[線代] eigenvector
Every n*n matrix has n eigenvalues and n eigenvectors
False
========
(d) Each eigenvector of A is also an eigenvector of A^2
True
(e) Each eienvector of an invertible matrix A is also an eigenvector of A^(-1)
True
(f) If v is an eigenvector of an invertible matrix A,
then cv is an eigenvector of A^(-1) for all nonzero scalars c
True
請問這些是為什麼?
謝謝
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