function?s_est?=BP（Ay）
%?References
%???S.S.?Chen?D.L.?Donoho?and?M.A.?Saunders?“Atomic?Decomposition?by?Basis?Pursuit.pdf“?SIAMReview2001.
%????????min||s||_1?s.t.?y=A*s?
%INPUT:
%?A:????????????????????the?sensing?matrix
%?y:????????????????????the?measurement?vector
%OUTPUT:
%?s_est:????????????????the?estimation

[n?N]=size（A）;

f=ones（2*N1）;
Aeq=[A-A];
beq=y;
lb=zeros（2*N1）;
s=linprog（f[][]Aeqbeqlb）;
s_est=s（1:N）-s（N+1:2*N）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-05-30?13:37??BP\
?????文件?????????464??2014-05-26?15:13??BP\BP.m
?????文件?????????555??2014-05-26?16:48??BP\test_bp.asv
?????文件?????????565??2014-05-28?10:40??BP\test_bp.m
?????文件???????53881??2014-05-28?10:42??BP\untitled.jpg