%--------------------------------------------------------------------------
%?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????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-07-16?14:45??SSC_1.0\
?????文件????????1036??2010-03-02?23:47??SSC_1.0\BuildAdjacency.m
?????文件????????1505??2010-03-02?23:46??SSC_1.0\DataProjection.m
?????文件?????????734??2010-03-02?23:47??SSC_1.0\Misclassification.m
?????文件????????1099??2010-03-02?23:48??SSC_1.0\missclassGroups.m
?????文件????????1322??2010-03-02?23:47??SSC_1.0\OutlierDetection.m
?????文件?????????120??2009-10-07?15:45??SSC_1.0\Readme.tex
?????文件????????3615??2010-07-16?14:40??SSC_1.0\SparseCoefRecovery.m
?????文件????????2037??2010-03-02?23:47??SSC_1.0\SpectralClustering.m
?????文件????????3116??2010-07-16?14:37??SSC_1.0\SSC.m