Top "Eigenvector" questions

The eigenvectors of a square matrix are the non-zero vectors that, after being multiplied by the matrix, remain parallel to the original vector.

Does Matlab eig always returns sorted values?

I use a function at Matlab: [V,D] = eig(C); I see that V and D are always sorted ascending …

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Python eigenvectors

eigenvalues, eigenvectors = linalg.eig(K) How can I print just eigenvectors of len(K). So if there is K, 2x2 …

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Eigenvalues in octave with eig()

Consider the real, symmetric matrix S = (2, 1; 1, 2) From the characteristic equation |S - λ I|, we have the quadratic (2-λ)^2 - 1 = 0, whose …

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Eigenvalues in MATLAB

In MATLAB, when I run the command [V,D] = eig(a) for a symmetric matrix, the largest eigenvalue (and its …

matlab linear-algebra eigenvector eigenvalue
OpenCV/JavaCV face recognition - Very similar confidence values

I will explain what I am trying to do, as it seems to be relevant in order to understand my …

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Power Method in MATLAB

I would like to implement the Power Method for determining the dominant eigenvalue and eigenvector of a matrix in MATLAB. …

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Mapping array back to an existing Eigen matrix

I want to map an array of double to an existing MatrixXd structure. So far I've managed to map the …

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How do I find out eigenvectors corresponding to a particular eigenvalue of a matrix?

How do I find out eigenvectors corresponding to a particular eigenvalue? I have a stochastic matrix(P), one of the …

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Eigenvector computation using OpenCV

I have this matrix A, representing similarities of pixel intensities of an image. For example: Consider a 10 x 10 image. Matrix …

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eigenvectors created by numpy.linalg.eig don't seem correct

I create an arbitrary 2x2 matrix: In [87]: mymat = np.matrix([[2,4],[5,3]]) In [88]: mymat Out[88]: matrix([[2, 4], [5, 3]]) I attempt to calculate eigenvectors using …

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