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I'm trying to use LDA for fault diagnosis but I'm get problems to runs it

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Rui Mauaie
Rui Mauaie 2018-11-22
code
load d11_te.dat
d11 = zscore(d11); size 480*50
d11_te = zscore(d11_te) size 960*50
num1=size(d11,1);
num2=size(d11_te,1);
l=num1+num2;
X=[d11; d11_te];
Y=[ones(n1,1);2*ones(n2,1)];
% Y=Y';
%%%%%%%%%%%%%%%%%%%%%% Computing LFDA solution
[T,Z]=LFDA(X,Y,1);
function
for c=unique(Y')
Xc=X(:,Y==c);
nc=size(Xc,2);
error
Index exceeds matrix dimensions.
Error in LFDA (line 48)
Xc=X(:,Y==c);
Error in demo_LFDA (line 20)
[T,Z]=LFDA(X,Y,1);

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