Exercise 2.3.1

Answers

E_{21} = [\begin{matrix} 1 & 0 & 0 \\ - 5 & 1 & 0 \\ 0 & 0 & 1 \end{matrix}], E_{32} = [\begin{matrix} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 7 & 1 \end{matrix}], P = [\begin{matrix} 1 & 0 & 0 \\ 0 & 0 & 1 \\ 0 & 1 & 0 \end{matrix}] [\begin{matrix} 0 & 1 & 0 \\ 1 & 0 & 0 \\ 0 & 0 & 1 \end{matrix}] = [\begin{matrix} 0 & 1 & 0 \\ 0 & 0 & 1 \\ 1 & 0 & 0 \end{matrix}]

mathchakra

2021-11-20 15:11