wehub-resource-sync
19 lines
440 B
Matlab
Executable File
19 lines
440 B
Matlab
Executable File
function Y = knPcaPred(model, Xt, opt)
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% Prediction for kernel PCA
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% Input:
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% model: trained model structure
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% X: d x n testing data
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% t (optional): 1 x n testing response
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% Output:
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% Y: prejection result of Xt
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% Written by Mo Chen (sth4nth@gmail.com).
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kn = model.kn;
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V = model.V;
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L = model.L;
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X = model.X;
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Y = bsxfun(@times,V'*knCenter(kn,X,X,Xt),1./sqrt(L));
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if nargin == 3 && opt.whiten
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Y = bsxfun(@times,Y,1./sqrt(L));
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end
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