Let V R n be an invariant subspace for the n n matrix A. Explain

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Let V ⊂ Rn be an invariant subspace for the n × n matrix A. Explain why every eigenvalue and eigenvector of the linear map obtained by restricting A to V are also eigenvalues and eigenvectors of A itself.

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Applied Linear Algebra

ISBN: 9783319910406

2nd Edition

Authors: Peter J. Olver, Chehrzad Shakiban

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