%?l1dantzig_example.m
%
%?Test?out?l1dantzig?code?（l1?minimization?with?bounded?residual?correlation）.
%
%?Written?by:?Justin?Romberg?Caltech
%?Email:?jrom@acm.caltech.edu
%?Created:?October?2005
%

%?put?optimization?code?in?path?if?not?already?there
path（path?‘./Optimization‘）;

%?signal?length
N?=?512;
%?number?of?spikes?to?put?down
T?=?20;
%?number?of?observations?to?make
K?=?120;

%?random?+/-?1?signal
x?=?zeros（N1）;
q?=?randperm（N）;
x（q（1:T））?=?sign（randn（T1））;

%?measurement?matrix
disp（‘Creating?measurment?matrix...‘）;
A?=?randn（KN）;
A?=?orth（A‘）‘;
disp（‘Done.‘）;
	
%?noisy?observations
sigma?=?0.005;
e?=?sigma*randn（K1）;
y?=?A*x?+?e;

%?initial?guess?=?min?energy
x0?=?A‘*y;


%?Dantzig?selection
epsilon?=?3e-3;
tic
xp?=?l1dantzig_pd（x0?A?[]?y?epsilon?5e-2）;
toc

%?large?scale
%Afun?=?@（z）?A*z;
%Atfun?=?@（z）?A‘*z;
%tic
%xp?=?l1dantzig_pd（x0?Afun?Atfun?y?epsilon?5e-2?50?1e-8?500）;
%toc

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????65728??2005-11-04?09:42??l1magic\Data\boats.mat

?????文件??????65728??2005-11-04?07:49??l1magic\Data\camera.mat

?????文件????????543??2005-11-21?14:44??l1magic\Data\RandomStates.mat

?????目錄??????????0??2009-12-10?00:37??l1magic\Data

?????文件????????928??2005-11-02?05:28??l1magic\l1dantzig_example.m

?????文件????????640??2005-11-16?14:48??l1magic\l1decode_example.m

?????文件????????969??2006-04-21?05:33??l1magic\l1eq_example.m

?????文件?????283716??2007-04-06?02:35??l1magic\l1magic_notes.pdf

?????文件???????1107??2005-11-04?05:11??l1magic\l1qc_example.m

?????文件????????718??2005-11-04?09:42??l1magic\Measurements\At_f.m

?????文件????????613??2005-11-10?02:01??l1magic\Measurements\At_fhp.m

?????文件????????659??2005-11-04?09:42??l1magic\Measurements\A_f.m

?????文件????????576??2005-11-10?02:01??l1magic\Measurements\A_fhp.m

?????文件????????832??2005-11-10?02:01??l1magic\Measurements\LineMask.m

?????目錄??????????0??2009-12-10?00:37??l1magic\Measurements

?????文件?????????82??2007-04-06?01:29??l1magic\Optimization\._l1eq_pd.m

?????文件?????????82??2007-04-06?01:30??l1magic\Optimization\._l1qc_logbarrier.m

?????文件?????????82??2007-04-06?01:31??l1magic\Optimization\._tveq_logbarrier.m

?????文件???????1691??2006-05-27?03:14??l1magic\Optimization\cgsolve.m

?????文件???????6017??2006-04-21?05:33??l1magic\Optimization\l1dantzig_pd.m

?????文件???????4844??2006-02-23?02:30??l1magic\Optimization\l1decode_pd.m

?????文件???????5370??2009-11-07?21:56??l1magic\Optimization\l1eq_pd.m

?????文件???????2763??2007-04-06?01:30??l1magic\Optimization\l1qc_logbarrier.m

?????文件???????4179??2005-11-04?05:11??l1magic\Optimization\l1qc_newton.m

?????文件???????2915??2005-11-22?07:31??l1magic\Optimization\tvdantzig_logbarrier.m

?????文件???????5985??2006-02-23?02:30??l1magic\Optimization\tvdantzig_newton.m

?????文件???????2729??2007-04-06?01:31??l1magic\Optimization\tveq_logbarrier.m

?????文件???????5214??2005-11-08?01:23??l1magic\Optimization\tveq_newton.m

?????文件???????2880??2006-04-21?05:33??l1magic\Optimization\tvqc_logbarrier.m

?????文件???????5563??2006-04-21?05:33??l1magic\Optimization\tvqc_newton.m

............此處省略11個文件信息