%--------------------------------------------------------------------------
%?This?function?takes?a?NxN?coefficient?matrix?and?returns?a?NxN?adjacency
%?matrix?by?choosing?only?the?K?strongest?connections?in?the?similarity
%?graph
%?CMat:?NxN?coefficient?matrix
%?K:?number?of?strongest?edges?to?keep;?if?K=0?use?all?the?coefficients
%?CKSym:?NxN?symmetric?adjacency?matrix
%--------------------------------------------------------------------------
%?Copyright?@?Ehsan?Elhamifar?2010
%--------------------------------------------------------------------------


function?CKSym?=?BuildAdjacency（CMatK）

N?=?size（CMat1）;
CAbs?=?abs（CMat）;
for?i?=?1:N
????c?=?CAbs（:i）;
????[PSrtPInd]?=?sort（c‘descend‘）;
????CAbs（:i）?=?CAbs（:i）?./?abs（?c（PInd（1））?）;
end

CSym?=?CAbs?+?CAbs‘;

if?（K?~=?0）
????

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2015-09-18?17:43??sparse?subspace?clustering\
?????文件?????2161767??2015-09-18?10:51??sparse?subspace?clustering\5Sparse?Subspace?Clustering.pdf
?????目錄???????????0??2015-09-18?17:43??sparse?subspace?clustering\SSC_1.0\
?????文件????????1036??2010-03-02?23:47??sparse?subspace?clustering\SSC_1.0\BuildAdjacency.m
?????文件????????1505??2010-03-02?23:46??sparse?subspace?clustering\SSC_1.0\DataProjection.m
?????文件?????????734??2010-03-02?23:47??sparse?subspace?clustering\SSC_1.0\Misclassification.m
?????文件????????1322??2010-03-02?23:47??sparse?subspace?clustering\SSC_1.0\OutlierDetection.m
?????文件?????????120??2009-10-07?15:45??sparse?subspace?clustering\SSC_1.0\Readme.tex
?????文件????????3116??2010-07-16?14:37??sparse?subspace?clustering\SSC_1.0\SSC.m
?????文件????????3615??2010-07-16?14:40??sparse?subspace?clustering\SSC_1.0\SparseCoefRecovery.m
?????文件????????2037??2010-03-02?23:47??sparse?subspace?clustering\SSC_1.0\SpectralClustering.m
?????文件????????1099??2010-03-02?23:48??sparse?subspace?clustering\SSC_1.0\missclassGroups.m
?????目錄???????????0??2015-09-18?17:43??sparse?subspace?clustering\SSC_ADMM_v1.1\
?????目錄???????????0??2015-09-18?17:43??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\
?????文件????????6148??2012-10-03?01:46??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\.DS_Store
?????文件?????????969??2012-10-02?01:49??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\BuildAdjacency.m
?????文件?????????733??2012-10-04?23:58??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\DataProjection.m
?????文件?????????747??2012-10-02?01:43??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\Misclassification.m
?????文件????????1189??2012-10-04?23:59??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\SSC.m
?????文件????????1218??2012-10-02?01:40??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\SpectralClustering.m
?????文件?????8018017??2012-06-29?16:19??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\YaleBCrop025.mat
?????文件????????3427??2012-10-05?00:01??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\admmLasso_mat_func.m
?????文件????????3980??2012-10-05?00:03??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\admmOutlier_mat_func.m
?????文件?????????678??2012-10-02?01:43??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\computeLambda_mat.m
?????文件?????????548??2012-10-02?01:43??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\errorCoef.m
?????文件?????????825??2012-10-02?01:43??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\errorLinSys.m
?????文件?????????580??2012-10-03?12:30??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\matrixNormalize.m
?????文件????????1099??2012-10-02?01:41??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\missclassGroups.m
?????文件???????17712??2012-10-05?00:26??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\readme.pdf
?????文件????????1558??2012-10-05?00:25??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\readme.rtf
?????文件????????1362??2012-10-05?00:08??sparse?subspace?clustering\SSC_ADMM_v1.1\SSC_ADMM_v1.1\run_SSC_Faces.m
............此處省略22個(gè)文件信息