(Created page with "AC-2 2014 P1. (a)i) <math>\begin{bmatrix}x_1(t)\\x_2(t)\end{bmatrix}=\begin{bmatrix}-1 &-\frac{1}{2}\\frac{1}{2} & -1\end{bmatrix}\begin{bmatrix}x_1(t) \\ x_2(t)\end{b...") |
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P1. | P1. | ||
(a)i) | (a)i) | ||
− | <math>\begin{bmatrix}x_1(t)\\x_2(t)\end{bmatrix}=\begin{bmatrix}-1 &-\frac{1}{2}\\frac{1}{2} & -1\end{bmatrix}\begin{bmatrix}x_1(t) \\ x_2(t)\end{bmatrix}+\begin{bmatrix}frac{x_0(t)}{2}\\frac{x_3(t)}{2}\end{bmatrix}=\begin{bmatrix}-1 &-\frac{1}{2}\\frac{1}{2} & -1\end{bmatrix}\begin{bmatrix}x_1(t) \\ x_2(t)\end{bmatrix}+begin{bmatrix}frac{1}{2}&0 \\ 0& frac{1}{2}\end{bmatrix}\begin{bmatrix}x_0(t) \\ x_3(t)\end{bmatrix}</math> | + | <math>\begin{bmatrix} |
+ | x_1(t)\\ | ||
+ | x_2(t) | ||
+ | \end{bmatrix}=\begin{bmatrix} | ||
+ | -1 &-\frac{1}{2}\\ | ||
+ | frac{1}{2} & -1 | ||
+ | \end{bmatrix}\begin{bmatrix} | ||
+ | x_1(t) \\ | ||
+ | x_2(t) | ||
+ | \end{bmatrix}+\begin{bmatrix} | ||
+ | frac{x_0(t)}{2}\\ | ||
+ | frac{x_3(t)}{2} | ||
+ | \end{bmatrix}=\begin{bmatrix} | ||
+ | -1 &-\frac{1}{2}\\ | ||
+ | frac{1}{2} & -1 | ||
+ | \end{bmatrix}\begin{bmatrix} | ||
+ | x_1(t) \\ | ||
+ | x_2(t) | ||
+ | \end{bmatrix}+begin{bmatrix} | ||
+ | frac{1}{2}&0 \\ | ||
+ | 0& frac{1}{2} | ||
+ | \end{bmatrix}\begin{bmatrix} | ||
+ | x_0(t) \\ | ||
+ | x_3(t) | ||
+ | \end{bmatrix}</math> | ||
ii) | ii) |
Revision as of 01:25, 21 May 2017
AC-2 2014
P1. (a)i) $ \begin{bmatrix} x_1(t)\\ x_2(t) \end{bmatrix}=\begin{bmatrix} -1 &-\frac{1}{2}\\ frac{1}{2} & -1 \end{bmatrix}\begin{bmatrix} x_1(t) \\ x_2(t) \end{bmatrix}+\begin{bmatrix} frac{x_0(t)}{2}\\ frac{x_3(t)}{2} \end{bmatrix}=\begin{bmatrix} -1 &-\frac{1}{2}\\ frac{1}{2} & -1 \end{bmatrix}\begin{bmatrix} x_1(t) \\ x_2(t) \end{bmatrix}+begin{bmatrix} frac{1}{2}&0 \\ 0& frac{1}{2} \end{bmatrix}\begin{bmatrix} x_0(t) \\ x_3(t) \end{bmatrix} $
ii)