In 1–6, (a) show that the given matrix A

Chapter 9, Problem 5E

(choose chapter or problem)

In Problems 1–6, (a) show that the given matrix \(A\) satisfies \((A-r l)^{k}=0\)  for some number \(r\) and some positive integer \(\mathrm{k} \text { and }(\mathrm{b})\) use this fact to determine the matrix \(e^{A t}\) [Hint: Compute the characteristic polynomial and use the Cayley–Hamilton theorem.]

 \(A=\left[\begin{array}{rrr}  -2 & 0 & 0 \\  4 & -2 & 0 \\  1 & 0 & -2  \end{array}\right]\)

Equation Transcription:

[ ]                         

Text Transcription:

A

(A-rl)^k=0

r

k and (b)

e^At

A=[     -2       0        0    4     -2        0   1    0    -2    ]      

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