function?demo_fast_sc（opt_choice）
%?opt_choice?=?1:?use?epslion-L1?penalty
%?opt_choice?=?2:?use?L1?penalty

if?~exist（‘opt_choice‘?‘var‘）
????opt_choice?=?1;?
end

%?natural?image?data
load?../data/IMAGES.mat
X?=?getdata_imagearray（IMAGES?14?10000）;

%?sparse?coding?parameters
num_bases?=?128;
beta?=?0.4;
batch_size?=?1000;
num_iters?=?100;
if?opt_choice==1
????sparsity_func=?‘L1‘;
????epsilon?=?[];
elseif?opt_choice==2
????sparsity_func=?‘epsL1‘;
????epsilon?=?0.01;
end

Binit?=?[];
fname_save?=?sprintf（‘../results/sc_%s_b%d_beta%g_%s‘?sparsity_func?num_bases?beta?datestr（now?30））;	

%?run?fast?sparse?coding
[B?S?stat]?=?sparse_coding（X?num_bases?beta?sparsity_func?epsilon?num_iters?batch_size?fname_save?Binit）;

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

?????文件????????740??2016-05-31?10:10??code\code\demo_fast_sc.m

?????文件????????866??2007-06-26?17:11??code\code\display_figures.m

?????文件????????920??2007-06-26?15:39??code\code\display_network_nonsquare2.m

?????文件????????991??2007-06-26?15:20??code\code\getdata_imagearray.m

?????文件???????7079??2007-06-26?17:11??code\code\l1ls_featuresign.m

?????文件???????2282??2007-06-26?17:11??code\code\l2ls_learn_basis_dual.m

?????文件????????661??2007-06-26?15:39??code\code\save_figures.m

?????文件???????3750??2007-06-22?16:36??code\code\sc2\cgf_fitS_sc2.m

?????文件???????9897??2007-06-22?16:36??code\code\sc2\cgf_sc.c

?????文件??????28672??2007-06-22?16:36??code\code\sc2\cgf_sc2.dll

?????文件??????26507??2007-06-22?16:36??code\code\sc2\cgf_sc2.mexa64

?????文件??????20889??2007-06-22?16:36??code\code\sc2\cgf_sc2.mexglx

?????文件???????1208??2007-06-22?16:36??code\code\sc2\getobjective2.m

?????文件????????134??2007-06-26?15:50??code\code\sc2\makefile.linux

?????文件????????176??2007-06-26?15:51??code\code\sc2\makefile.win32

?????文件???????1462??2007-06-22?16:36??code\code\sc2\nrf\brent.c

?????文件???????1137??2007-06-22?16:36??code\code\sc2\nrf\frprmn.c

?????文件????????163??2007-06-22?16:36??code\code\sc2\nrf\getreent.c

?????文件????????383??2007-06-22?16:36??code\code\sc2\nrf\impure.c

?????文件????????415??2007-06-22?16:36??code\code\sc2\nrf\linmin.c

?????文件????????227??2007-06-22?16:36??code\code\sc2\nrf\makefile.linux

?????文件????????217??2007-06-22?16:36??code\code\sc2\nrf\makefile.win32

?????文件???????1277??2007-06-22?16:36??code\code\sc2\nrf\mnbrak.c

?????文件???????8587??2007-06-22?16:36??code\code\sc2\nrf\nrutil.c

?????文件???????3330??2007-06-22?16:36??code\code\sc2\nrf\nrutil.h

?????文件????????321??2007-06-22?16:36??code\code\sc2\nrf\README

?????文件???????7263??2007-06-26?17:11??code\code\sparse_coding.m

?????文件???20971720??2018-04-04?09:53??code\data\IMAGES.mat

?????文件????????620??2016-05-31?10:11??code\README

?????目錄??????????0??2018-04-04?09:17??code\code\sc2\nrf

............此處省略8個文件信息