Exercise 2.3.26

Answers

(a) Add two columns $b$ and $b^{∗}$ to get $[\begin{matrix} A & b & b^{∗} \end{matrix}]$ . The example has

[\begin{matrix} 1 & 4 & 1 & 0 \\ 2 & 7 & 0 & 1 \end{matrix}] \to [\begin{matrix} 1 & 4 & 1 & 0 \\ 0 & - 1 & - 2 & 1 \end{matrix}] \to x = [\begin{matrix} - 7 \\ 2 \end{matrix}] and x^{∗} = [\begin{matrix} 4 \\ - 1 \end{matrix}]

mathchakra

2021-11-20 15:23