Problem 1. 92x² + ... (a) (b) If A is diagonalizable, that is A = ODO¹. Assume a polynomial f(x) = ao + a₁x + +ax". Then (ƒ(2₂) Prove that f(A) = Q 0 0 0 0 0 f(2₂) 0 ... 0 f( 2 Q¹, where A eigenvalues of A. If f(A) = B, where A and B are both n x n diagonalizable matrices and have identical eigenvectors, then prove that f(ai) = Abi, in which ai and Abi are the eigenvalues of A and B. -7 6 Apply (b) to find the solutions of A that satisfies A² -3A+1= -12 11

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
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Problem 1.
a₂x² + +anx". Then
(a)
(b)
If A is diagonalizable, that is A = QDQ¹. Assume a polynomial f(x) = a₁ + a₁x +
(c)
Prove that f(A) = Q
(f(2₂) 0 0
f(2₂)
0
0
0
8
ƒ(2₂))
Q¹, where : eigenvalues of A.
If f(A) = B, where A and B are both n x n diagonalizable matrices and have identical
eigenvectors, then pro that f(ai) = λbi, in which ai and Abi are the eigenvalues of A and B.
-7
6
Apply (b) to find the solutions of A that satisfies A² -3A+I = 9.
-12
11
Transcribed Image Text:Problem 1. a₂x² + +anx". Then (a) (b) If A is diagonalizable, that is A = QDQ¹. Assume a polynomial f(x) = a₁ + a₁x + (c) Prove that f(A) = Q (f(2₂) 0 0 f(2₂) 0 0 0 8 ƒ(2₂)) Q¹, where : eigenvalues of A. If f(A) = B, where A and B are both n x n diagonalizable matrices and have identical eigenvectors, then pro that f(ai) = λbi, in which ai and Abi are the eigenvalues of A and B. -7 6 Apply (b) to find the solutions of A that satisfies A² -3A+I = 9. -12 11
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