:Shepardֵ

ʽ:
InterpolationShepard2D(x0,y0,f0,x,y,v,n)
InterpolationShepard2D(x0,y0,f0,x,y,v)
InterpolationShepard2D(x0,y0,f0,x,y)

x0:洢ɢx
y0:洢ɢy,˲x0άһ
f0:洢ɢ(x,y)¶Ӧĺֵ,,˲x0y0άһ
x:洢Ҫֵx
y:洢Ҫֵy,˲xάһ
v:ShepardֵʱĿռ,ĬΪ2
n:ѡȡĲֵ,ĬΪ4

˵:
ɹxyͬάĲֵ

ԭ:
ڶݵвֵʱ,ֻѡȡֵnѾݵShepardֵ,֮ûвᵽľֲShepardֵ㷨,ΪһǲôȥһƱ߽R,ôתɱѡȡnвֵΪƽһΪı,nĬֵΪ4.

ο://ʷ.ɢݵֵƽɷо[M].2005:3-5

:

//Сľ{ά<http://emuch.net/bbs/viewthread.php?tid=5999724&fpage=1>}Ϊ,data,λسִиɿ


x=data(,1);//data1
y=data(,2);
z=data(,3);
a=max(x);
b=min(x);
x0=MeshGrid2(b,a,50);//x
a=max(y);
b=min(y);
y0=MeshGrid2(b,a,50);//y
y0=y0';//עҪתһ
z0=InterpolationShepard2D(x,y,z,x0,y0);//ñ
cloud(x0,y0,z0)//Իͼ鿴Ч
