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2019美賽B題第一問 裝箱問題完整代碼
matlab 遺傳算法
代碼片段和文件信息
clc;clear?all;
format?long;
M=11;
N=12;
zq=100;
%c=[ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)?ceil(rand*M)];%定義染色體編碼,各個貨物對應(yīng)的車1*12
c=ceil(rand(zqN)*M);
L=[3.86?6.9?4.87?7.15?7.15?7.15?3.9?7.15?7.15?7.15?7.994?7.12];%各個12貨物的長度1*12
L=L+0.2;
K=13;%箱子的長度
e=zeros(1N+1);
e(N+1)=100000;
for?jhcs=1:10
s=zeros(zqM);
%初始化種群
for?zqs=1:zq
for?xh=1:40
????for?j=1:M
???????s(zqsj)=0;?
????end
A=zeros(MN);
for?j=1:M%遍歷各個車
????t=1;
????for?k=1:N%遍歷各個貨物
????????if(c(zqsk)==j)
????????????s(zqsj)=s(zqsj)+L(k);%計算每輛箱子上貨物的長度s[]
????????????A(jt)=k;
????????????t=t+1;
????????end
????end
end
for?j=1:M??%遍歷各個車
????if((s(zqsj)==0)&&(j ????????for?i=1:N
????????????if?(c(zqsi)==max(c(zqs:)))
????????????????c(zqsi)=j;
????????????end
????????end
????????%break;
????end
end
for?j=1:M??%遍歷各個車
????d=10;
????T=0;
????if(s(zqsj)>=K)%第j輛車貨物超過箱子長度
????????for?t=1:N%建立此箱子對應(yīng)的貨物長度矩陣
????????????if?((A(jt)~=0)&&(d>L(A(jt))))
????????????????d=L(A(jt));???????????%尋找最短長度
????????????????p=j;q=t;???????????????????%保存序號
????????????end
????????end
????????%找到最短的車序號之后再放到每個車上看看長度夠不夠,夠就插入
????????for?j=1:M
????????????if?(s(zqsj)+d ???????????????%將此貨物放入此車中?
???????????????c(zqsA(pq))=j;
???????????????T=1;
???????????????break;
????????????end
????????end
????????if?(T==0)%表明所有的車上貨物都不能容納新貨物
????????????c(zqsA(pq))=max(c(zqs:))+1;
????????????break;
????????end
????end
end
end
end
num=zeros(1zq);
f=zeros(1zq);
for?zqs=1:zq
????%計算每個種群中所用箱子的個數(shù),存于num中
????for?j=1:M
????if?(s(zqsj)>0)
????????num(zqs)=num(zqs)+1;
????end
????end
????f(zqs)=num(zqs)*K*(K*num(zqs)-sum(s(zqs:)));
end
d=[cf‘];
d=sortrows(dN+1);
if(d(N+1) ????e=d;
end
d(:N+1)=[];
c=d;
%[sfindex]=sort(f);
%for?zqs=1:zq
?%???if?(zqs ??%??b=c(index(zqs):);
???%?c(index(zqs):
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