Chapter 6 Eigenvalues and Eigenvectors
1. Markov matrix: Each column of P adds to 1, so λ = 1 is an eigenvalue. 2. P is singular, so λ = 0 is an eigenvalue. 3. P is symmetric, so its eigenvectors (1,1) and (1,−1) are perpendicular. The only eigenvalues of a projection matrix are 0and 1. The eigenvectors for λ = 0(which means Px = 0x)fill up the nullspace.
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