%myLMS
clear?;
clear?all;
M=1000;
N=5;
L=11;
d=3;
%u=0.0075;
u=[0.00250.0050.0075];
a=2.9;
fileternum=-1:1:1;
H=0.5*（1+cos（（2*pi/a）*fileternum））;
ee=zeros（1M-d）;
for?kk=1:1:3
??for?nn=1:1:200;
????x=rand（1M）;
????x=x-0.5;
????for?n=1:1:length（x）
????????if?x（n）>=0
????????????x（n）=1;
????????else
????????????x（n）=-1;
????????end
????end
????y=filter（H1x）;
???
???y=y+randn（1M）/10;?
???%plot（y）;

???w=zeros（1L）;
????%w=（rand（1L）-0.5）*2;
????E1=1;
????E2=0;
????P=0;
????d=6;
%while?abs（E2-E1）>1e-5
????E2=E1;
????E1=0;
????for?m=d+1:1:L+1
????????sum=0;
????????for?n=1:1:m-1
????????????sum=sum+y（m-n）*w（n）;
????????end
????????e=x（m-d）-sum;
????????for?n=1:1:m-1
????????????w（n）=w（n）+2*u（kk）*e*y（m-n）;
????????end
????????E1=E1+e*e;
????????ee（m-d）=ee（m-d）+e.^2;
????end
????for?m=L+2:1:M
????????sum=0;
????????for?n=m-1:-1:m-L
????????????sum=sum+y（n）*w（m-n）;
????????end
????????e=x（m-d）-sum;
????????for?n=m-1:-1:m-L
????????????w（m-n）=w（m-n）+2*u（kk）*