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TA的每日心情 开心 2015-1-3 20:49
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[p=185, null, left]T_max=input('please input the start temprature'); [p=185, null, left]T_min=input('please input the end temprature'); [p=185, null, left]iter_max=input('please input the most interp steps on the fit temp'); [p=140, null, left]*
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# u3 C A1 }+ B6 { [p=185, null, left]s_max=input('please input the most steady steps ont the fit temp'); [p=185, null, left]T=T_max; [p=185, null, left]load d:\address.txt; [p=185, null, left]order1=randperm(size(address,1))';% [p=185, null, left][size=174px]生成初始解。 6 M. d* S$ Z7 s# Y
[p=185, null, left]plot(address(order1,1),address(order1,2),'*r-') [p=185, null, left]totaldis1=distance(address,order1); [p=185, null, left]while T>=T_min
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[p=185, null, left]iter_num=1; l- D) v2 @4 V5 z
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[p=185, null, left]s_num=1;
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[p=185, null, left]plot(T,totaldis1)
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[p=185, null, left]hold on 3 M i+ c. l7 V+ `, Q
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[p=185, null, left]while iter_num<iter_max&s_num<s_max; 3 `5 s- X9 |% ]# w) A* U" K; V
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" S/ _5 t6 c) v3 B+ j, _* Z x [p=185, null, left]order2=exhgpath(order1); 9 @; g: i) ^- N( W3 s- T
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; B+ z1 w! Z& w [p=185, null, left]totaldis2=distance(address,order2);
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[p=185, null, left]R=rand;
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[p=185, null, left]DeltaDis=totaldis2-totaldis1;
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4 r' _ w- e) l9 A7 Z( S) E* n [p=185, null, left]if DeltaDis<0; 6 x* a5 G" C7 J9 _
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[p=185, null, left]order1=order2; ! g6 w! k9 ^$ `1 p
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[p=185, null, left]totaldis1=totaldis2;
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) D# t5 w, M8 Q [p=185, null, left]elseif (exp((totaldis1-totaldis2)/(T))>R) 4 ~" B8 p) h0 R5 x0 L6 |) q- _* l
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5 I# e+ M+ D ~0 E [p=185, null, left]order1=order2;
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[p=185, null, left]totaldis1=totaldis2; . U; |( H3 x. B0 q. P8 ~- ]
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[p=185, null, left][size=174px]else s_num=s_num+1;
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5 O7 t5 ^* O- _- m [p=185, null, left][size=174px]end
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$ V9 l5 z8 ]/ g [p=185, null, left][size=174px]iter_num=iter_num+1;
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# J+ R' Q4 s; |7 ^( n [p=185, null, left][size=174px]end
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/ x( u% f$ d1 }$ M+ M8 w( ` [p=185, null, left][size=174px]T=T*0.99; [p=185, null, left][size=174px]end [p=185, null, left][size=174px]order1 [p=185, null, left][size=174px]totaldis1 [p=185, null, left][size=174px]figure(2) [p=185, null, left][size=174px]plot(address(order1,1),address(order1,2),'*r-')
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