function?[]?=?DFS（rTTL）
global?connMatrix;
global?visited;
global?xLocation;
global?yLocation;
global?floodProb;
global?savedTransmission;
global?distMatrix;
global?ETX;
global?ERX;
global?Efs;
global?Emp;
global?EDA;
global?do;
global?Energy;
global?numOfNodes;
global?radius;
global?radius_s;
%?Get?the?number?of?reachable?neighbors
connMatrix?=?zeros（1numOfNodes）;?
radius_temp=radius;
index=find（distMatrix（r:）<=radius）;
if?（length（index）==0）%在半徑范圍找不到節點
????radius_temp=radius+radius_s;
????while（length（find（distMatrix（r:）<=radius_temp））==0）
??????????radius_temp=radius_temp+radius_s;
????end????????????????
end
connMatrix?=（distMatrix（r:）<=radius_temp）;
neighborNodes?=?find（connMatrix（:）?==?1）;%距離小于門限的坐標
%?Get?the?unreached?neighbors
neigbborNodes?=?intersect（neighborNodes?find（visited（:）?==?0））;%找到可訪問并且距離近的
%?for?k?=?1:length（neighborNodes）
%?????
%?end;

for?k?=?1:length（neighborNodes）
????if?（visited（neighborNodes（k））?==?0）
????????if（distMatrix（rneighborNodes（k））>do）
???????????Energy（r）=Energy（r）-（?ETX*（4000）?+?Emp*4000*（distMatrix（rneighborNodes（k））.^4））;?
????????end;
????????if（distMatrix（rneighborNodes（k））<=do）
???????????Energy（r）=Energy（r）-（?ETX*（4000）?+?Emp*4000*（distMatrix（rneighborNodes（k））.^2））;?
????????end;
????????Energy（neighborNodes（k））=Energy（neighborNodes（k））-（（ERX?+?EDA）*4000）;
????????
????????TTL=TTL-1;
????????if（neighborNodes（k）==numOfNodes|TTL==0）%當傳給中心點或TTL為零時結束
????????????break;
????????end;
????????
????????visited（neighborNodes（k））?=?1;
????????DFS（neighborNodes（k）TTL）;
????????
????end;
end;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1664??2012-07-07?09:26??DFS.m
?????文件????????2097??2012-07-07?09:32??flooding.m