andrews_weight.m

基于M估计的迭代最小二乘算法

function [weight] = Andrews_weight(z)
%Andrews_weight Calculate weight value based on Andrews' wave fucntion
%where a =1.339.
a=1.339;
if(z>=-a*pi&&z<=a*pi)
    weight=sin(z/a)*a/z;
else 
    weight=0;
end