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低秩LRR,標(biāo)準(zhǔn)低秩算法的matlab算法,希望能夠給你帶來(lái)幫助
代碼片段和文件信息
function?[ZE]?=?alm_lrr_l1(XAlambda)
%?This?routine?solves?the?following?nuclear-norm?optimization?problem
%?min?|Z|_*+lambda*|E|_1
%?s.t.?X?=?AZ+E
%?inputs:
%????????X?--?D*N?data?matrix?D?is?the?data?dimension?and?N?is?the?number
%?????????????of?data?vectors.
%????????A?--?D*M?matrix?of?a?dictionary?M?is?the?size?of?the?dictionary
tol?=?1e-8;
maxIter?=?1e6;
[d?n]?=?size(X);
m?=?size(A2);
rho?=?1.1;
max_mu?=?1e10;
mu?=?1e-6;
atx?=?A‘*X;
inv_a?=?inv(A‘*A+eye(m));
%%?Initializing?optimization?variables
%?intialize
J?=?zeros(mn);
Z?=?zeros(mn);
E?=?sparse(dn);
Y1?=?zeros(dn);
Y2?=?zeros(mn);
%%?Start?main?loop
iter?=?0;
disp([‘initialrank=‘?num2str(rank(Z))]);
while?iter ????iter?=?iter?+?1;
????%update?J
????temp?=?Z?+?Y2/mu;
????[UsigmaV]?=?svd(temp‘econ‘);
???
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????1661??2011-03-04?16:09??lrr\alm_lrr_l1.m
?????文件???????1899??2011-03-04?16:09??lrr\alm_lrr_l21.m
?????文件???????2082??2011-03-04?16:35??lrr\demo.m
?????文件????????761??2011-03-04?15:51??lrr\solve_lrr.m
?????目錄??????????0??2011-03-04?16:35??lrr
-----------?---------??----------?-----??----
?????????????????6403????????????????????5
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