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遺傳算法解決TSP問題···································································································································

資源截圖

代碼片段和文件信息

#include?
#include?
#include?
#include?“math.h“
#include?“time.h“
#include?
#include?
#define?CITY_NUM?38?????//城市數(shù),城市編號(hào)是0~CITY_NUM-1
#define?POPSIZE?300????????//種群個(gè)體數(shù)
#define?MAXVALUE?10000000???//路徑最大值上限
#define?N?100000//需要根據(jù)實(shí)際求得的路徑值修正
unsigned?seed=(unsigned)time(0);
double?Hash[CITY_NUM+1];
typedef?struct?CityPosition
{
double?x;
double?y;
}CityPosition;

CityPosition?CityPos[38]={
????{11003.61110042102.500000}{11108.61110042373.888900}{11133.33330042885.833300}{11155.83330042712.500000}{11183.33330042933.333300}{11297.50000042853.333300}{11310.27780042929.444400}{11416.66670042983.333300}{11423.88890043000.277800}{11438.33330042057.222200}{11461.11110043252.777800}{11485.55560043187.222200}{11503.05560042855.277800}{11511.38890042106.388900}{11522.22220042841.944400}{11569.44440043136.666700}{11583.33330043150.000000}{11595.00000043148.055600}{11600.00000043150.000000}{11690.55560042686.666700}{11715.83330041836.111100}{11751.11110042814.444400}{11770.27780042651.944400}{11785.27780042884.444400}{11822.77780042673.611100}{11846.94440042660.555600}{11963.05560043290.555600}{11973.05560043026.111100}{12058.33330042195.555600}{12149.44440042477.500000}{12286.94440043355.555600}{12300.00000042433.333300}{12355.83330043156.388900}{12363.33330043189.166700}{12372.77780042711.388900}{12386.66670043334.722200}{12421.66670042895.555600}{12645.00000042973.333300}
};

double?CityDistance[CITY_NUM][CITY_NUM];//城市距離詞典

typedef?struct{
int?colony[POPSIZE][CITY_NUM+1];//城市種群默認(rèn)出發(fā)城市編號(hào)為0,則城市編號(hào)的最后一個(gè)城市還應(yīng)該為0
double?fitness[POPSIZE];//?每個(gè)個(gè)體的適應(yīng)值,即1/Distance[POPSIZE]
double?Distance[POPSIZE];//每個(gè)個(gè)體的總路徑
int?BestRooting[CITY_NUM+1];//最優(yōu)城市路徑序列
double?BestFitness;//最優(yōu)路徑適應(yīng)值
double?BestValue;//最優(yōu)路徑長(zhǎng)度
int?BestNum;
}TSP*PTSP;

/*計(jì)算城市距離詞典CityDistance[i][j]*/
void?CalculatDist()
{
int?ij;
double?temp1temp2;
for(i=0;i for(j=0;j<=CITY_NUM;j++){//最后一個(gè)城市還應(yīng)該返回到出發(fā)節(jié)點(diǎn)
temp1=CityPos[j].x-CityPos[i].x;
temp2=CityPos[j].y-CityPos[i].y;
CityDistance[i][j]=sqrt(temp1*temp1+temp2*temp2);
}
}
}
/*數(shù)組復(fù)制*/
void?copy(int?a[]int?b[])
{
int?i=0;
for(i=0;i {
a[i]=b[i];
}
}

/*用來(lái)檢查新生成的節(jié)點(diǎn)是否在當(dāng)前群體中,0號(hào)節(jié)點(diǎn)是默認(rèn)出發(fā)節(jié)點(diǎn)和終止節(jié)點(diǎn)*/
bool?check(TSP?&cityint?popint?numint?k)
{
int?i;
for(i=0;i<=num;i++){
if(k==city.colony[pop][i])
return?true;//新生成節(jié)點(diǎn)存在于已經(jīng)生成的路徑中
}
return?false;//新生成節(jié)點(diǎn)沒有存在于已經(jīng)生成的路徑中
}

/****************************種群初始化,即為city.colony[i][j]賦值****************************/
void?InitColony(TSP?&city)
{
int?ijr;
for(i=0;i city.colony[i][0]=0;
city.colony[i][CITY_NUM]=0;
city.BestValue=MAXVALUE;
city.BestFitness=0;//適應(yīng)值越大越好
}

for(i=0;i {
for(j=1;j {
r=rand()%(CITY_NUM-1)+1;//產(chǎn)生1~CITY_NUM-1之間的隨機(jī)數(shù)
while(check(cityijr))//隨機(jī)產(chǎn)生城市序號(hào),即為city.colony[i][j]賦值

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-11?17:10??遺傳算法解決TSP問題(全)\
?????文件????????9576??2017-07-09?17:25??遺傳算法解決TSP問題(全)\data.txt
?????文件????????9636??2017-07-10?15:22??遺傳算法解決TSP問題(全)\TSP.cpp

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