资源简介
SSC_1.0.rar
代码片段和文件信息
%--------------------------------------------------------------------------
% 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)
[SrtInd] = sort( CSym1‘descend‘ );
CK = zeros(NN);
for i = 1:N
for j = 1:K
CK( Ind(ji)i ) = CSym( Ind(ji)i ) ./ CSym( Ind(1i)i );
end
end
CKSym = CK + CK‘;
else
CKSym = CSym;
end
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
....... 1036 2010-03-02 23:47 SSC_1.0\BuildAdjacency.m
....... 1505 2010-03-02 23:46 SSC_1.0\DataProjection.m
....... 734 2010-03-02 23:47 SSC_1.0\Misclassification.m
....... 1099 2010-03-02 23:48 SSC_1.0\missclassGroups.m
....... 1322 2010-03-02 23:47 SSC_1.0\OutlierDetection.m
....... 120 2009-10-07 15:45 SSC_1.0\Readme.tex
....... 3615 2010-07-16 14:40 SSC_1.0\SparseCoefRecovery.m
....... 2037 2010-03-02 23:47 SSC_1.0\SpectralClustering.m
....... 3116 2010-07-16 14:37 SSC_1.0\SSC.m
目录 0 2010-07-16 14:45 SSC_1.0
----------- --------- ---------- ----- ----
14584 10
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