%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?A*?ALGORITHM?Demo
%?Interactive?A*?search?demo
%?04-26-2005
%???Copyright?2009-2010?The?MathWorks?Inc.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%DEFINE?THE?2-D?MAP?ARRAY
MAX_X=10;
MAX_Y=10;
MAX_VAL=10;
%This?array?stores?the?coordinates?of?the?map?and?the?
%objects?in?each?coordinate
MAP=2*（ones（MAX_XMAX_Y））;

%?Obtain?Obstacle?Target?and?Robot?Position
%?Initialize?the?MAP?with?input?values
%?Obstacle=-1Target?=?0Robot=1Space=2
j=0;
x_val?=?1;
y_val?=?1;
axis（[1?MAX_X+1?1?MAX_Y+1]）
grid?on;
hold?on;
n=0;%Number?of?Obstacles

%?BEGIN?Interactive?Obstacle?Target?Start?Location?selection
pause（1）;
h=msgbox（‘Please?Select?the?Target?using?the?Left?Mouse?button‘）;
uiwait（h5）;
if?ishandl

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-18?15:58??Astar\
?????文件???????80240??2005-05-09?09:52??Astar\Astar_tutorial.pdf
?????文件????????7397??2010-07-03?09:46??Astar\A_Star1.asv
?????文件????????7396??2010-07-02?20:36??Astar\A_Star1.m
?????文件?????????201??2010-01-05?14:23??Astar\distance.m
?????文件????????1824??2010-01-05?14:23??Astar\expand_array.m
?????文件?????????596??2010-01-05?14:24??Astar\insert_open.m
?????文件????????1060??2010-01-05?14:24??Astar\min_fn.m
?????文件?????????297??2010-01-05?14:24??Astar\node_index.m
?????文件????????1071??2010-01-02?09:50??Astar\ReadMe.txt
?????文件???????44385??2010-01-02?09:56??Astar\screenShot.jpg