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

%DEFINE?THE?2-D?MAP?ARRAY
MAX_X=27;
MAX_Y=27;
%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]）
set（gca‘xtick‘1:1:28）
set（gca‘ytick‘1:1:28）
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

?屬性????????????大小?????日期????時間???名稱
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?????文件???????7433??2016-04-17?14:42??allpointselected\A_Star1.m

?????文件????????201??2016-04-15?23:31??allpointselected\distance.m

?????文件???????1824??2014-02-12?13:02??allpointselected\expand_array.m

?????文件????????596??2014-02-12?13:02??allpointselected\insert_open.m

?????文件???????1047??2016-04-16?17:57??allpointselected\min_fn.m

?????文件????????297??2014-02-12?13:02??allpointselected\node_index.m

?????目錄??????????0??2016-04-17?14:41??allpointselected

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????????????????11398????????????????????7