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Plotting Eigen vectors

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Raviteja on 27 Sep 2011
I have a real symetric matrix A
>> A=[1 7 3;7 4 -5;3 -5 6];
I found its eigen vectors
>> [Evec,Eval]=eig(A);
I want to plot eigen vectors in 3D.
so that I have written like this
vlabs={'X ','Y ','Z '};
% I scaled to 7 look bigger vectors
Is this the write way? Is there any way to plot eigen vectors better?
KSSV on 13 Jan 2012
I think it depends what for are the Eigenvalues. What Eigen value analysis it is?

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