Let A be a symmetric matrix having only one eigenvalue à and C be a matrix that diagonalizes A by a similarity transformation. Find a simplified expression for A in terms of 2, C, and I, the identity matrix.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.4: Orthogonal Diagonalization Of Symmetric Matrices
Problem 16EQ
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Linear Algebra. Please write your answer clearly. Thanks.

Let A be a symmetric matrix having only one eigenvalue 1 and C be a matrix that diagonalizes A by a similarity transformation. Find a simplified expression for A in terms of 2,
C, and I, the identity matrix.
A =
Transcribed Image Text:Let A be a symmetric matrix having only one eigenvalue 1 and C be a matrix that diagonalizes A by a similarity transformation. Find a simplified expression for A in terms of 2, C, and I, the identity matrix. A =
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