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Math Help - Spectral Radius

  1. #1
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    Spectral Radius

    Find matrices A and B such that P(A + B) > P(A) + P(B) where P = spectral radius = max absolute value of eigenvalue
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Choose:

    A=\begin{bmatrix}{0}&{0}\\{1}&{0}\end{bmatrix}\;,\  quad B=\begin{bmatrix}{0}&{1}\\{0}&{0}\end{bmatrix}



    Fernando Revilla
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