wehub-resource-sync
10 lines
271 B
Matlab
Executable File
10 lines
271 B
Matlab
Executable File
function D = kn2sd(K)
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% Transform a kernel matrix (or inner product matrix) to a squared distance matrix
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% Input:
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% K: n x n kernel matrix
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% Ouput:
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% D: n x n squared distance matrix
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% Written by Mo Chen (sth4nth@gmail.com).
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d = diag(K);
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D = -2*K+bsxfun(@plus,d,d');
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