close?all
%?n?is?the?original?signal?length
n?=?2^12;

%?k?is?number?of?observations?to?make
k?=?2^10;

%?number?of?spikes?to?put?down
%?n_spikes?=?floor（.01*n）;
n_spikes?=?160;


%?random?+/-?1?signal
f?=?zeros（n1）;
q?=?randperm（n）;
f（q（1:n_spikes））?=?sign（randn（n_spikes1））;
%f（q（1:n_spikes））?=?randn（n_spikes1）;

%?measurement?matrix
disp（‘Creating?measurement?matrix...‘）;
R?=?randn（kn）;

%?orthonormalize?rows
R?=?orth（R‘）‘;

if?n?==?8192??
???%?in?this?case?we?load?a?precomputed
???%?matrix?to?save?some?time
???load?Rmatrix_2048_8192.mat
end
%
disp（‘Finished?creating?matrix‘）;

hR?=?@（x）?R*x;
hRt?=?@（x）?R‘*x;

%?noisy?observations
sigma?=?0;?
y?=?hR（f）?+?sigma*randn（k1）;

%?regularization?parameter
tau?=?0.005*max（abs（R‘*y））;

first_tau_factor?=?0.8*（max（abs（R‘*y））/tau）;
steps?=?5

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

?????文件???????6148??2007-12-04?11:46??GPSR_5.0\.DS_Store

?????文件??????65126??2007-01-25?13:54??GPSR_5.0\Camera.tif

?????文件???????7046??2007-09-23?20:49??GPSR_5.0\demo_continuation.m

?????文件???????5849??2007-07-13?16:40??GPSR_5.0\demo_image_deblur.m

?????文件???????8489??2007-10-19?16:40??GPSR_5.0\figures_1_2_3.m

?????文件???????5225??2007-09-12?18:21??GPSR_5.0\figure_4.m

?????文件???????5276??2007-12-04?11:46??GPSR_5.0\figure_5.m

?????文件???????2377??2007-07-12?18:41??GPSR_5.0\figure_6.m

?????文件??????21851??2007-12-04?11:26??GPSR_5.0\GPSR_Basic.m

?????文件??????21647??2007-12-04?11:08??GPSR_5.0\GPSR_BB.m

?????文件??????12630??2007-09-06?15:10??GPSR_5.0\IST.m

?????文件???????8569??2007-06-16?15:41??GPSR_5.0\l1_ls.m

?????文件???????3178??2007-12-05?19:06??GPSR_5.0\README.txt

?????目錄??????????0??2015-12-18?18:51??GPSR_5.0

-----------?---------??----------?-----??----

???????????????173411????????????????????14