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zxczxc0417
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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
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
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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ÕâÖÖÌâÄ¿±È½Ï·³ÈË£¬ ÌâÄ¿ÖпÉÄÜ»¹ÉÙÒ»¸öÌõ¼þ£¬·ÑÓúͻõÎïÁ¿µÄ¹ØÏµ? ·½·¨ºÜ¼òµ¥£¬ÏÈÇóÈ«ÅÅÁУ¬ÔÙÇиîÿ¸öÅÅÁÐ ÎÒËãµÄ´ð°¸ÊÇ£º ·ÑÓãº25866720 ·ÏßÊÇ£º3 6 -------- 4 2 1 5 £¬ÆäÖÐ4£¬6ÊÇÊàŦ Ô´³ÌÐò£º 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
oliverxzj
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3Â¥2010-06-20 08:53:26















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