What is an eigenvalue and an eigenvector of a linear operator? Give a careful and precise definition. - Give an example of an injective linear operator which is not invertible. Show that the composition of invertible linear maps is invertible.

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
Problem 18EQ
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What is an eigenvalue and an eigenvector of a linear operator? Give a careful and precise definition.
Give an example of an injective linear operator which is not invertible.
Show that the composition of invertible linear maps is invertible.
Transcribed Image Text:What is an eigenvalue and an eigenvector of a linear operator? Give a careful and precise definition. Give an example of an injective linear operator which is not invertible. Show that the composition of invertible linear maps is invertible.
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