕâ¸öÎÊÌ⣬ÎÒµÄÖ»ÄÜÔËÐÐÒ»×éµ±ÔËÐеڶþ×éʱ¾Í»á³öÏÖ¡£ÎÒÔÚÕýÎÄÖÐÕâôµ÷Óú¯Êý
for i=1:size
    pop(i,=2*rand(size,1)-1
    v(i,=rand(size,1)
    fitness(i)=fitness(pop(i,)
end
??? Subscript indices must either be real positive integers or logicals.
Error in ==> myPSO at 14
    fitness(i)=fitness(pop(i,)
ÎÒ²éÁËÒ»ÏÂÊÇϱ겻ÕýÈ·£¬¿ÉÊÇÄÇÔõô¸ÄÄØ£¿
3Â¥2011-09-20 16:20:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

s20090281

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by ÐűËÄÏɽ at 2011-09-20 19:08:37:
ÄãÕâ´úÂëҲ̫ÂÒÁ˰É
Äã²»»áÖØÐÂÕûÀíһϰ¡

CODE:
function [out]=fitness(x)
          ai=x(i,£º)           %µÚ¼¸×éÊý¾Ý¾ÍÊÇÈ¡µÚ¼¸¸ö
          a1=ai(1)
          a2=ai(2)
          a3=ai(3)
          a4=ai(4)
          u=load('F:\²âÊԼǼ¿ØÖÆ.txt');u1=u(2:399,2);) ;
          y=load('F:\²âÊԼǼ·´À¡.txt');y1=y(2:400,2);
          c=0;
         for k=3:399
              f=[y(k)-a1*y1(k-1)-a2*y1(k-2)-a3*y1(k-3)-b1*u1(k-1)]^2 ;      
%Çó³ö¸÷¼¶Êý¾ÝµÄƽ·½ºÍ²¢Öð½¥Ïà¼ÓµÃµ½Ò»×é¶Ô¶ÔÓ¦±äÁ¿µÄÊÊÓ¦¶È      
             c=c+f;
            Msum(k)=c;
       end
       out=Msum(:,k);                %Êä³öÊÊÓ¦¶È

5Â¥2011-09-20 20:04:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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