Let T: R³ → R³ be given by T(y (a) Show that T is a linear map by finding the matrix A = [T] that represents it. (b) Find the eigenvalues (c) Check that the trace of A is the sum of these eigenvalues.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.4: The Singular Value Decomposition
Problem 26EQ
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Let T: R³ → R³ be given by
T(y
(a) Show that T is a linear map by finding the matrix A = [T] that represents it.
(b) Find the eigenvalues
(c) Check that the trace of A is the sum of these eigenvalues.
Transcribed Image Text:Let T: R³ → R³ be given by T(y (a) Show that T is a linear map by finding the matrix A = [T] that represents it. (b) Find the eigenvalues (c) Check that the trace of A is the sum of these eigenvalues.
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