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标题: 模拟退火算法代码 [打印本页]
作者: 下沙小僧    时间: 2014-8-21 23:45
标题: 模拟退火算法代码
[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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+ E4 {8 P! p/ l& z+ l( o[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。

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[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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  `. a, O" B4 R3 Y9 R+ N4 `[p=185, null, left]s_num=1;


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[p=185, null, left]plot(T,totaldis1)

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2 j; ^& W( O- m  w7 t4 V1 A, q[p=185, null, left]hold on


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( i6 v4 |; [- T8 ]" Y# O[p=185, null, left]while iter_num<iter_max&s_num<s_max;


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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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# \0 N& B! _9 g) s[p=185, null, left]R=rand;


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2 @' ~  B! T* h3 V2 W[p=185, null, left]DeltaDis=totaldis2-totaldis1;

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  x) w6 M, g, y3 `4 G[p=185, null, left]if DeltaDis<0;

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9 e) ~* ~5 ^) K) \3 o/ u2 Y[p=185, null, left]order1=order2;


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[p=185, null, left]totaldis1=totaldis2;


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[p=185, null, left]elseif (exp((totaldis1-totaldis2)/(T))>R)


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[p=185, null, left]order1=order2;


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[p=185, null, left]totaldis1=totaldis2;


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3 Z  F$ M, Q4 p1 I) C3 w( i# [[p=185, null, left][size=174px]else s_num=s_num+1;

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2 B  f* C: X) w[p=185, null, left][size=174px]end

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[p=185, null, left][size=174px]iter_num=iter_num+1;

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[p=185, null, left][size=174px]end

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[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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作者: yuzhenbo1995    时间: 2014-8-23 10:34
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~·
作者: 戴上耳机    时间: 2014-9-1 09:11
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