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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]* ( e& U4 i) ~ J& X/ K
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[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。
; M9 n4 P$ O; b' b; ]9 x [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 ( q0 [9 ~, O/ `$ F# E; T( C
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[p=185, null, left]iter_num=1; ' X5 p; ^* k2 Z; |6 Z, l8 M
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( o7 [+ N' e% a. c7 z [p=185, null, left]plot(T,totaldis1)
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j0 [" }0 ` u2 N: @" k+ x+ M [p=185, null, left]hold on
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[p=185, null, left]while iter_num<iter_max&s_num<s_max; 9 d9 y: O f; Z1 j. `1 F, x
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[p=185, null, left]order2=exhgpath(order1);
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[p=185, null, left]totaldis2=distance(address,order2);
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[p=185, null, left]R=rand;
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' `8 U1 I2 ~; ^% \+ w [p=185, null, left]DeltaDis=totaldis2-totaldis1; 2 v7 E7 W$ J7 `: q `
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[p=185, null, left]if DeltaDis<0;
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/ c4 S/ Q7 ~! S1 n2 u" p- T [p=185, null, left]order1=order2;
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( G/ X. S/ f6 G+ p; L# u [p=185, null, left]totaldis1=totaldis2; " m' ~7 w% S2 B7 Z
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+ r9 C( [7 Q7 ]; j: A3 o; C [p=185, null, left]elseif (exp((totaldis1-totaldis2)/(T))>R)
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[p=185, null, left]order1=order2;
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1 h7 _' y; g5 w; N& ? [) ?3 @. ~7 ` [p=185, null, left]totaldis1=totaldis2;
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! w( h# v! {( E8 D; a3 m( @ [p=185, null, left][size=174px]else s_num=s_num+1; ! `6 P* r$ y6 ^
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" E# d/ Z( y: q k [p=185, null, left][size=174px]end 2 J+ r {8 W4 d# F+ ?
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[p=185, null, left][size=174px]iter_num=iter_num+1; ! F( A" S; N' ?3 s I' ~# j
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" v: K7 b- }8 l+ J [p=185, null, left][size=174px]end
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( @' d$ U! i( Y- k; D [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-') & c9 y3 _, z% A- G! C9 t
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