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.3 Suppose the eigenvalues of a 3x3 matrix A are A, 4, , and A 6 %3D with corresponding eigenvectors v,= V2= and v Let -2 -5


11 Find the solution of the equation x1=Ax, for the specified xo, and describe what hap -13 7. 1. 3. O C. X= (4)k - 2 Describ
Suppose the eigenvalues of a 3x3 matrix A are , = 4, 22 ==, and A 6. with corresponding eige %3D 11 Find the solution of the
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Answer #1

Here, the solution of the equation x_{k+1}=Ax_k is :

x_k=2*(4)^k\begin{bmatrix} 1\\ 0\\ -2 \end{bmatrix}+3*\left ( \frac{5}{6} \right )^k\begin{bmatrix} 4\\ 1\\ -5 \end{bmatrix}+\left ( \frac{1}{6} \right )^k\begin{bmatrix} -3\\ -4\\ 6 \end{bmatrix}

When k\to\infty , then we have,

x_k\approx2*(4)^k\begin{bmatrix} 1\\ 0\\ -2 \end{bmatrix}+3*0*\begin{bmatrix} 4\\ 1\\ -5 \end{bmatrix}+0*\begin{bmatrix} -3\\ -4\\ 6 \end{bmatrix}

i.e., x_k\approx2*(4)^k\begin{bmatrix} 1\\ 0\\ -2 \end{bmatrix}+0+0

i.e., x_k\approx2*(4)^k\begin{bmatrix} 1\\ 0\\ -2 \end{bmatrix}

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