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function for_cycle()
tic
clc
clear
close all
beta=rand(10^5,10,10);
gama=rand(10^5,10,10);

[Row,Column,Volume]=size(beta);
gama_u=rand(1,1);
m=2;

for k=1:Volume                     
    k
    for i=1:Row                    
        for j=1:Column               
            D(i,j,k)=beta(i,j,k)/(beta(i,j,k)+(1-beta(i,j,k))*(gama(i,j,k)-(gama(i,j,k)/gama_u)^m)/(gama(i,j,k)-1));
        end
    end
end

D
toc
end
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xzhdty: ½ð±Ò+1, »¶Ó­³£À´ 2012-04-24 13:54:50
myw052: ½ð±Ò+7, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ÄúµÄ³ÌÐòдµÄºÜºÃ£¬Ê¸Á¿»¯È·ÊµºÜÀ÷º¦¡£ 2012-04-24 18:52:29
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CODE:
tic
clc
clear
close all
beta=rand(10,10,10);
gama=rand(10,10,10);

[Row,Column,Volume]=size(beta);
gama_u=rand(1,1);
m=2;

D=zeros(size(beta));

for k=1:Volume                    
    for i=1:Row                    
        for j=1:Column               
            D(i,j,k)=beta(i,j,k)/(beta(i,j,k)+(1-beta(i,j,k))*(gama(i,j,k)-(gama(i,j,k)/gama_u)^m)/(gama(i,j,k)-1));
        end
    end
end

D
toc

tic
D_vectorized = beta ./ ( beta + (ones(size(beta)) - beta) .* (gama-(gama/gama_u).^m) ./ (gama - ones(size(gama))) )
toc

2Â¥2012-04-24 10:42:35
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lijie169

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4Â¥2012-04-24 12:24:47
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5Â¥2012-04-24 12:31:51
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myw052: ½ð±Ò+1 2012-04-24 18:56:17
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6Â¥2012-04-24 12:32:12
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lurencyj

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myw052: ½ð±Ò+1, ¸ÐлÄúµÄ°ïÖú¡£ 2012-04-24 18:57:04
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7Â¥2012-04-24 16:41:34
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myw052

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ÒýÓûØÌû:
7Â¥: Originally posted by lurencyj at 2012-04-24 16:41:34:
Â¥Ö÷¿ÉÒÔ³¢ÊÔʹÓÃmatlabÀïÃæµÄðºÅ¡£¿ÉÒÔ¼«´óµÄÌá¸ß³ÌÐòµÄЧÂÊ£¬±ÜÃâµÍЧµÄforºÍwhileÑ­»·¡£

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8Â¥2012-04-24 18:55:04
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myw052

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ÒýÓûØÌû:
6Â¥: Originally posted by zhfzh at 2012-04-24 12:32:12:
ÄãÊÃÏÂÓÃʸÁ¿»¯¼ÆËã
¾ÍÊǰÑfor,endÈ¥ÁË£¬³£Êý³Ë¸öͬά¶ÈµÄµ¥Î»Õó£¬ËùÓеij˳ýºÅǰ¼Óµã
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9Â¥2012-04-24 18:56:10
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lurencyj

ľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

CODE:
A = rand(4,4);

B = ones(4,1);

B(:) = sin(A(:,1))

B(:) = sin(A(:,2))

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
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10Â¥2012-04-24 19:15:53
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