Plotting Eigen vectors

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Raviteja 2011-9-27

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 '};
biplot(7*EVec(:,1:end),'varlabels',vlabs)

% I scaled to 7 look bigger vectors

Is this the write way? Is there any way to plot eigen vectors better?

Raviteja 2011-9-28

Tell me finally, is my code to draw eigen vectors is correct ?

Any other method ?

KSSV 2012-1-13

I think it depends what for are the Eigenvalues. What Eigen value analysis it is?

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