m 2. A square matrix A is called idempotent if A² = A. Show that if X is an of an idempotent matrix. then A= 0 or λ = 1.
m 2. A square matrix A is called idempotent if A² = A. Show that if X is an of an idempotent matrix. then A= 0 or λ = 1.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.7: Applications
Problem 75EQ
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