function?v?=?gn（point）
%GN????計算該點到起點的距離

global?G?parent
%?取出父節(jié)點
pr?=?parent{point（1）point（2）point（3）};?%
??????????
ed?=?norm（pr-point）;???%?歐式距離
v?=?G（pr（1）pr（2）pr（3））?+?ed;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????212??2014-04-22?18:42??3d_of_A_star\gn.m

?????文件????????143??2014-04-14?17:09??3d_of_A_star\hn.m

?????文件????????321??2014-04-23?12:28??3d_of_A_star\minInOpen.m

?????文件????????434??2014-04-24?08:55??3d_of_A_star\sMain.m

?????文件???????2921??2014-04-23?12:57??3d_of_A_star\starA.m

?????目錄??????????0??2014-06-04?11:41??3d_of_A_star

-----------?---------??----------?-----??----

?????????????????4499????????????????????8