wehub-resource-sync
14 lines
305 B
Matlab
Executable File
14 lines
305 B
Matlab
Executable File
function K = knLin(X, Y)
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% Linear kernel (inner product)
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% Input:
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% X: d x nx data matrix
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% Y: d x ny data matrix
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% Ouput:
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% K: nx x ny kernel matrix
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% Written by Mo Chen (sth4nth@gmail.com).
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if nargin < 2 || isempty(Y)
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K = dot(X,X,1); % norm in kernel space
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else
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K = X'*Y;
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end
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