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Linear Algebra and the C Language/a0d1
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Eigenvalues and eigenvectors:
In linear algebra, an eigenvector is a vector that has its direction unchanged (or reversed) by a given linear transformation ... Wikipedia: Eigenvalues and eigenvectors
Theory
Eigenvalues for programmers.
Eigenvectors for programmers.
The function
Compute the eigenvectors: eigs_V_mR();
Random values ... ... ... ... .. Octave
Choose your values ... ... ... Octave
Compute the eigenvalues: eigs_mR();
Random values ... ... ... ... .. Octave
Choose your values ... ... ... Octave
Some properties
EValue = EVectorT A EVector
c00a.c ... ... ... ... ... ... ... .... Octave
A = EVector EValue EVectorT
c00b.c ... ... ... ... ... ... ... .... Octave
invA = EVector invEValue EVectorT
c00c.c ... ... ... ... ... ... ... .... Octave
Code study
Compute the eigenvectors
eigs_V_mR(); (all the eigenvectors)
GJ_PP_FreeV_mR(); (an eigenvector)
Compute the eigenvalues
eigs_mR();