function?[?reclongshortwayminrelong?]?=?aca（?m?alfap?betap?timesbegininflimitainfloseinfgainmininfmaxinfacoebcoe）
%??各個(gè)參數(shù)選擇相當(dāng)重要
%????螞蟻數(shù)?參數(shù)?參數(shù)??輪回?cái)?shù)?最初信息素?變異路線概率?信息素衰減率?
%???m個(gè)螞蟻?????試驗(yàn)數(shù)據(jù)在citys.txt??????
load?citys.txt;?????%載入城市信息
reclong=zeros（1times）;%保存每輪的最短路程
minrelong=10000000;%所有的最短路程值
n=size（citys1）;???%一共n個(gè)城市
%?m=n;
shortway=zeros（1n）;%最短路程對(duì)應(yīng)的路徑
citysds=citysdis（citysn）;%城市間距離值矩陣
??citym=mant2ncitys（mn）;?%m只螞蟻放n個(gè)城市上??1×m列?第m個(gè)螞蟻在哪個(gè)城市
infs=ones（nn）*begininf;%初始化信息素矩陣n×n個(gè)城市間的路線
beta=（bcoe./citysds）.^betap;%城市間的啟發(fā)因子??be系數(shù)

for?ncn=1:times
????????antway=zeros（mn）;%記錄每輪m個(gè)螞蟻?zhàn)哌^(guò)n個(gè)城市的線路?過(guò)程
%????????????????????citym=mant2ncitys（mn）;?%m只螞蟻放n個(gè)城市上??1×m列?第m個(gè)螞蟻在哪個(gè)城市
%??????????????????????citym=1:m;
????????antway（:1）=citym‘;?%初始化每只螞蟻的出發(fā)城市
????????
????????alfa=（acoe.*infs）.^alfap?;?????????%城市間道路的信息素因素
????????cityprop=alfa.*beta?;%每條道路的可能性分子
????????cityprop=limitprop（citypropnlimita）;
????????

?for?k=1:m??????????????%m個(gè)螞蟻?zhàn)咭蝗??第k個(gè)走的過(guò)程
????????????????????knowcity=antway（k1）;?%螞蟻的起始城市作為最初的當(dāng)前城市
????????????????????yescity=[knowcity];????????%已經(jīng)走過(guò)的城市集合
%?????????????????????for?i=2:n-1
?????????????????????for?i=2:n
????????????????????????kantprop=cityprop（knowcity:）;%取得螞蟻的??當(dāng)前城市??到各個(gè)城市的概率分子行
????????????????????????kantprop（knowcity）=0;??????%城市自己到自己的概率要變?yōu)?
????????????????????????nextcity=picknextcity（kantpropyescityn）;??????%選出下一個(gè)城市
????????????????????????yescity=[yescity?nextcity];???????%添加走過(guò)的城市集合
????????????????????????knowcity=nextcity?;?%選出的城市作為下一個(gè)當(dāng)前城市
????????????????????end
%?????????????????????yescity=[yescity?sum（1:n）-sum（yescity）];%最后一個(gè)走的城市
????????????????????antway（k:）=yescity;???%本次走過(guò)的城市更新?所有螞蟻的路徑集合
????????????????????

?end
%計(jì)算本輪走完后每只螞蟻?zhàn)哌^(guò)的總路程?本論最短路程?最短路程的路徑
[antwalklongmindsminline]=perantwalk（antwaycitysds）;
reclong（ncn）=?minds;%保留本輪最短路程值
????????if?minds????????????minrelong=minds;
????????????shortway=minline??;???%跟新最短路程值?和最短路徑
????????end
%更新信息素
%?inflose;infgain;
?infs=（infs.*inflose）;
infs=updatainfs（infsantwalklongantwaymninfgainmininfmaxinf）;
%?Delta_Tau=zeros（nn）;
%?
%????infs=（infs.*inflose）;
%?????for?i=1:m
%?????????????for?j=1:（n-1）
%?????????????Delta_Tau（antway（ij）antway（ij+1））=Delta_Tau（antway（ij）antway（ij+1））+infgain/antwalklong（i）;
%?????????????Delta_Tau（antway（ij+1）antway（ij））=?Delta_Tau（antway（ij）antway（ij+1））;%
%??????????????end
%?????Delta_Tau（antway（in）antway（i1））=Delta_Tau（antway（in）antway（i1））+infgain/antwalklong（i）;
%?????Delta_Tau（antway（i1）antway（in））=????Delta_Tau（antway（in）antway（i1））;%
%?????end
%?????infs=infs+Delta_Tau;

end
%?cityprop
%??infs
%??shortway
%??minrelong
end

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-10-22?20:26??蟻群算法\
?????文件????????3937??2011-10-15?15:24??蟻群算法\aca.asv
?????文件????????3105??2011-10-15?15:45??蟻群算法\aca.m
?????文件????????3939??2011-10-15?15:41??蟻群算法\aca1.m
?????文件???????19023??2011-10-22?20:23??蟻群算法\aca511.asv
?????文件???????78436??2011-10-06?21:05??蟻群算法\aca511.exe
?????文件???????15803??2011-10-22?20:00??蟻群算法\aca511.fig
?????文件???????19099??2011-10-22?20:25??蟻群算法\aca511.m
?????文件???????35109??2011-10-06?21:05??蟻群算法\aca511.prj
?????文件????????2859??2011-10-06?21:05??蟻群算法\aca511_delay_load.c
?????文件????????3122??2011-10-06?21:05??蟻群算法\aca511_main.c
?????文件????????6354??2011-10-06?21:05??蟻群算法\aca511_mcc_component_data.c
?????文件?????????934??2011-10-22?21:16??蟻群算法\cancelcross.asv
?????文件????????1027??2011-10-22?22:18??蟻群算法\cancelcross.m
?????文件?????????493??2011-10-02?23:59??蟻群算法\citys.txt
?????文件??????????72??2011-10-05?23:52??蟻群算法\citys0.txt
?????文件?????????420??2011-10-15?11:07??蟻群算法\citys00.txt
?????文件??????????89??2011-10-22?19:45??蟻群算法\citys12.txt
?????文件?????????149??2011-10-22?19:42??蟻群算法\citys2.txt
?????文件?????????404??2011-10-15?15:09??蟻群算法\citysdis.asv
?????文件?????????409??2011-10-15?15:10??蟻群算法\citysdis.m
?????文件?????????419??2011-10-22?22:06??蟻群算法\countshortway.asv
?????文件?????????428??2011-10-22?22:06??蟻群算法\countshortway.m
?????文件??????????33??2011-10-22?16:47??蟻群算法\cross0.txt
?????文件?????????349??2011-10-22?20:57??蟻群算法\cross1.txt
?????文件?????????198??2011-10-22?21:56??蟻群算法\crossornot.asv
?????文件?????????332??2011-10-22?22:00??蟻群算法\crossornot.m
?????文件????????7802??2011-10-14?19:51??蟻群算法\duanant.m
?????文件?????????309??2011-10-13?22:27??蟻群算法\limitprop.m
?????文件?????????217??2011-10-03?21:01??蟻群算法\mant2ncitys.m
?????文件??????936936??2011-10-06?21:05??蟻群算法\mccExcludedFiles.log
............此處省略21個(gè)文件信息