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[ Last edited by Doctorcbw on 2010-6-20 at 11:04 ]
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javeey(½ð±Ò+2):лл²ÎÓë½»Á÷ 2010-06-20 08:08:15
Doctorcbw(½ð±Ò+20):Â¥Ö÷ÒªÇóΪÁ˸ÐлÄú ¶ÔËûÎÊÌâµÄ°ïÖú£¬ÇëÎÒ´ú½±Àø½ð±Ò20 2010-06-20 11:03:51
Doctorcbw(ÊýѧEPI+1):ллÄúÈÈÐĵĻش𣡠2010-06-20 11:04:54
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·ÏßÊÇ£º3 6 --------  4 2 1 5 £¬ÆäÖÐ4£¬6ÊÇÊàŦ

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clear;clc;

NC = 6;
huo_f = 'E:\ÐËȤѧϰ\interesting_pro\º½¿ÕÊàŦѡÔñѡַ\huoliang.txt';
dis_f = 'E:\ÐËȤѧϰ\interesting_pro\º½¿ÕÊàŦѡÔñѡַ\distance.txt';


quan_pai = perms( 1:NC );
[huo(:,1) huo(:,2) huo(:,3) huo(:,4) huo(:,5) huo(:,6) ] = textread(huo_f,'%f %f %f %f %f %f ');
[dis(:,1) dis(:,2) dis(:,3) dis(:,4) dis(:,5) dis(:,6) ] = textread(dis_f,'%f %f %f %f %f %f ');

[len1 hg] = size(quan_pai);

min_val = 1e100;
sequ(1:NC) = 0;
cut_p = 1;

for i = 1:len1
    a = quan_pai( i, : );
    for j = 1:NC-1
        [ min_val sequ cut_p ] = get_min_seq( a, j, min_val, sequ, huo, dis, NC, cut_p );         
    end
end


×Ó³ÌÐò£º

function [ min_val, sequ, cut_p ] = get_min_seq( a, j, min_val, sequ, huo, dis, NC, cut_p );  

% get 1st part
tot_huo = 0;
for i = 1:j-1
    tot_huo = tot_huo + sum( huo( a(i), : ) ) + sum( huo( :, a(i) ) );   
end
tot_fee1 = tot_huo * dis( a(i), a(j) );   

% get 2nd part
tot_huo = 0;
for i = j+2:NC
    tot_huo = tot_huo + sum( huo( a(i), : ) ) + sum( huo( :, a(i) ) );
end
tot_fee2 = tot_huo * dis( a(i), a(j+1) );   

% get mid part
tot_huo = 0;
for i = 1:j
    for k = j+1:NC
        tot_huo = tot_huo + huo( a(i), a(k) ) + huo( a(k), a(i) );         
    end
end

tot_fee3 = 0.8*tot_huo * dis( a(j), a(j+1) );

tot_fee = tot_fee1 + tot_fee2 + tot_fee3;

if tot_fee < min_val
    min_val = tot_fee;
    sequ = a;
    cut_p = j;
elseif tot_fee == min_val
    [len2 kj] = size(sequ);
    sequ( len2+1, = a;
    cut_p(len2+1) = j;
else
    min_val = min_val;
    sequ = sequ;
    cut_p =  cut_p;
end

Êý¾Ý£º
distance.txt
0        945        605        4667        4749        4394
945        0        866        3726        3806        3448
605        866        0        4471        4541        4152
4667        3726        4471        0        109        415
4749        3806        4541        109        0        431
4394        3448        4152        415        431        0


huoliang.txt
0        500        1000        300        400        1500
1500        0        250        630        360        1140
400        510        0        460        320        490
300        600        810        0        820        310
400        100        420        730        0        970
350        1020        260        580        380        0

[ Last edited by zxczxc0417 on 2010-6-20 at 00:29 ]
2Â¥2010-06-20 00:16:47
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