ALGORITHME GENETIQUE pour VRP (JEE + easyPhp)
Bonsoir
Mon problème c'est que j'ai créer un algorithme génétique pour résoudre le problème de tournée de véhicule mais je crois que la boucle de l'iteration est mal placé car pour une seul iteration tout fonctionne correctement et si j'augmente le nombre d'iteration la distance se multiplie fois la nombre d'iteration et le nombre de chemin qui doit être 50 ( 50 parents donnent 50 enfants) se multiplie aussi fois le nombre d'iteration. La boucle pour les iterations est (ff)
Je suis confus j'espère que l'un de vous peut m'aider et merci d'avance.
Code:
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| out.println("\n -----------------------Crossover------------------- \n");%><br><%
%><br><%
out.println("\n Chemins Séléctionnés Aléatoirement \n");%><br><%
long before = System.currentTimeMillis();
int[] t3= new int[51];
int[] pere= new int[f+1];int[] mere= new int[f+1];
int[] fils= new int[f+1];int[] fille= new int[f+1];
int ff=1;
while(ff<5){
ArrayList<Integer> tx = new ArrayList<Integer>();
for(i=1;i<51;i++){
tx.add(i);
}
Collections.shuffle(tx);
for (i=0;i<tx.size();i++){
t3[i+1]=tx.get(i);
}
%><br><%
int v,w;
v=1;w=2;
while(v<51){
for (i=1;i<f;i++){
q="select id_client"+i+" from fitness where id_fitness="+t3[v]+";";
r=s.executeQuery(q);
while (r.next()){
pere[i]=r.getInt(1);
}}
for (i=1;i<f;i++){
q="select id_client"+i+" from fitness where id_fitness="+t3[w]+";";
r=s.executeQuery(q);
while (r.next()){
mere[i]=r.getInt(1);
}}
for(i=1;i<(f/4)+1;i++){
fils[i]=pere[i];
}
for(i=((f/4)+1);i<(3*(f/4)+1);i++){
fils[i]=mere[i];
}
for(i=(3*(f/4))+1;i<f;i++){
fils[i]=pere[i];
}
for(i=1;i<(f/4)+1;i++){
fille[i]=mere[i];
}
for(i=((f/4)+1);i<(3*(f/4)+1);i++){
fille[i]=pere[i];
}
for(i=(3*(f/4))+1;i<f;i++){
fille[i]=mere[i];
}
x=1;j=f;
for(i=1;i<(f/4)+1;i++){
j=3*(f/4);
while((j>f/4) && (j<(3*(f/4))+1)) {
if((fils[i]==fils[j])||(fils[j]==0)){
fils[j]=-1;
}
j--;
}
}
for(i=(3*(f/4)+1);i<f;i++){
j=3*(f/4);
while((j>f/4) && (j<(3*(f/4)+1))){
if((fils[i]==fils[j])||(fils[j]==0)){
fils[j]=-1;
}
j--;
}
}
int inter[]= new int[f+1];
for(i=1;i<f;i++){
inter[i]=pere[i];
}
for(i=1;i<f;i++){
for(j=1;j<f;j++){
if(fils[i]==inter[j]){
inter[j]=0;
}
}}
for(i=1;i<f;i++){
for(j=1;j<f;j++){
if(fils[i]==-1 && inter[j]!=0){
fils[i]=inter[j];
inter[j]=0;
}
}}
x=1;j=f;
for(i=1;i<(f/4)+1;i++){
j=3*(f/4);
while((j>f/4) && (j<(3*(f/4))+1)) {
if((fille[i]==fille[j])||(fille[j]==0)){
fille[j]=-1;
}
j--;
}
}
for(i=(3*(f/4))+1;i<f;i++){
j=3*(f/4);
while((j>f/4) && (j<(3*(f/4))+1)){
if((fille[i]==fille[j])||(fille[j]==0)){
fille[j]=-1;
}
j--;
}
}
for(i=1;i<f;i++){
inter[i]=pere[i];
}
for(i=1;i<f;i++){
for(j=1;j<f;j++){
if(fille[i]==inter[j]){
inter[j]=0;
}
}}
for(i=1;i<f;i++){
for(j=1;j<f;j++){
if(fille[i]==-1 && inter[j]!=0){
fille[i]=inter[j];
inter[j]=0;
}
}}
q2="Insert into crossover values('"+v+"','0',";
j=1;
while(j<f){
q2=q2+"'"+fils[j]+"',";
j++;
}
q2=q2+"'0','-1','-1');";
s1.executeUpdate(q2);
q2="Insert into crossover values('"+w+"','0',";
j=1;
while(j<f){
q2=q2+"'"+fille[j]+"',";
j++;
}
q2=q2+"'0','-1','-1');";
s1.executeUpdate(q2);
distance=0.0;i=0;x=0;y=0;z=0;o=0;
q="select id_client1 from crossover where id_fitness='"+v+"';";
r=s.executeQuery(q);
while(r.next()){
z=r.getInt(1);
}
q1="SELECT distance from vecteur where id_client1='0' AND id_client2='"+z+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
q1="select id_client"+(f-1)+" from crossover where id_fitness='"+v+"';";
r1=s1.executeQuery(q1);
while(r.next()){
o=r1.getInt(1);
}
q1="SELECT distance from vecteur where id_client1='0' AND id_client2='"+o+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
for(i=1;i<f-1;i++){
q="select id_client"+i+" from crossover where id_fitness='"+v+"';";
r=s.executeQuery(q);
while(r.next()){
x=r.getInt(1);
q="select id_client"+(i+1)+" from crossover where id_fitness='"+v+"';";
r=s.executeQuery(q);
while(r.next()){
y=r.getInt(1);
q1="SELECT distance from vecteur where id_client1='"+x+"' AND id_client2='"+y+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
}}}
q="update crossover set distance='"+distance+"' where id_fitness='"+v+"';";
s.executeUpdate(q);
v=v+2;
distance=0.0;i=0;x=0;y=0;z=0;o=0;
q="select id_client1 from crossover where id_fitness='"+w+"';";
r=s.executeQuery(q);
while(r.next()){
z=r.getInt(1);
}
q1="SELECT distance from vecteur where id_client1='0' AND id_client2='"+z+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
q1="select id_client"+(f-1)+" from crossover where id_fitness='"+w+"';";
r1=s1.executeQuery(q1);
while(r.next()){
o=r1.getInt(1);
}
q1="SELECT distance from vecteur where id_client1='0' AND id_client2='"+o+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
for(i=1;i<f-1;i++){
q="select id_client"+i+" from crossover where id_fitness='"+w+"';";
r=s.executeQuery(q);
while(r.next()){
x=r.getInt(1);
q="select id_client"+(i+1)+" from crossover where id_fitness='"+w+"';";
r=s.executeQuery(q);
while(r.next()){
y=r.getInt(1);
q1="SELECT distance from vecteur where id_client1='"+x+"' AND id_client2='"+y+"';";
r1=s1.executeQuery(q1);
while(r1.next()){
distance=distance+r1.getDouble(1);
}
}}}
q="update crossover set distance='"+distance+"' where id_fitness='"+w+"';";
s.executeUpdate(q);
w=w+2;
}
%><br><%
out.println("--------------------Mutation-------------------------");%><br><%
int mut[]=new int[f+1];Double tt[]=new Double[3];int c;Double a;
for(int u=1;u<51;u++){
for(i=1;i<f;i++){
q="select id_client"+i+" from crossover where id_fitness='"+u+"';";
r=s.executeQuery(q);
while(r.next()){
mut[i]=r.getInt(1);
}
}
....
if(tt[0]<a){
q1="Update inter set distance='"+tt[0]+"' where id_fitness='"+c+"';";
s2.executeUpdate(q1);}
c++;}
q2="";
for(i=1;i<f;i++){
q2=q2+"id_client"+i+",";
}
q="INSERT INTO mutation ("+q2+"distance) SELECT "+q2+"distance FROM inter where id_fitness ='"+(c-1)+"';";
s.executeUpdate(q);
}
%><br><center><%
out.println("--------------------remplacemnt-------------------------");%><br><%
q="SELECT * FROM fitness ORDER BY distance;";
r1=s1.executeQuery(q);
q="SELECT * FROM mutation ORDER BY distance;";
r1=s1.executeQuery(q);
q="SELECT * FROM crossover ORDER BY distance;";
r1=s1.executeQuery(q);
q="Truncate inter;";
s.executeUpdate(q);
q="Create table IF NOT EXISTS inter LIKE fitness;";
s.executeUpdate(q);
q="SELECT * FROM mutation ORDER BY distance LIMIT 25;";
r1=s1.executeQuery(q);
q="SELECT * FROM fitness ORDER BY distance LIMIT 25;";
r1=s1.executeQuery(q);
q="insert into inter select * FROM mutation ORDER BY distance LIMIT 25;";
s.executeUpdate(q);
q="insert into inter select * FROM fitness ORDER BY distance LIMIT 25;";
s.executeUpdate(q);
q="ALTER TABLE `inter` DROP `id_fitness`;";
s.executeUpdate(q);
q="ALTER TABLE `inter` ADD `id_fitness` INT NOT NULL FIRST; ";
s.executeUpdate(q);
q="truncate fitness;";
s.executeUpdate(q);
q="insert into fitness select * from inter;";
s.executeUpdate(q);
ff++;
} |
