(3 An Inan)-matrix A over a field K that is diagonelizable over K is also trigonalizable over K. O True. If K is alge braically closed, then diegonolizakle and trigonalizable and the same. O True. Diagonel metrices are special kinds of toriengular ma- trices, so if A is similar to a dingonel metrik, ib is in Par ticular similar to a triangular matrix. O False. For example, one can check that the real 22) -matrex Matrices are one A= Lů oJ has eigeayelues Id, so A is similar to Eihe dia- gonel matrix Londo However, A has nonzero ea tries both alowe and below the main diagoad, so it is kit trigonalizable. @) False. This is not true in general, but it is true for example if k is algebraically claved Cin which caie every squlve over k is trigonelizeble). metrix
(3 An Inan)-matrix A over a field K that is diagonelizable over K is also trigonalizable over K. O True. If K is alge braically closed, then diegonolizakle and trigonalizable and the same. O True. Diagonel metrices are special kinds of toriengular ma- trices, so if A is similar to a dingonel metrik, ib is in Par ticular similar to a triangular matrix. O False. For example, one can check that the real 22) -matrex Matrices are one A= Lů oJ has eigeayelues Id, so A is similar to Eihe dia- gonel matrix Londo However, A has nonzero ea tries both alowe and below the main diagoad, so it is kit trigonalizable. @) False. This is not true in general, but it is true for example if k is algebraically claved Cin which caie every squlve over k is trigonelizeble). metrix
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.3: Eigenvalues And Eigenvectors Of N X N Matrices
Problem 32EQ
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