:Ȩغжάݲֵ(Weight Function)

ʽ:  
InterpolationWF(x0,f0,x,n,a,k,t) 
InterpolationWF(x0,f0,x,n,a,k)
InterpolationWF(x0,f0,x,n,a)  
InterpolationWF(x0,f0,x,n)  
InterpolationWF(x0,f0,x)  

x0:Ϊmnľ,ÿһжӦӦ,mʾܹɼݵ  
f0:Ϊm1ľ,ÿһжӦx0ֵ,ʾڴx0㴦ӦӦֵ  
x:Ҫֵĵ,Ϊnеľ,ÿһжӦx0һ 
n:ѡȡֵ֪,ĬΪ4 
a:˥ϵ,һĬΪ1tѡ3ʱ,ֵֻܽ(0,1)֮
k:x0б(ÿһ)Բֵf0ȨӰϵ,ĬӰһԲֵӰдС,Ϳͨ˲,x0n(n),˲Ϊ1*nľ,ÿһԪضӦx0бȨ(Ȩֵ0,עⲻһС1)
t:Ȩϵ,ɲο˵.ֵĬΪ1 



˵: 
 
1ɹxͬľ,xֵ 
2tѡȡʱӦ 

t=1, f(r)=exp(-a*r)/R 
t=2, f(r)=(1-r)^a     
t=3, r<a,f(r)= 1+(0.1-1)*r/a ;; ra,f(r)=0.1*(1-r)/(1-a)  //עѡʱ,aֵ(0,1)֮
t=4, f(r)=4/(3-exp(1-r^a))
t=5, f(r)=sin((1-r)^a)
t=6, f(r)=sin(1-r)^a

ע:ֵıֵڸֵֵ֪֮䡣

ο:{ɢݲֵԤ<http://blog.163.com/shikang999@126/blog/static/17262489620150193586584/>}

:

//Сľ{ά<http://emuch.net/bbs/viewthread.php?tid=5999724&fpage=1>}Ϊ,data,(611,48)(532,87)Ӧzֵ 

x=data(,1); 
y=data(,2); 
z=data(,3); 
x0=[x,y];//עｫŵһ,ÿһжӦһ 
x1=[611,48 
    532,87]; 
z1=InterpolationWF(x0,z,x1)//ִ,Ȼسõ½ 
z1 =
[ 27.0703948490286
  24.8641510875610 ]