Let A=[-2 2 2; 2 1 4; 2 4 1] and v1=[2 1 -2] a. show that v1 is an eigenvector of A. What is the eigenvalue? b. Find a basis for the λ-eigenspace, where λ is the eigenvalue of v1. What is the algebraic multiplicity of λ? c. Use the trace and /or determinant properties of eigenvalues, trace(A) = λ1+λ2+....+λn, det A=λ1λ2..,...λn to determine the remaining eigenvalues(s) of A.
Let A=[-2 2 2; 2 1 4; 2 4 1] and v1=[2 1 -2] a. show that v1 is an eigenvector of A. What is the eigenvalue? b. Find a basis for the λ-eigenspace, where λ is the eigenvalue of v1. What is the algebraic multiplicity of λ? c. Use the trace and /or determinant properties of eigenvalues, trace(A) = λ1+λ2+....+λn, det A=λ1λ2..,...λn to determine the remaining eigenvalues(s) of A.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.1: Introduction To Eigenvalues And Eigenvectors
Problem 36EQ: Consider again the matrix A in Exercise 35. Give conditions on a, b, c, and d such that A has two...
Related questions
Question
Let A=[-2 2 2; 2 1 4; 2 4 1] and v1=[2 1 -2]
a. show that v1 is an eigenvector of A. What is the eigenvalue?
b. Find a basis for the λ-eigenspace, where λ is the eigenvalue of v1. What is the algebraic multiplicity of λ?
c. Use the trace and /or determinant properties of eigenvalues,
trace(A) = λ1+λ2+....+λn, det A=λ1λ2..,...λn
to determine the remaining eigenvalues(s) of A.
d. Find an orthogonal matrix P and a diagonal matrix D diagonalising A
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.Recommended textbooks for you
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning