this code requires more input arguments to run

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Kalyan Seelam 2019-11-15

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https://ww2.mathworks.cn/matlabcentral/answers/491225-this-code-requires-more-input-arguments-to-run

评论： Walter Roberson 2019-11-15

function [m, A, Eigenfaces] = EigenfaceCore(T)
m = mean(T,2); % Computing the average face image m = (1/P)*sum(Tj's)    (j = 1 : P)
Train_Number = size(T,2);
A = [];  
for i = 1 : Train_Number
    temp = double(T(:,i)) - m; % Computing the difference image for each image in the training set Ai = Ti - m
    A = [A temp]; % Merging all centered images
end
L = A'*A; % L is the surrogate of covariance matrix C=A*A'.
[V ,D] = eig(L); % Diagonal elements of D are the eigenvalues for both L=A'*A and C=A*A'.
L_eig_vec = [];
for i = 1 : size(V,2) 
    if( D(i,i)>1 )
        L_eig_vec = [L_eig_vec V(:,i)];
    end
end
Eigenfaces = A * L_eig_vec; % A: centered image vectors

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Walter Roberson 2019-11-15

That code does not have any call to EigenFaceCore; and if it did, there would still be the question of how you invoke this function CreateDatabase ?

Walter Roberson 2019-11-15

I suspect that you are running the code by pressing the green Run button in the editor. When you do that, how are you expecting MATLAB to know what the value of TrainDatabase or T should be?

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